| ||||||
|
Grand Canyon National Park
Grand Canyon NP, Arizona
|
|
|||||
| Cheryl Beyer (2012-05-30) | ||||||
| 1330 PLANTS |
|
Abies concolor Balsam fir, White fir, White silver fir
native
Tree 
2016 Richard Spjut
Geoff Burleigh
2021 David popp
|
|
Abronia nana Dwarf sand verbena
native
Perennial herb 
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Abutilon parvulum Dwarf indian mallow, Little abutilon
• rare native
Perennial herb  2005 James M. Andre
 2005 James M. Andre
|
|
Acacia greggii Catclaw, devil's claw
native
Shrub 
2021 Ron Vanderhoff
2020 Susan McDougall
2019 David Greenberger
|
|
Acacia greggii var. greggii Catclaw, devil's claw
native
Shrub
2021 Ron Vanderhoff
2020 Susan McDougall
2019 David Greenberger
|
|
Acamptopappus sphaerocephalus Rayless goldenhead
native
Shrub 
2003 Aaron Schusteff
2019 Ron Vanderhoff
2021 Mike Russler
|
|
Acer glabrum var. diffusum Mountain maple, Rocky mountain maple
native
Tree, Shrub 
2007 Steve Matson
2007 Steve Matson
2007 Steve Matson
|
|
Acer glabrum var. neomexicanum Mountain Maple
native
Tree, Shrub 
2013 Steve Matson
2013 Steve Matson
2018 Matt Berger
|
|
Acer negundo var. californicum Boxelder
native
Tree 
2019 Robert Sweet
2016 John H Malpas
2019 Ron Vanderhoff
|
|
Acer saccharinum Silver maple
non-native
Tree 
2016 Dave Brandt
2010 Louis-M. Landry
2016 Dave Brandt
|
|
Achillea millefolium var. occidentalis Common yarrow
native
Perennial herb 
2022 Andy Ford
2020 Bob Sweatt
2018 Gary McDonald
|
|
Achnatherum aridum Mormon needle grass
• rare native
Perennial grass 
2020 Matt Berger
2016 Dana York
2023 Dana York
|
|
Achnatherum hymenoides Indian rice grass, Sand grass
native
Perennial grass 
2023 Steve Matson
2022 Steve Matson
2022 Ryan O'Dell
|
|
Achnatherum lettermanii Letterman's needle grass
native
Perennial grass  2005 Steve Matson
 2004 Steve Matson
 2004 Steve Matson
|
|
Achnatherum nelsonii Mountain needle grass
native
Perennial grass 
2022 John Rawlings
2022 John Rawlings
2005 Steve Matson
|
|
Achnatherum nelsonii ssp. dorei Mountain needle grass
native
Perennial grass
2022 John Rawlings
2012 Belinda Lo
2012 Belinda Lo
|
|
Achnatherum nelsonii ssp. nelsonii Mountain needle grass
native
Perennial grass
2022 John Rawlings
2012 Belinda Lo
2012 Belinda Lo
|
|
Achnatherum parishii var. depauperatum Parish's needlegrass
native
Perennial grass 
2019 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Achnatherum speciosum Desert needle grass
native
Perennial grass 
2011 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Aconitum columbianum Columbian monkshood, Monkshood
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Acroptilon repens Russian knapweed
non-native
Perennial herb 
2017 Barbara Boethling
2014 Steve Matson
2017 Barbara Boethling
|
|
Adenophyllum porophylloides San Felipe dogweed, San Felipe dyssodia
native
Perennial herb 
2020 David Greenberger
2019 Matt Berger
2019 Matt Berger
|
|
Adiantum capillus-veneris Venus hair
native
Fern 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Aegilops cylindrica Jointed goat grass, Jointed goatgrass
• invasive non-native
Annual grass 
2021 Aleksandra Evert
2021 Jacob Smith
2018 MCOSD Restoration Crew
|
|
Agave utahensis Clark mountain agave, Utah agave
native
Shrub 
2020 Matt Berger
2022 Matt Berger
2022 Matt Berger
|
|
Agave utahensis var. kaibabensis Clark mountain agave, Utah agave
native
Shrub
2020 Matt Berger
2022 Matt Berger
2022 Matt Berger
|
|
Ageratina herbacea Fragrant snakeroot
• rare native
Perennial herb  2010 James M. Andre
 2012 Keir Morse
 2010 James M. Andre
|
|
Agoseris aurantiaca Orange agoseris, Orange flowered agoseris
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Agoseris glauca Pale dandelion, Short beaked agoseris
native
Perennial herb 
2020 Steve Matson
2020 Steve Matson
2020 Steve Matson
|
|
Agoseris glauca var. dasycephala Mountain agoseris
native
Perennial herb 
2012 Steve Matson
2012 Steve Matson
2006 Keir Morse
|
|
Agoseris glauca var. laciniata False dandelion
native
Perennial herb 
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Agoseris heterophylla Annual agoseris, Annual mountain dandelion
native
Annual herb 
2020 Bob Sweatt
2021 Lisa Berry
2020 Bob Sweatt
|
|
Agropyron desertorum Crested wheatgrass
non-native
Perennial grass  2005 Steve Matson
 2009 Zoya Akulova
|
|
Agrostis exarata Spike bentgrass, Spike redtop
native
Perennial grass 
2022 Teal Derrer
2021 David popp
2022 John Rawlings
|
|
Agrostis idahoensis Colonial bentgrass, Idaho bentgrass
native
Perennial grass  2005 Steve Matson
 2005 Steve Matson
|
|
Agrostis scabra Rough bentgrass, Ticklegrass
native
Perennial grass  2005 Steve Matson
 2007 Louis-M. Landry
|
|
Agrostis stolonifera Creeping bentgrass, Redtop
• invasive non-native
Perennial grass 
2018 Rachelle Gray
2018 Rachelle Gray
2018 Rachelle Gray
|
|
Ailanthus altissima Ailanthus, Tree of heaven
• invasive non-native
Tree 
2022 Jenny Gossett
2022 Jenny Gossett
2020 Julie A. Kierstead
|
|
Alisma triviale Northern water plantain
native
Perennial herb (aquatic) 
2023 Ken-ichi Ueda
2022 R.A. Chasey
2019 Gena Bentall
|
|
Allenrolfea occidentalis Iodine bush, Iodinebush
native
Shrub 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Allionia incarnata Trailing allionia, Trailing four o'clock, Windmills
native
Perennial herb 
2010 Steve Matson
2010 Steve Matson
2022 Steve Matson
|
|
Allium bisceptrum Twincrest onion
native
Perennial herb (bulb) 
2012 Steve Matson
2008 Steve Matson
2012 Steve Matson
|
|
Allium bisceptrum var. palmeri Twincrest onion
native
Perennial herb (bulb)
2012 Steve Matson
2008 Steve Matson
2012 Steve Matson
|
|
Allium nevadense Nevada onion
• rare native
Perennial herb (bulb) 
2023 Dana York
2012 John Doyen
2012 John Doyen
|
|
Alopecurus aequalis Short awned foxtail, Sonoma alopecurus, Water foxtail
native
Perennial grass 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Alopecurus geniculatus Marsh foxtail, Water foxtail
native
Perennial grass  2013 Robert Sikora
 2021 Aaron Arthur
 2009 Trent M. Draper
|
|
Aloysia wrightii Oreganillo, Vera dulce, Wright lippia
• rare native
Shrub 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Amaranthus albus Pigweed amaranth, Tumbleweed
non-native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2018 Ron Vanderhoff
|
|
Amaranthus fimbriatus Fringed amaranth
native
Annual herb 
2020 R.A. Chasey
2022 R.A. Chasey
2022 R.A. Chasey
|
|
Amaranthus hybridus Slender pigweed, Slim amaranth
non-native
Annual herb 
2016 Jean Pawek
2016 Jean Pawek
2016 Jean Pawek
|
|
Amaranthus palmeri Carelessweed, Palmer's amaranth
native
Annual herb 
2020 Timothy Blank
2018 Lynn Sosnoskie
2018 Lynn Sosnoskie
|
|
Amaranthus powellii Powell's amaranth
native
Annual herb 
2022 Donald Burk
2019 David popp
2015 Keir Morse
|
|
Amaranthus retroflexus Green amaranth, Red root pigweed, Red rooted amaranth
non-native
Annual herb 
2017 Ingrid Cabada
2022 Jennifer Mo
2021 Ron Vanderhoff
|
|
Ambrosia acanthicarpa Annual bursage, Annual burweed
native
Annual herb 
2009 Steve Matson
2009 Steve Matson
2013 Steve Matson
|
|
Ambrosia artemisiifolia Annual ragweed, Common ragweed, Low ragweed
non-native
Annual herb 
2021 Donald Burk
2015 Richard Spellenberg
2019 David popp
|
|
Ambrosia confertiflora Weak leaved burweed, Weakleaf burr ragweed
native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Ambrosia dumosa Burro weed, Burrobush, White bursage
native
Shrub 
2023 Steve Matson
2023 Steve Matson
2005 Steve Matson
|
|
Ambrosia eriocentra Woolly bur sage, Wooly bursage
native
Shrub 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Ambrosia psilostachya Ragweed, Western ragweed
native
Perennial herb 
2021 Mary Ann Machi
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Amelanchier pumila Dwarf service berry, Glabrous serviceberry
native
Shrub 
2019 Richard Spjut
2019 Richard Spjut
2009 Barry Breckling
|
|
Amelanchier utahensis Pale leaved serviceberry, Service berry, Utah service berry
native
Shrub 
2022 R.A. Chasey
2021 Robert Steers
2022 R.A. Chasey
|
|
Amorpha fruticosa Desert indigobush, Western false indigo
native
Shrub 
2020 Ron Vanderhoff
2008 Gerald Carr
2018 Ron Vanderhoff
|
|
Amphipappus fremontii ssp. spinosus Spiny fremont's chaffbush
native
Shrub 
2017 John Doyen
2005 Keir Morse
2014 Richard Spellenberg
|
|
Amsinckia menziesii var. intermedia Common fiddleneck
native
Annual herb 
2020 Matt Berger
2019 Ron Vanderhoff
2021 David popp
|
|
Amsinckia tessellata Bristly fiddleneck, Checker fiddleneck, Devil's lettuce
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Amsonia tomentosa Gray amsonia, Woolly amsonia, Woolly bluestar
native
Perennial herb 
2006 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Amsonia tomentosa var. stenophylla Gray amsonia, Woolly amsonia, Woolly bluestar
native
Perennial herb
2006 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Amsonia tomentosa var. tomentosa Gray amsonia, Woolly amsonia, Woolly bluestar
native
Perennial herb
2006 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Anaphalis margaritacea Pearly everlasting
native
Perennial herb 
2020 Bob Sweatt
2021 Ken Lunders
2014 James Gonsman
|
|
Andropogon glomeratus Bushy bluestem
native
Perennial grass 
2012 Steve Matson
2012 Steve Matson
2020 Ron Vanderhoff
|
|
Androsace septentrionalis Pygmyflower rockjasmine
native
Annual, Perennial herb 
2005 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Androsace septentrionalis ssp. glandulosa Pygmyflower rockjasmine
native
Annual, Perennial herb
2005 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Androsace septentrionalis ssp. puberulenta Pygmyflower rockjasmine
native
Annual, Perennial herb
2005 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Androstephium breviflorum Pink funnel lily, Small flowered androstephium
• rare native
Perennial herb (bulb) 
2018 Stephen Hodges
2012 Cindy Hopkins
2010 Chris Winchell
|
|
Anemone tuberosa Tuber anemone
native
Perennial herb 
2020 David Greenberger
2020 David Greenberger
2019 John Game
|
|
Anemopsis californica Yerba mansa
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Antennaria marginata White margined pussytoes, Whitemargin pussytoes
• rare native
Perennial herb  2010 Duncan S. Bell
 2010 Duncan S. Bell
 2009 Duncan S. Bell
|
|
Antennaria parvifolia Small leaf pussytoes
native
Perennial herb  2009 Barry Breckling
 2013 Jean Pawek
 2013 Jean Pawek
|
|
Antennaria rosea ssp. arida Rose pussytoes, Rosy everlasting, Rosy pussytoes
native
Perennial herb 
2012 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile
• invasive non-native
Annual herb 
2017 Diane Etchison
2019 Nathan Taxel
2019 Dave Beller
|
|
Antheropeas lanosum White easter bonnets
native
Annual herb 
2020 David Greenberger
2010 Steve Matson
2010 Steve Matson
|
|
Antheropeas wallacei Wallace eriophyllum, Wallace's woolly daisy
native
Annual herb 
2022 Steve Matson
2023 Steve Matson
2022 Steve Matson
|
|
Apium graveolens Smallage, Garden celery
non-native
Annual, Biennial herb 
2016 Joan Hampton
2019 Nathan Taxel
2016 Joan Hampton
|
|
Apocynum androsaemifolium Bitter dogbane, Spreading dogbane
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Apocynum cannabinum Indian hemp, Indianhemp dogbane, HEMP DOGBANE
native
Perennial herb 
2019 Ron Vanderhoff
2015 Ron Vanderhoff
2021 Mike Russler
|
|
Apocynum Xfloribundum Bitter dogbane, Spreading dogbane
native
Perennial herb
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Arabis drummondii Drummond's rockcress
native
Perennial herb  2010 Barry Breckling
 2013 Debra L. Cook
 2013 Debra L. Cook
|
|
Arabis glabra Tower rockcress
native
Perennial herb 
2021 David Wolfson
2021 Mike Russler
2020 Chico Hiking Association
|
|
Arabis perennans Perennial rockcress
native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Arabis pulchra Beautiful rockcress
native
Perennial herb 
2012 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Arabis pulchra var. pallens Beautiful rockcress
native
Perennial herb
2012 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Arceuthobium abietinum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe
native
Perennial herb (parasitic) 
2016 Richard Spjut
2020 Charles Russell
2021 Mikhela Aiken
|
|
Arceuthobium divaricatum Golden mistletoe, Pine dwarf mistletoe, Pine mistletoe
native
Perennial herb (parasitic)
2016 Richard Spjut
2020 Charles Russell
2021 Mikhela Aiken
|
|
Arceuthobium douglasii Douglas dwarf mistletoe, Douglas's dwarf mistletoe
native
Perennial herb (parasitic)  2017 Thayne Tuason
|
|
Arctomecon californica California bearpoppy
non-native
Perennial herb 
2013 John Doyen
2013 John Doyen
2013 John Doyen
|
|
Arctostaphylos pungens Mexican manzanita, Pointleaf manzanita
native
Tree, Shrub 
2016 James Gonsman
2014 James Gonsman
2020 Mike Russler
|
|
Arenaria lanuginosa Spreading sandwort
native
Perennial herb  2008 Michael Charters
 2009 Thomas Stoughton
 2008 Michael Charters
|
|
Arenaria lanuginosa ssp. saxosa Rock sandwort
• rare native
Perennial herb 
2007 John Doyen
2008 Michael Charters
2009 Thomas Stoughton
|
|
Arenaria macradenia Mojave sandwort
native
Perennial herb 
2016 Alison Sheehey
2019 Matt Berger
2019 Matt Berger
|
|
native
Perennial herb 
2019 Jim Morefield
2023 richard mcneill
2023 Bob Steele
|
|
Argemone corymbosa Leafy prickly poppy, Mohave prickly poppy, Mojave pricklypoppy
native
Perennial herb 
2016 James Gonsman
2014 Rosie Flathers
2014 Rosie Flathers
|
|
Argemone corymbosa ssp. arenicola Leafy prickly poppy, Mohave prickly poppy, Mojave pricklypoppy
native
Perennial herb
2016 James Gonsman
2014 Rosie Flathers
2014 Rosie Flathers
|
|
Argemone munita Chicalote, Prickly poppy
native
Annual, Perennial herb 
2023 Caitlin Kreutz
2021 Mike Russler
2021 Mike Russler
|
|
Argemone munita ssp. argentea Chicalote, Prickly poppy
native
Annual, Perennial herb
2023 Caitlin Kreutz
2021 Mike Russler
2021 Mike Russler
|
|
Argemone munita ssp. rotundata Chicalote, Prickly poppy
native
Annual, Perennial herb
2023 Caitlin Kreutz
2021 Mike Russler
2021 Mike Russler
|
|
Argyrochosma jonesii Jones' false cloak fern
native
Fern 
2006 Steve Matson
2006 Steve Matson
2019 Steve Matson
|
|
Argyrochosma limitanea Southwestern false cloak fern
native
Fern (rhizomatous)  2017 John Doyen
 © 2017 John Doyen
 2017 John Doyen
|
|
Argyrochosma limitanea ssp. limitanea Southwestern false cloak fern
• rare native
Fern (rhizomatous) |
|
Argythamnia neomexicana Common ditaxis, New mexico ditaxis
native
Annual, Perennial herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Aristida adscensionis Six weeks three awn, Sixweeks threeawn
native
Annual grass 
2023 Keir Morse
2023 Keir Morse
2016 James Bailey
|
|
Aristida purpurea Purple three awn, Purple threeawn
native
Perennial grass 
2019 Ron Vanderhoff
2016 Keir Morse
2016 Keir Morse
|
|
Aristida purpurea var. longiseta Red three awn
native
Perennial grass 
2017 Gerald Carr
2017 Gerald Carr
2017 Gerald Carr
|
|
Aristida purpurea var. nealleyi Nealley three awn, Reverchon three awn
native
Perennial grass 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Aristida purpurea var. parishii Parish three awn, Parish's threeawn
native
Perennial grass 
2016 Keir Morse
2016 Keir Morse
2016 Keir Morse
|
|
Aristida ternipes var. gentilis Spidergrass
native
Perennial grass 
2023 Donald Burk
2019 David popp
2020 Chris Velez
|
|
Arnica chamissonis Chamisso arnica
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Arnica chamissonis ssp. foliosa Chamisso arnica
native
Perennial herb
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Arnica cordifolia Heart leaved arnica, Heartleaf arnica
native
Perennial herb 
2022 Cynthia Powell
2006 Keir Morse
2003 Steve Matson
|
|
Artemisia bigelovii Bigelow sagebrush, Flat sagebrush
native
Shrub 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Artemisia campestris Field sagewort
native
Perennial herb  2010 Louis-M. Landry
 2012 Richard Spellenberg
|
|
native
Perennial herb 
2023 Dana York
2023 Dana York
2011 Dana York
|
|
Artemisia dracunculus Herbaceous sagewort, Pinon wormwood, Tarragon
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Artemisia ludoviciana Mugwort, Silver wormwood
native
Perennial herb 
2019 Bob Sweatt
2011 Steve Matson
2011 Steve Matson
|
|
Artemisia ludoviciana var. albula Silver wormwood, White mugwort, White sagebrush
native
Perennial herb
2011 Steve Matson
2011 Steve Matson
2019 Michelle Tollett
|
|
Artemisia tridentata Big sagebrush, Common sagebrush
native
Shrub 
2023 Ryan O'Dell
2008 Thomas Stoughton
2022 Cynthia Powell
|
|
Arundo donax Giant reed
• invasive non-native
Perennial grass 
2013 Miriam Sachs Martin
2020 Jennifer Mo
2018 Ron Vanderhoff
|
|
Asclepias asperula Spider milkweed
native
Perennial herb  2014 Ron Wolf
 2010 Judy McBride
 2014 Wynn Anderson
|
|
Asclepias asperula ssp. capricornu Spider milkweed
native
Perennial herb 2014 Ron Wolf
2010 Judy McBride
2014 Wynn Anderson
|
|
Asclepias latifolia Broadleaf milkweed
native
Shrub  2019 Richard Spellenberg
 © 2016 Wynn Anderson
 2019 Richard Spellenberg
|
|
Asclepias speciosa Showy milkweed
native
Perennial herb 
2009 Steve Matson
2009 Steve Matson
2009 Steve Matson
|
|
Asclepias tuberosa Butterfly milkweed
non-native
Shrub  2009 Barry Breckling
 2003 Jeff Abbas
 2003 Lisa Powers
|
|
Astragalus argophyllus var. panguicensis Silverleaf milkvetch
native
Perennial herb 
2019 Steve Matson
2013 Steve Matson
2011 Steve Matson
|
|
Astragalus calycosus Torrey's milkvetch
native
Perennial herb 
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Astragalus calycosus var. scaposus Torrey's milkvetch
native
Perennial herb
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Astragalus kentrophyta Kentrophyta milkvetch, Spiny milk vetch
native
Perennial herb 
2015 Steve Matson
2012 Steve Matson
2015 Steve Matson
|
|
Astragalus kentrophyta var. elatus Spiny leaved milk vetch, Spiny leaved milkvetch
• rare native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Astragalus lentiginosus Freckled milk vetch, Rattle pod, Specklepod loco milkvetch
native
Annual, Perennial herb 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2005 Keir Morse
|
|
Astragalus lentiginosus var. australis Freckled milk vetch, Rattle pod, Specklepod loco milkvetch
native
Annual, Perennial herb
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2005 Keir Morse
|
|
Astragalus lentiginosus var. diphysus Freckled milk vetch, Rattle pod, Specklepod loco milkvetch
native
Annual, Perennial herb
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2005 Keir Morse
|
|
Astragalus lentiginosus var. oropedii Freckled milk vetch, Rattle pod, Specklepod loco milkvetch
native
Annual, Perennial herb
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2005 Keir Morse
|
|
Astragalus lentiginosus var. palans Freckled milk vetch, Rattle pod, Specklepod loco milkvetch
native
Annual, Perennial herb
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2005 Keir Morse
|
|
Astragalus lentiginosus var. yuccanus Freckled milk vetch, Rattle pod, Specklepod loco milkvetch
native
Annual, Perennial herb
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2005 Keir Morse
|
|
Astragalus newberryi Newberry's milkvetch
native
Perennial herb 
2023 Alan Bade
2020 Steve Matson
2023 Alan Bade
|
|
Astragalus nuttallianus Nuttall locoweed, Small flowered milk vetch, Smallflowered milkvetch
native
Annual herb 
2006 Steve Matson
2017 Keir Morse
2017 Keir Morse
|
|
Astragalus nuttallianus var. austrinus Smallflowered milkvetch, Southern small flowered milk vetch
native
Annual herb  2015 Wynn Anderson
 2015 Wynn Anderson
 2015 Wynn Anderson
|
|
Astragalus oophorus Bladder milk vetch, Egg milkvetch
native
Perennial herb 
2018 David Greenberger
2011 Steve Matson
2011 Steve Matson
|
|
Astragalus oophorus var. caulescens Bladder milk vetch, Egg milkvetch
native
Perennial herb
2018 David Greenberger
2011 Steve Matson
2011 Steve Matson
|
|
Astragalus preussii Preuss' milkvetch, Preuss's milk vetch
native
Perennial herb  2020 Steve Matson
 2016 John Doyen
 2016 John Doyen
|
|
Astragalus preussii var. preussii Desert milkvetch, Preuss's milk vetch
• rare native
Perennial herb  2015 John Doyen
 2015 John Doyen
 2015 John Doyen
|
|
Astragalus sabulonum Gravel milk vetch, Gravel milkvetch
• rare native
Annual herb  2012 Steve Matson
 2012 Steve Matson
 2005 James M. Andre
|
|
Astragalus tephrodes Ashen milkvetch
native
Perennial herb  2015 Richard Spellenberg
 2015 Richard Spellenberg
 2015 Richard Spellenberg
|
|
Athysanus pusillus Athysanus, Common sandweed, Dwarf athysanus
native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Atrichoseris platyphylla Gravel ghost, Gravelghost, Parachute flower
native
Annual herb 
2020 Matt Berger
2020 David Greenberger
2019 Matt Berger
|
|
Atriplex argentea Silver saltweed, Silverscale saltbush
native
Annual herb 
2022 Naomi Fraga
2022 Dianne Lake
2017 Gerald Carr
|
|
Atriplex canescens Fourwing saltbush, Hoary saltbush, Shadscale
native
Shrub 
2019 Cynthia Powell
2022 Steve Matson
2020 Richard Spjut
|
|
Atriplex confertifolia Shadscale, Spiny saltbush
native
Shrub 
2015 Steve Matson
2015 Steve Matson
2016 Steve Matson
|
|
Atriplex hymenelytra Desert holly, Desertholly saltbush
native
Shrub 
2021 Alexander S. Kunz
2016 Alison Sheehey
2020 David Greenberger
|
|
Atriplex rosea Redscale, Tumbling oracle, Tumbling saltweed
non-native
Annual herb 
2022 R.A. Chasey
2022 R.A. Chasey
2015 jamie smith
|
|
Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass 
2018 Gary McDonald
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Ayenia compacta California ayenia, Desert ayenia
• rare native
Perennial herb, Shrub 
2020 Matt Berger
2012 Keir Morse
2020 Matt Berger
|
|
Baccharis brachyphylla Short leaved baccharis, Short leaved baccharis, Shortleaf baccharis
native
Shrub 
2012 Keir Morse
2012 Keir Morse
2012 Keir Morse
|
|
Baccharis emoryi Willow baccharis
native
Shrub 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Baccharis salicifolia Mule fat., seep willow, Mule's fat, Mulefat
native
Shrub 
2023 Julia Markey
2020 Aaron Echols
2023 Julia Markey
|
|
Baccharis sarothroides Desertbroom baccharis
native
Shrub 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Baccharis sergiloides Desert baccharis
native
Shrub 
2016 Richard Spjut
2020 David Greenberger
2012 Keir Morse
|
|
Bahia dissecta Ragged leaf bahia
native
Perennial herb 
2023 R.A. Chasey
2020 Eric Koberle
2023 R.A. Chasey
|
|
Baileya multiradiata Desert marigold
native
Perennial herb 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2018 Steven MacDonald
|
|
Baileya pleniradiata Woolly desert marigold, Woolly marigold, Wooly marigold
native
Annual, Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Bassia hyssopifolia Five horn bassia, Fivehorn smotherweed
• invasive non-native
Annual herb 
2019 Ron Vanderhoff
2021 Ron Vanderhoff
2022 Bob Sweatt
|
|
Bebbia juncea var. aspera Rough sweetbush
native
Shrub 
2023 Keir Morse
2016 Steve Matson
2019 Ron Vanderhoff
|
|
Beckmannia syzigachne American sloughgrass, Slough grass
native
Annual grass 
2021 Emily R. Allen
2018 Japhia Huhndorf
2021 Emily R. Allen
|
|
Berula erecta Cut leaved water parsnip, Cutleaf water parsnip, Cutleaf waterparsnip
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Betula occidentalis Water birch
native
Tree, Shrub 
2022 Steve Matson
2022 Steve Matson
2013 Steve Matson
|
|
Bidens frondosa Devil's beggartick, Sticktight
native
Annual herb 
2020 R.A. Chasey
2020 Bob Sweatt
2020 R.A. Chasey
|
|
Boehmeria cylindrica Smallspike false nettle
non-native
Perennial herb  2007 Robert E. Preston, Ph.D.
 2008 Louis-M. Landry
 2007 Robert E. Preston, Ph.D.
|
|
Boerhavia coccinea Red boerhaavia, Scarlet spiderling
native
Perennial herb 
2018 James Bailey
2018 James Bailey
2019 Aaron Echols
|
|
Boerhavia intermedia Fivewing spiderling
native
Annual herb 
2022 R.A. Chasey
2011 Neal Kramer
2022 R.A. Chasey
|
|
Boerhavia wrightii Largebract spiderling, Wright's boerhavia, Wright's spiderling
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Bothriochloa barbinodis Beard grass, Cane beardgrass, Cane bluestem
native
Perennial grass 
2022 Ron Vanderhoff
2018 Ron Vanderhoff
2015 Ron Vanderhoff
|
|
Bothriochloa laguroides ssp. torreyana Silver beardgrass
non-native
Perennial grass 
2015 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Bothriochloa saccharoides Silver beardgrass
non-native
Perennial grass
2015 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Bouteloua aristidoides Needle grama
native
Annual grass 
2012 Keir Morse
2012 Keir Morse
2012 Keir Morse
|
|
Bouteloua barbata Sixweeks grama
native
Annual grass 
2023 Keir Morse
2013 Steve Matson
2013 Steve Matson
|
|
Bouteloua curtipendula Side oats grama, Sideoats grama
native
Perennial grass  2012 Aaron Schusteff
 2007 Trent M. Draper
 2006 Louis-M. Landry
|
|
Bouteloua eriopoda Black grama
• rare native
Perennial grass  2012 Duncan S. Bell
 2012 Duncan S. Bell
 2015 Belinda Lo
|
|
Bouteloua gracilis Blue grama
native
Perennial grass 
2022 R.A. Chasey
2022 R.A. Chasey
2016 Laura Cunningham
|
|
Bouteloua trifida Red grama
• rare native
Perennial grass 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Bowlesia incana Hoary bowlesia
native
Annual herb 
2019 Diane Renshaw
2019 Diane Renshaw
2017 Gary McDonald
|
|
Brassica tournefortii Saharan mustard
• invasive non-native
Annual herb 
2023 Julia Markey
2018 Jeffrey Black
2021 Ron Vanderhoff
|
|
Brickellia atractyloides Spear leaved brickellia, Spearleaf brickellbush
native
Shrub (stem succulent) 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Brickellia californica Brickell bush, California brickellbush, California brickellia
native
Perennial herb 
2020 Diane Etchison
2018 Diane Etchison
2022 Ron Vanderhoff
|
|
Brickellia grandiflora Large flowered brickelbush, Large flowered brickellia, Tasselflower brickellbush
native
Perennial herb 
2011 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Brickellia longifolia Longleaf brickellbush, Willow leaved brickellia, Willowleaf brickellia
native
Shrub 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Brickellia longifolia var. multiflora Longleaf brickellbush
native
Shrub
2022 Steve Matson
2022 Steve Matson
2018 Matt Berger
|
|
Brickellia oblongifolia Mojave brickellbush
native
Perennial herb 
2021 Steve Matson
2013 Steve Matson
2019 Matt Berger
|
|
Brickellia oblongifolia var. linifolia Narrow leaved brickellia, Narrowleaf brickellbush, Pinon brickellia
native
Perennial herb
2021 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Bromus anomalus Nodding brome
native
Perennial grass 
2015 Steve Matson
2015 Steve Matson
2015 Belinda Lo
|
|
Bromus arizonicus Arizona brome
native
Annual grass 
2017 Neil Uelman
2017 Neil Uelman
2017 Neil Uelman
|
|
Bromus berterianus Chilean chess
non-native
Annual grass 
2023 John Rawlings
2006 Steve Matson
2006 Steve Matson
|
|
Bromus carinatus California brome
native
Perennial grass 
2020 Ron Vanderhoff
2022 David popp
2014 Vertin Alvarez
|
|
Bromus catharticus Rescue grass, Rescuegrass
non-native
Annual, Perennial grass 
2019 John Rawlings
2016 Andrew Longman
2020 Ramona Robison
|
|
Bromus ciliatus Fringed bromegrass
native
Perennial grass 
2022 John Rawlings
2022 John Rawlings
2010 Louis-M. Landry
|
|
Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2021 Richard Spjut
2022 Ron Vanderhoff
|
|
Bromus hordeaceus ssp. hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass 
2023 Ron Vanderhoff
2018 Gary McDonald
2018 Gary McDonald
|
|
Bromus inermis Smooth brome
non-native
Perennial grass 
2011 Ramona Robison
2019 Manzanita Dictionary
2019 Manzanita Dictionary
|
|
Bromus japonicus Downy sheathed cheat, Hairy chess, Japanese brome
• invasive non-native
Annual grass 
2022 Michelle Peruzzi
2005 Steve Matson
2005 Steve Matson
|
|
Bromus madritensis Foxtail chess, foxtail brome, Madrid brome, Spanish brome
non-native
Annual grass 
2022 Steve Matson
2023 Stephen H Siemsen
2015 Chris Jaster
|
|
Bromus marginatus Mountain brome
native
Perennial grass 
2021 Arlee Montalvo
2019 John Rawlings
2021 Arlee Montalvo
|
|
Bromus rubens Red brome
• invasive non-native
Annual grass 
2015 Chris Jaster
2015 jamie smith
2018 Gary McDonald
|
|
Bromus secalinus Chess brome, Rye brome
non-native
Annual grass  2005 Steve Matson
 2005 Steve Matson
 2005 Steve Matson
|
|
Bromus sterilis Poverty brome, Sterile brome
non-native
Annual grass 
2021 John Rawlings
2023 John Rawlings
2023 John Rawlings
|
|
Bromus tectorum Cheatgrass, downy brome, Downy brome grass, Downy chess
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Calamagrostis stricta ssp. stricta Slimstem reedgrass
native
Perennial grass (rhizomatous)  2007 Steve Matson
 2007 Steve Matson
 2007 Steve Matson
|
|
Calibrachoa parviflora Wild petunia
native
Annual herb 
2017 Ron Vanderhoff
2020 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Callitriche palustris Vernal water-starwort
native
Annual herb 
2019 R.A. Chasey
2015 Steve Matson
2021 R.A. Chasey
|
|
Calochortus flexuosus Winding mariposa lily
native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Caltha leptosepala White marsh marigold
native
Perennial herb 
2018 Art Clark
2019 Steve Matson
2021 Mike Russler
|
|
Calycoseris parryi Yellow tackstem
native
Annual herb 
2010 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Calypso bulbosa Fairy slipper, Fairyslipper orchid
native
Perennial herb 
2023 Stephanie Penn
2022 Marcus Tamura
2020 Mary Ann Machi
|
|
Calypso bulbosa var. americana Fairy slipper, Fairyslipper orchid
native
Perennial herb
2023 Stephanie Penn
2022 Marcus Tamura
2020 Mary Ann Machi
|
|
Camelina microcarpa False flax, Little podded falseflax, Littleseed falseflax
non-native
Annual herb 
2016 David popp
2005 Brent Miller
2012 Jean Pawek
|
|
Camissonia boothii ssp. boothii Booth's evening-primrose
• rare native
Annual herb 
2023 Cesar Garcia
2023 Cesar Garcia
2012 Keir Morse
|
|
Camissonia brevipes Yellow cups
native
Annual, Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Camissonia chamaenerioides Long fruit suncup
native
Annual herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Camissonia multijuga Walker's sun cup
native
Annual, Perennial herb 
2008 Steve Matson
2008 Steve Matson
2015 Steve Matson
|
|
Camissonia pallida Pale yellow sun cup
native
Annual herb 
2020 Don M. Davis
2023 Mike Russler
2020 Don M. Davis
|
|
Camissonia pterosperma Wing fruit sun cup
native
2019 Steve Matson
2019 Matt Berger
2019 Matt Berger
|
|
Camissonia refracta Narrow leaved primrose
native
Annual herb 
2020 Steve Matson
2020 Steve Matson
2020 Steve Matson
|
|
Camissonia walkeri Walker's suncup
native
Annual, Perennial herb
2008 Steve Matson
2008 Steve Matson
2015 Steve Matson
|
|
Camissonia walkeri ssp. walkeri Walker's suncup
native
Annual, Perennial herb
2008 Steve Matson
2008 Steve Matson
2015 Steve Matson
|
|
Cannabis sativa Herb, Marijuana
non-native
Annual herb  2005 Louis-M. Landry
 2017 Barry Rice
 2005 Louis-M. Landry
|
|
Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb 
2008 Steve Matson
2019 Cynthia Powell
2022 Doug Allshouse
|
|
Cardaria draba Whitetop
• invasive non-native
Perennial herb 
2020 Ron Vanderhoff
2021 Mike Russler
2020 Ron Vanderhoff
|
|
Carduus nutans Musk thistle, Nodding plumeless thistle
• invasive non-native
Perennial herb 
2022 Bob Sweatt
2022 Bob Sweatt
2022 Bob Sweatt
|
|
Carex aquatilis Water sedge
native
Perennial grasslike herb 
2006 Keir Morse
2006 Keir Morse
2006 Keir Morse
|
|
Carex athrostachya Slender beak sedge, Slender leaved sedge
native
Perennial grasslike herb 
2018 Emily Allen
2004 Steve Matson
2004 Steve Matson
|
|
Carex aurea Golden fruited sedge, Golden sedge
native
Perennial grasslike herb 
2020 David Greenberger
2018 Matt Berger
1981 Dean Wm. Taylor
|
|
Carex bolanderi Bolander's sedge
native
Perennial grasslike herb 
2018 Steve Matson
2018 Steve Matson
2018 Steve Matson
|
|
Carex hystericina Bottlebrush sedge
• rare native
Perennial grasslike herb (rhizomatous)  2003 Steve Matson
 2003 Steve Matson
|
|
Carex microptera Small wing sedge
native
Perennial grasslike herb 
2018 David Greenberger
2015 Steve Matson
2015 Steve Matson
|
|
Carex nebrascensis Nebraska sedge
native
Perennial grasslike herb 
2019 Steve Matson
2022 Dianne Lake
2019 Steve Matson
|
|
Carex occidentalis Western sedge
• rare native
Perennial grasslike herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Carex pellita Woolly sedge
native
Perennial grasslike herb 
2019 Matt Berger
2022 Ellen Uhler
2019 Eric Wrubel
|
|
Carex petasata Liddon sedge, Liddon's sedge
• rare native
Perennial grasslike herb  2009 Sierra Pacific Industries
 2007 Dean Wm. Taylor, Ph.D.
 2007 Dean Wm. Taylor, Ph.D.
|
|
Carex praegracilis Clustered field sedge, Field sedge
native
Perennial grasslike herb 
2020 Ken Hickman
2020 John Rawlings
2020 Steve Matson
|
|
Carex rossii Ross sedge, Ross' sedge
native
Perennial grasslike herb 
2002 Steve Matson
2002 Steve Matson
2006 Steve Matson
|
|
Carex scoparia Pointed broom sedge
native
Perennial grasslike herb  2003 Steve Matson
 2003 Steve Matson
|
|
Carex senta Rough sedge, Swamp carex, Swamp sedge
native
Perennial grasslike herb 
2019 Rachelle Gray
2019 Rachelle Gray
2019 Rachelle Gray
|
|
Carex subfusca Brown sedge, Rusty slender sedge
native
Perennial grasslike herb 
2010 Steve Matson
2010 Steve Matson
2013 Ron Vanderhoff
|
|
Carex vallicola Valley sedge
• rare native
Perennial grasslike herb  1998 Dean Wm. Taylor
 2003 Steve Matson
|
|
Carex vulpinoidea Fox sedge
native
Perennial grasslike herb 
2022 Donald Burk
2022 Donald Burk
2010 Dean Wm. Taylor, Ph.D.
|
|
Castilleja applegatei ssp. martinii Martin's paintbrush, Wavyleaf indian paintbrush
native
Perennial herb 
2022 Mary Conway
2022 Mary Conway
2019 David Magney
|
|
Castilleja linariifolia Desert paintbursh, Wyoming paintbrush
native
Perennial herb 
2010 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Castilleja miniata Great red paintbrush, Scarlet paintbrush
native
Perennial herb 
2014 Steve Matson
2020 Bob Sweatt
2013 BOB CASE
|
|
Caulanthus cooperi Cooper caulanthus, Cooper's jewel flower, Cooper's wild cabbage
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2020 Steve Matson
|
|
Caulanthus crassicaulis Thick stemmed caulanthus, Thickstem wild cabbage
native
Perennial herb 
2011 Steve Matson
2023 richard mcneill
2011 Steve Matson
|
|
Ceanothus greggii Desert ceanothus
native
Shrub  2010 James M. Andre
 2004 James M. Andre
 2005 James M. Andre
|
|
Celtis laevigata var. reticulata Net leaf hackberry, Western hackberry
native
Tree 
2012 Denise Waterbury
0000 Denise Waterbury
2004 James M. Andre
|
|
Cenchrus spinifex Coast sandbur
• invasive non-native
Annual grass 
2022 Jesse Potter
2022 Jesse Potter
2001 CDFA
|
|
Centaurea biebersteinii Spotted knapweed
• invasive non-native
Perennial herb 
2021 Patrick Hoffman
2022 Patrick Hoffman
2019 Amanda Mills
|
|
Centaurea diffusa Diffuse knapweed, White knapweed
• invasive non-native
Perennial herb 
2020 David Greenberger
2022 Bob Sweatt
2019 Catherine Talbot
|
|
Centaurea solstitialis Barnaby's thistle, Yellow star thistle
• invasive non-native
Annual herb 
2022 Cynthia Powell
2019 Arlee Montalvo
2022 Mary Herr
|
|
Centaurium calycosum Small Tree-Mallow
|
|
Centaurium exaltatum Spring-loving Centaury
native
Annual herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Centrostegia thurberi Red triangles, Thurber spiny herb, Thurber's spineflower
native
Annual herb 
2010 Steve Matson
2010 Steve Matson
2022 Steve Matson
|
|
Cerastium arvense Field chickweed, Meadow chickweed
native
Perennial herb 
2019 Ken Hickman
2019 John Rawlings
2014 Steve Matson
|
|
Ceratocephala testiculata Tubercled crowfoot
non-native
Annual herb 
2022 Bob Sweatt
2011 Steve Matson
2020 Donald Burk
|
|
Cercis orbiculata Redbud, Western redbud
native
Tree, Shrub 
2023 Cynthia Powell
2020 Julie A. Kierstead
2023 Cynthia Powell
|
|
Cercocarpus intricatus Little leaved mountain mahogany
native
Shrub 
2017 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Cercocarpus ledifolius Curl leaf mountain mahogany, Desert mountain mahogany
native
Tree, Shrub 
2010 Steve Matson
2010 Steve Matson
2011 Steve Matson
|
|
Cercocarpus montanus Birch leaf mountain mahogany, Mountain mahogany
native
Tree, Shrub 
2020 Rebecca Schoenenberger
2020 Aaron Echols
2016 Cindy Roessler
|
|
Chaenactis carphoclinia var. carphoclinia Pebble pincushion
native
Annual herb 
2019 Matt Berger
2020 Matt Berger
2020 Matt Berger
|
|
Chaenactis douglasii Chaenactis, Hoary chaenactis
native
Annual, Perennial herb 
2011 Steve Matson
2011 Steve Matson
2007 Steve Matson
|
|
Chaenactis fremontii Fremont pincushion, Pincushion flower
native
Annual herb 
2019 Matt Berger
2021 Julie Ann Watson
2020 Kimberly Coates
|
|
Chaenactis macrantha Large flowered chaenactis, Mohave pincushion
native
Annual herb 
2010 Steve Matson
2010 Steve Matson
2022 Steve Matson
|
|
Chaenactis stevioides Desert pincushion, Esteve pincushion
native
Annual herb 
2020 Mitchell Coleman
2019 Matt Berger
2022 Steve Matson
|
|
Chaenactis xantiana Fleshcolor pincushion, Xantus pincushion, Xantus' chaenactis
native
Annual herb 
2019 Matt Berger
2021 Mike Russler
2021 Mike Russler
|
|
Chaetopappa ericoides Heath leaved chaetopappa, Rose heath
native
Perennial herb 
2020 Steve Matson
2020 Steve Matson
2020 Steve Matson
|
|
Chamaebatiaria millefolium Desertsweet, Fern bush
native
Shrub 
2020 Matt Berger
2017 Steve Matson
2017 Steve Matson
|
|
Chamaesaracha coronopus Five eye chamaesaracha, Greenleaf five eyes
native
Perennial herb 
2014 Paul Preston
2014 Paul Preston
2014 Paul Preston
|
|
Chamaesyce arizonica Arizona spurge
• rare native
Perennial herb 
2013 Keir Morse
2013 Keir Morse
2013 Keir Morse
|
|
Chamaesyce fendleri Fendler's sandmat
native
Perennial herb 
2009 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Chamaesyce melanadenia Red-gland spurge
native
Perennial herb 
2022 Rosalind Helfand
2020 Matt Berger
2020 Matt Berger
|
|
Chamaesyce polycarpa Smallseed sandmat
native
Perennial herb 
2018 Ron Vanderhoff
2010 Steve Matson
2021 Les Vion
|
|
Chamaesyce revoluta Revolute spurge
• rare native
Annual herb 
2011 Keir Morse
2016 Keir Morse
2011 Keir Morse
|
|
Chamaesyce serpyllifolia Thyme-leafed spurge
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2005 Steve Matson
|
|
Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge
native
Annual, Perennial herb
2005 Steve Matson
2005 Steve Matson
2022 Steve Matson
|
|
native
Perennial herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Cheilanthes parryi Parry's lip fern
native
Fern 
2019 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Cheilanthes wootonii Wooton's lace fern
• rare native
Perennial herb  2010 James M. Andre
 2010 James M. Andre
|
|
Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot
non-native
Annual herb 
2022 Ron Vanderhoff
2014 Toni Corelli
2022 Ron Vanderhoff
|
|
Chenopodium ambrosioides Mexican tea
non-native
Annual, Perennial herb 
2020 Ron Vanderhoff
2018 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Chenopodium ambrosioides var. ambrosioides Mexican tea
non-native
Annual, Perennial herb
2020 Ron Vanderhoff
2018 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Chenopodium berlandieri Berlandier's goosefoot, Pit seed goosefoot
native
Annual herb 
2003 Keir Morse
2003 Keir Morse
2003 Keir Morse
|
|
Chenopodium berlandieri var. zschackii Berlandier's goosefoot, Pit seed goosefoot
native
Annual herb
2003 Keir Morse
2003 Keir Morse
2003 Keir Morse
|
|
Chenopodium capitatum Blite goosefoot, Strawberry blite
non-native
Annual herb  2009 Barry Breckling
 2010 Louis-M. Landry
 2013 Ron Wolf
|
|
Chenopodium desiccatum Aridland goosefoot, Dry goosefoot
native
Annual herb 
2003 Keir Morse
2003 Keir Morse
2003 Keir Morse
|
|
Chenopodium fremontii Fremont's goosefoot
native
Annual herb 
2021 Arlee Montalvo
2021 Arlee Montalvo
2017 Drew Beccue
|
|
Chenopodium incanum Mealy goosefoot
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Chenopodium incanum var. elatum Mealy goosefoot
native
Perennial herb
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Chenopodium leptophyllum Narrowleaf goosefoot, Thin leaved goosefoot
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2011 Steve Matson
|
|
Chenopodium murale Nettle leaf goosefoot, Sowbane
non-native
Annual herb 
2020 Ron Vanderhoff
2019 Diane Etchison
2020 Ron Vanderhoff
|
|
Chenopodium pratericola Desert goosefoot, Meadow goosefoot
native
Annual herb 
2023 Dianne Lake
2018 Gerald Carr
2018 Gerald Carr
|
|
Chenopodium rubrum Red goosefoot
native
Annual herb 
2009 Gerald Carr
2020 Alice Cummings
2018 Gerald Carr
|
|
Chilopsis linearis Desert willow
native
Shrub 
2005 Deborah Dozier
2019 David Greenberger
2020 Deborah Dozier
|
|
Chimaphila umbellata Blake's prince's pine, Pipsissewa, Prince's Pine
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2019 Steve Matson
|
|
Chimaphila umbellata ssp. acuta Blake's prince's pine, Pipsissewa, Prince's Pine
native
Perennial herb
2015 Steve Matson
2015 Steve Matson
2019 Steve Matson
|
|
Chloracantha spinosa Spiny chloracantha
native
Perennial herb 
2022 Sandra Torres
2014 Keir Morse
2014 Keir Morse
|
|
Chloris virgata Feather finger grass, Feather fingergrass
non-native
Annual grass  2005 Steve Matson
 2005 Steve Matson
 Charles Webber 1998 California Academy of Sciences
|
|
Chondrilla juncea Hogbite, Skeleton weed
• invasive non-native
Perennial herb 
2021 George Williams
2021 Julia Kosowitz
2021 Bob Sweatt
|
|
Chorispora tenella Crossflower
• invasive non-native
Annual herb 
2022 Bob Sweatt
2019 Caleb Cole
2019 Liz Block
|
|
Chorizanthe brevicornu Brittle spine flower, Brittle spineflower
native
Annual herb 
2022 Steve Matson
2019 Ron Vanderhoff
2022 Steve Matson
|
|
Chorizanthe rigida Devil's spineflower, Rigid spiny herb
native
Annual herb 
2011 Steve Matson
2022 Steve Matson
2017 Keir Morse
|
|
Chrysothamnus depressus Long flowered rabbitbrush, Longflower rabbitbrush
native
Shrub  2010 Teague Embrey
 2010 Teague Embrey
 2015 Richard Spellenberg
|
|
Chrysothamnus greenei Greene's rabbitbrush
• rare native
Shrub  2012 Lynn Robertson
 2009 James M. Andre
 2009 James M. Andre
|
|
Chrysothamnus viscidiflorus Green rabbitbrush, Stickyleaf rabbitbrush, Yellow rabbitbrush
native
Shrub 
2022 Steve Matson
2022 Steve Matson
2020 Cynthia Powell
|
|
Chrysothamnus viscidiflorus ssp. axillaris Sticky leaved rabbitbrush, Yellow rabbitbrush
native
Shrub 
2015 Jim Morefield
2015 Jim Morefield
2015 Jim Morefield
|
|
Chrysothamnus viscidiflorus ssp. lanceolatus Sticky leaved rabbitbrush, Yellow rabbitbrush
native
Shrub  2014 Richard Spellenberg
 2014 Richard Spellenberg
 © 2014 Richard Spellenberg
|
|
Cichorium intybus Chicory
non-native
Perennial herb 
2020 Bob Sweatt
2022 David Strauch
2019 Diane Etchison
|
|
Cirsium arizonicum Arizona thistle
native
Perennial herb 
2016 Steve Matson
2020 David Greenberger
2016 Steve Matson
|
|
Cirsium arizonicum var. nidulum Arizona thistle
native
Perennial herb
2016 Steve Matson
2020 David Greenberger
2016 Steve Matson
|
|
Cirsium arvense Canada thistle
• invasive non-native
Perennial herb 
2012 Michael Mitchell
2012 Michael Mitchell
2022 Donald Burk
|
|
Cirsium neomexicanum Desert thistle, New mexico thistle
native
Perennial herb 
2023 Dana York
Geoff Burleigh
Geoff Burleigh
|
|
Cirsium ochrocentrum Beaumont thistle, Yellow spined thistle
• invasive non-native
Perennial herb 
2018 Cynthia Powell
2018 Cynthia Powell
2018 Stephen Pfeiler
|
|
Cirsium scariosum Dwarf thistle, Elk thistle
native
Perennial herb 
2020 Bob Sweatt
2022 Melissa Harbert
2023 Ryan O'Dell
|
|
Cirsium undulatum Wavy leaved thistle, Wavyleaf thistle
non-native
Perennial herb 
2020 Chris McDonald
2020 Chris McDonald
2015 Richard Spellenberg
|
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb 
2017 James Bailey
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Cladium californicum California sawgrass, Saw grass
• rare native
Perennial grasslike herb 
2024 richard mcneill
2024 richard mcneill
2018 Matt Berger
|
|
Claytonia perfoliata Miners lettuce, Miner's lettuce, Rooreh (Ohlone)
native
Annual herb 
2008 Steve Matson
2019 Gary McDonald
2020 Ron Vanderhoff
|
|
Clematis ligusticifolia Creek clematis, Western white clematis, Yerba de chiva
native
Perennial herb, Vine 
2018 Diane Etchison
2012 Steve Matson
2012 Steve Matson
|
|
Cleome lutea Yellow bee plant
native
Annual herb 
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Cleome serrulata Rocky mountain bee plant
non-native
Annual herb 
2018 Joe Woods
2018 Joe Woods
2018 Joe Woods
|
|
Coleogyne ramosissima Black brush, Blackbrush
native
Shrub 
2019 Ron Vanderhoff
2015 Steve Matson
2011 Steve Matson
|
|
Collinsia parviflora Few flowered blue eyed mary, Small flowered blue eyed mary, Blue-eyed Mary
native
Annual herb 
2023 Alaine Arslan
2019 Susan McDougall
2022 Mike Russler
|
|
Collomia grandiflora Grand collomia, Large flowered collomia, Mountain collomia
native
Annual herb 
2019 Diane Etchison
2020 Bob Sweatt
2013 BOB CASE
|
|
Collomia linearis Narrow leaved collomia, Slenderleaf collomia, Tiny trumpet
native
Annual herb 
2019 Bob Sweatt
2003 Steve Matson
2003 Steve Matson
|
|
Comandra umbellata ssp. pallida Bastard toad flax, Bastard toadflax, California bastard toadflax
native
Perennial herb (parasitic) 
2018 Steve Matson
2008 Steve Matson
2018 Steve Matson
|
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb 
2019 James Bailey
2013 Toni Corelli
2016 Cynthia Powell
|
|
Convolvulus arvensis Field bindweed, Orchard morningglory
• invasive non-native
Perennial herb, Vine 
2022 Steve Matson
2021 Ron Vanderhoff
2022 Steve Matson
|
|
Convolvulus equitans Small flowered morning glory
• rare native
Annual herb 
2016 Ron Vanderhoff
2017 James Bailey
2023 David Gowen
|
|
Conyza canadensis Canada horseweed
native
Annual herb 
2017 Gary McDonald
2017 Gary McDonald
2022 Mike Russler
|
|
Conyza canadensis var. pusilla Canada horseweed
native
Annual herb
2017 Gary McDonald
2017 Gary McDonald
2022 Mike Russler
|
|
Corallorrhiza maculata Spotted coralroot, Summer coral root, Summer coralroot
native
Perennial herb 
2023 Steve Conger
2013 BOB CASE
2018 Rick Wachs
|
|
Cordylanthus parviflorus Purple bird's beak
• rare native
Annual herb (hemiparasitic) 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Cornus sericea American dogwood, Creek dogwood, Redosier dogwood
native
Shrub 
2023 Ellen Uhler
2018 Hayley Ross
2016 Suzanne L. Weakley
|
|
Cornus sericea ssp. sericea American dogwood, Creek dogwood, Red osier dogwood
native
Shrub 
2003 Steve Matson
2019 Richard Spjut
2020 Doug Allshouse
|
|
Cortaderia selloana Uruguayan pampas grass
• invasive non-native
Perennial grass 
2022 Ken-ichi Ueda
2023 Randall English
2022 Ron Vanderhoff
|
|
Corydalis aurea Golden corydalis, Scrambled eggs
native
Annual, Perennial herb 
2005 Steve Matson
2005 Steve Matson
2010 Barry Breckling
|
|
Corydalis aurea ssp. aurea Golden corydalis, Scrambled eggs
native
Annual, Perennial herb
2005 Steve Matson
2005 Steve Matson
2010 Barry Breckling
|
|
Crepis capillaris Hawksbeard, Smooth hawk's beard, Smooth hawksbeard
non-native
Annual, Perennial herb 
2003 Steve Matson
2003 Steve Matson
2019 Randy Huey
|
|
Crepis intermedia Intermediate hawksbeard, Limestone hawksbeard
native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Crepis occidentalis Largeflower hawksbeard, Western hawk's beard, Western hawksbeard
native
Perennial herb 
2006 Gerald Carr
2006 Steve Matson
2006 Gerald Carr
|
|
Crepis runcinata ssp. glauca Fiddleleaf hawksbeard, Meadow hawksbeard
• rare native
Perennial herb 
2008 Steve Matson
2014 Gerald Carr
2013 Steve Matson
|
|
Crossosoma bigelovii Bigelow crossosoma, Bigelow's ragged rock flower, Ragged rockflower
native
Shrub 
2022 Eric Engles
2019 Richard Spjut
2020 Matt Berger
|
|
Crossosoma bigelovii var. bigelovii Bigelow crossosoma, Bigelow's ragged rock flower, Ragged rockflower
native
Shrub
2022 Eric Engles
2019 Richard Spjut
2020 Matt Berger
|
|
Cryptantha angustifolia Narrow-leaved johnstonella
native
Annual herb 
2005 Steve Matson
2005 Steve Matson
2009 Steve Matson
|
|
Cryptantha barbigera Bearded cryptantha, Bearded forget me not
native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Cryptantha cinerea var. cinerea James' cryptantha
native
Perennial herb 
2010 Steve Matson
2010 Steve Matson
2015 John Doyen
|
|
Cryptantha cinerea var. jamesii James' cryptantha
native
Perennial herb
2010 Steve Matson
2010 Steve Matson
2015 John Doyen
|
|
native
Annual herb 
2020 Matt Berger
2022 Steve Matson
2021 Mike Russler
|
|
Cryptantha confertiflora Yellow-flowered oreocarya
native
Perennial herb 
2020 Matt Berger
2011 Steve Matson
2023 Bob Steele
|
|
Cryptantha decipiens Granel forget me not, Gravel cryptantha, Gravelbar cryptantha
native
Annual herb  2007 Neal Kramer
 2016 Keir Morse
 2016 Keir Morse
|
|
Cryptantha fendleri Sand dune cryptantha
• rare native
Annual herb 
2017 Robert L.Carr
2017 Robert L.Carr
2017 Robert L.Carr
|
|
Cryptantha flavoculata Yellow-eyed oreocarya
native
Perennial herb 
2011 Steve Matson
2017 Steve Matson
2011 Steve Matson
|
|
Cryptantha gracilis Narrowstem cryptantha, Slender cryptantha, Slensder forget me not
native
Annual herb 
2009 Steve Matson
2009 Steve Matson
2009 Steve Matson
|
|
Cryptantha holoptera winged cryptantha
• rare native
Annual herb 
2020 Matt Berger
2020 Matt Berger
2020 Matt Berger
|
|
Cryptantha maritima Guadalupe cryptantha, Guadalupe island cryptantha, White haired forget me not
native
Annual herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Cryptantha micrantha Purple root cryptantha, Purple rooted forget me not, Redroot cryptantha
native
Annual herb 
2022 Ryan O'Dell
2019 Diane Etchison
2019 Diane Etchison
|
|
Cryptantha nevadensis Nevada cryptantha, Nevada forget me not
native
Annual herb 
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Cryptantha pterocarya Winged nut forget me not, Wingnut cryptantha
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2019 Diane Etchison
|
|
Cryptantha pterocarya var. cycloptera Tucson cryptantha
native
Annual herb  2012 Keir Morse
 2012 Keir Morse
 2012 Keir Morse
|
|
Cryptantha racemosa Shrubby johnstonella
native
Annual herb 
2015 Steve Matson
2009 Steve Matson
2016 Steve Matson
|
|
Cryptantha recurvata Curve nut cryptantha, Curvenut cryptantha
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2020 Steve Matson
|
|
Cryptantha utahensis Scented cryptantha, Scented forget me not
native
Annual herb 
2015 Steve Matson
2015 Steve Matson
2020 Steve Matson
|
|
Cryptantha virginensis Virgin River oreocarya
native
Perennial herb 
2009 Steve Matson
2009 Steve Matson
2006 Steve Matson
|
|
Cucurbita foetidissima Calabazilla, Missouri gourd, Mock orange
native
Perennial herb, Vine 
2014 Steve Matson
2014 Steve Matson
2021 Ron Vanderhoff
|
|
Cucurbita palmata Coyote gourd, Coyote melon
native
Annual, Perennial herb 
2022 Steve Matson
2012 George Butterworth
2022 Steve Matson
|
|
Cuscuta californica California dodder, Chaparral dodder
native
Annual herb, Vine (parasitic) 
2019 Ron Vanderhoff
2018 David popp
2019 stephen rosenthal
|
|
Cuscuta pentagona var. pentagona Five angled dodder, Fiveangled dodder, Western field dodder
native
Annual herb, Vine (parasitic)  © 2016 Keir Morse
 2016 Keir Morse
 2016 Keir Morse
|
|
Cymopterus multinervatus Arizona cymopterus, Purplenerve springparsley
• rare native
Perennial herb 
2022 Jon Rebman
2022 Jon Rebman
2022 Jon Rebman
|
|
Cymopterus purpurascens Purple cymopterus, Widewing springparsley
native
Perennial herb 
2018 Steve Matson
2019 Steve Matson
2016 Steve Matson
|
|
Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass 
2021 Ron Vanderhoff
2020 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Cynoglossum officinale Gypsyflower, Hound's tongue, Purple houndstongue
• invasive non-native
Perennial herb 
2019 Raymond Gill
2019 Raymond Gill
2019 Raymond Gill
|
|
Cyperus erythrorhizos Red rooted cyperus, Redroot flatsedge
native
Annual grasslike herb  2003 Steve Matson
|
|
Cyperus esculentus Chufa flatsedge, Nut grass, Yellow nutgrass
native
Perennial grasslike herb 
2020 Ron Vanderhoff
2015 Gerald Carr
2019 Ron Vanderhoff
|
|
Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern
native
Fern 
2020 Bob Sweatt
2021 Mike Russler
2023 Ken-ichi Ueda
|
|
Dactylis glomerata Orchard grass, Orchardgrass
• invasive non-native
Perennial grass 
2018 Jennifer Mo
2020 Jim Richards
2017 Gary McDonald
|
|
Dalea searlsiae Searls' prairie clover
native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Danthonia intermedia Timber oatgrass
native
Perennial grass 
2019 David Greenberger
2010 Keir Morse
2007 Steve Matson
|
|
Dasyochloa pulchella Low woollygrass
native
Perennial grass 
2022 Steve Matson
2022 Steve Matson
2021 Keir Morse
|
|
Datura wrightii Jimsonweed, Sacred thorn apple, Toluaca
native
Perennial herb 
2017 Lisa Miller
2019 Ron Vanderhoff
2020 Mike McNamara
|
|
Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb 
2019 Diane Etchison
2022 David Wolfson
2021 Ken Lunders
|
|
Delphinium nuttallianum Low larkspur, Meadow larkspur, Dwarf, Meadow, Slim or Sonne's Larkspur
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Delphinium parishii Desert larkspur, Parish's larkspur
native
Perennial herb 
2008 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Delphinium scaposum Tall mountain larkspur
• rare native
Perennial herb  2010 Lee Dittmann
 2010 Lee Dittmann
 2012 James M. Andre
|
|
Deschampsia caespitosa California hairgrass, Tufted hair grass, Tufted hairgrass
native
Perennial grass 
2022 Justin Luong
2022 Dianne Lake
2022 Dianne Lake
|
|
Deschampsia elongata Hairgrass, Slender hairgrass
native
Perennial grass 
2021 John Rawlings
2021 John Rawlings
2023 Robert Steers
|
|
Descurainia californica Sierra tansy mustard, Sierra tansymustard
native
Perennial herb 
2012 Steve Matson
2012 Steve Matson
1999 Larry Blakely
|
|
Descurainia incana ssp. incisa Mountain tansy mustard
native
Annual, Biennial herb  2018 Susan McDougall
 2018 Susan McDougall
|
|
Descurainia obtusa Blunt tansymustard
native
Perennial herb 
2008 Paul Preston
2008 Paul Preston
2008 Paul Preston
|
|
Descurainia obtusa ssp. obtusa Blunt tansymustard
native
Perennial herb
2008 Paul Preston
2008 Paul Preston
2008 Paul Preston
|
|
Descurainia pinnata Western tansy mustard, Western tansymustard, Yellow tansy mustard
native
Annual herb 
2018 Nancy Hamlett
2022 Steve Matson
2022 Steve Matson
|
|
Descurainia pinnata ssp. glabra Smooth western tansy mustard, Western tansymustard, Yellow tansy mustard
native
Annual herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Descurainia pinnata ssp. halictorum Alkali western tansy mustard, Western tansymustard
native
Annual herb 
2020 Debra Valov
2020 Debra Valov
2020 Debra Valov
|
|
Descurainia sophia Flix weed, Herb sophia
• invasive non-native
Annual herb 
2014 Steve Matson
2021 R.A. Chasey
2014 Steve Matson
|
|
Dichanthelium acuminatum var. fasciculatum Pacific panic grass
native
Perennial grass 
2021 R.A. Chasey
2016 Steve Matson
2016 Steve Matson
|
|
Dichelostemma capitatum ssp. pauciflorum Few flowered blue dicks
native
2023 richard mcneill
2014 Mary Merriman
2019 John Doyen
|
|
Dicoria canescens Desert dicoria, Desert twinbugs
native
Annual herb 
2020 Don M. Davis
2020 Don M. Davis
2020 Angelique Herman
|
|
Dicoria canescens ssp. brandegeei Desert dicoria, Desert twinbugs
native
Annual herb
2020 Don M. Davis
2020 Don M. Davis
2020 Angelique Herman
|
|
Digitaria californica Arizona cottontop
native
Perennial grass 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Digitaria sanguinalis Hairy crabgrass
non-native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2019 Jennifer Mo
|
|
Diplachne uninervia Mexican sprangletop
native
Annual grass 
2009 Ron Vanderhoff
2012 James M. Andre
2016 Neil Uelman
|
|
Distichlis spicata Inland saltgrass, Salt grass, Saltgrass
native
Perennial grass 
2020 Matt Berger
2019 Ron Vanderhoff
2022 Donald Burk
|
|
Dodecatheon pulchellum Beautiful shooting star, Dark throat shooting star
• rare native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Draba cuneifolia Wedge leaved draba, Wedgeleaf draba
native
Annual herb 
2019 Matt Berger
2006 Steve Matson
2023 Ron Vanderhoff
|
|
Draba cuneifolia var. integrifolia Wedge leaved draba, Wedgeleaf draba
native
Annual herb
2019 Matt Berger
2006 Steve Matson
2023 Ron Vanderhoff
|
|
Dryopteris filix-mas Male fern
• rare native
Fern (rhizomatous)  2010 Louis-M. Landry
 2006 Louis-M. Landry
 2010 Louis-M. Landry
|
|
Dudleya pulverulenta ssp. arizonica Arizona chalk dudleya
native
Perennial herb 
2020 Matt Berger
2017 Diane Etchison
2023 Alaine Arslan
|
|
Echinocactus polycephalus Cottontop cactus
native
Shrub (stem succulent) 
2022 Mike Russler
2022 Mike Russler
2022 Steve Matson
|
|
Echinocactus polycephalus var. polycephalus Many-headed barrel cactus, Cotton top cactus, Cottontop cactus
native
Shrub (stem succulent) 
2019 Dan Fillipi
2012 Keir Morse
2016 James Gonsman
|
|
Echinocactus polycephalus var. xeranthemoides Cottontop cactus
native
Shrub (stem succulent)
2022 Mike Russler
2022 Mike Russler
2022 Steve Matson
|
|
Echinocereus coccineus var. coccineus Scarlet hedgehog cactus
native
Shrub (stem succulent)  2011 Robert Sivinski
 2004 Robert Sivinski
|
|
Echinocereus engelmannii Calico cactus, Engelmann's hedgehog cactus
native
Shrub (stem succulent) 
2016 Steve Matson
2015 Diane Etchison
2014 Timothy Boomer
|
|
Echinocereus triglochidiatus Mojave kingcup cactus
native
Shrub (stem succulent) 
2011 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Echinocereus triglochidiatus var. mojavensis Mojave kingcup cactus
native
Shrub (stem succulent)
2011 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Echinochloa crus-galli Barnyard grass, Japanese millet, Watergrass
non-native
Annual grass 
2016 Barbara Boethling
2022 R.A. Chasey
2008 Zoya Akulova
|
|
Elaeagnus angustifolia Oleaster, Russian olive
• invasive non-native
Tree, Shrub 
2012 Tim Gibson
2019 Joe Woods
2022 Joe Woods
|
|
Elatine brachysperma Short seed waterwort, Shortseed waterwort
native
Annual, Perennial herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Elatine rubella Southwestern waterwort
native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Eleocharis acicularis Needle spike rush, Needle spikerush
native
Perennial grasslike herb 
2022 Ken-ichi Ueda
2021 Ron Vanderhoff
2019 Julia King
|
|
Eleocharis engelmannii Engelmann's spikerush
native
Annual grasslike herb 
2023 David popp
2003 Steve Matson
2003 Steve Matson
|
|
Eleocharis palustris Common spikerush
native
Perennial grasslike herb 
2011 Gerald Carr
2011 Gerald Carr
2020 Ron Vanderhoff
|
|
Eleocharis parishii Parish's spike rush, Parish's spikerush
native
Perennial grasslike herb 
2014 Steve Matson
2014 Steve Matson
2018 Rachelle Gray
|
|
Eleocharis radicans Creeping spikerush, Rooted spikerush
native
Perennial grasslike herb 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Eleocharis rostellata Beaked spikerush, Walking sedge
native
Perennial grasslike herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Elodea canadensis Canadian waterweed, Common water weed, Elodea
native
Perennial herb 
2000 Bob Sweatt
2019 David popp
2020 R.A. Chasey
|
|
Elymus canadensis Canada wild rye, Canada wildrye
non-native
Perennial grass  2006 Louis-M. Landry
 2008 Louis-M. Landry
|
|
Elymus elymoides Bottlebrush squirreltail, Squirrel tail grass, Squirreltail
native
Perennial grass 
2022 Steve Matson
2012 Robert L. Carr
2012 Robert L. Carr
|
|
Elymus elymoides ssp. brevifolius Squirrel tail grass
native
Perennial grass 
2012 Robert L. Carr
2012 Robert L. Carr
2012 Robert L. Carr
|
|
Elymus elymoides ssp. elymoides Squirrel tail grass
native
Perennial grass 
2020 Susan McDougall
2020 Susan McDougall
2012 Dylan Neubauer
|
|
Elymus glaucus Blue wildrye
native
Perennial grass 
2020 Denise Defreese
2019 Patrick Furtado
2018 Cynthia Powell
|
|
Elymus lanceolatus ssp. lanceolatus Northern wheatgrass, Streambank wheatgrass, Thick spiked wheatgrass
native
Perennial grass 
2012 Gerald Carr
2012 Gerald Carr
2012 Gerald Carr
|
|
Elymus multisetus Big squirreltail grass
native
Perennial grass 
2019 Ron Vanderhoff
2023 Helen Hancock
2021 Denise Defreese
|
|
Elymus repens Quack grass
non-native
Perennial grass  2005 Louis-M. Landry
 2005 Louis-M. Landry
 2008 Keir Morse
|
|
Elymus trachycaulus Slender wheatgrass
native
Perennial grass 
2021 Julian Geoghegan
2016 Andrew Longman
2020 Diana Wahl
|
|
Elymus trachycaulus ssp. subsecundus Slender wheatgrass
native
Perennial grass 
2022 John Rawlings
2019 Ken Hickman
2019 Ken Hickman
|
|
Elymus trachycaulus ssp. trachycaulus Slender wheatgrass
native
Perennial grass
2022 John Rawlings
2019 Ken Hickman
2019 Ken Hickman
|
|
Encelia farinosa Brittlebush, Goldenhills, Incienso
native
Shrub 
2020 Ron Vanderhoff
2016 Steve Matson
2022 Ron Vanderhoff
|
|
Encelia frutescens Bush encelia, Button brittlebush, Button encelia
native
Shrub 
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Encelia frutescens var. resinosa Bush encelia, Button brittlebush, Button encelia
native
Shrub
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Encelia virginensis Encelia, Virgin river brittlebush, Virgin river encelia
native
Shrub  2007 Jason E. Willand
 2005 James M. Andre
 2007 Jason E. Willand
|
|
Enceliopsis nudicaulis Naked stemmed daisy, Nakedstem sunray
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Enneapogon desvauxii Nine awned pappus grass, Nineawn pappusgrass
• rare native
Perennial grass 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Ephedra fasciculata Mormon tea, Rough jointfir
native
Shrub 
2013 Mellisa Yin
2019 Belinda Lo
2019 Belinda Lo
|
|
Ephedra nevadensis Nevada ephedra, Nevada jointfir, Nevada mormon tea
native
Shrub 
2014 Steve Matson
2014 Steve Matson
2007 Steve Matson
|
|
Ephedra torreyana Torrey's jointfir
• rare native
Shrub  2019 Belinda Lo
 2019 Belinda Lo
 2019 Belinda Lo
|
|
Ephedra viridis Green ephedra, Mormon tea, Mountain ephedra
native
Shrub 
2021 Bryant Baker
2021 Bryant Baker
2021 Bryant Baker
|
|
Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb
native
Annual herb 
2023 Mary Ann Machi
2019 Ramona Robison
2020 Ron Vanderhoff
|
|
Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Epilobium halleanum Hall's willowherb
native
Perennial herb 
2005 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Epipactis gigantea Giant helleborine, Stream orchid, Stream orchis
native
Perennial herb 
2016 Barry Rice
2020 Ron Vanderhoff
2018 Anna Sereno
|
|
Equisetum arvense Common horsetail rush, Common horsetail, field horsetail, Field horsetail
native
Fern 
2022 Suzanne L. Weakley
2021 Cynthia Powell
2016 Cynthia Powell
|
|
Equisetum hyemale Scouringrush horsetail
native
Fern 
2021 Mary Gerbic
2021 Ron Vanderhoff
2016 David popp
|
|
Equisetum laevigatum Horsetail, Smooth horsetail, Smooth scouring rush
native
Fern 
2020 David popp
2021 Ron Vanderhoff
2021 Richard Spjut
|
|
Equisetum Xferrissii Ferris' horsetail
native
Fern 
2018 Gerald Carr
2018 Gerald Carr
2018 Gerald Carr
|
|
Eragrostis cilianensis Stinkgrass
non-native
Annual grass 
2021 Donald Burk
2012 Keir Morse
2021 Donald Burk
|
|
Eragrostis curvula Weeping lovegrass
non-native
Perennial grass 
2020 Donald Burk
2020 Donald Burk
2020 Donald Burk
|
|
Eragrostis mexicana Mexican lovegrass
native
Annual grass 
2023 R.A. Chasey
2022 Ron Vanderhoff
2023 R.A. Chasey
|
|
Eragrostis pectinacea Tufted lovegrass
native
Annual grass 
2016 Keir Morse
2022 David popp
2007 Steve Matson
|
|
Eragrostis pectinacea var. pectinacea Tufted lovegrass
native
Annual grass  2007 Steve Matson
2007 Steve Matson
 2007 Steve Matson
|
|
Eriastrum diffusum Miniature wool star, Miniature eriastrum, Miniature woollystar
native
Annual herb 
2020 Steve Matson
2020 Steve Matson
2020 Steve Matson
|
|
Eriastrum eremicum Desert woollystar
native
Annual herb 
2019 Diane Etchison
2017 Ashley Olive
2020 David Greenberger
|
|
Ericameria laricifolia Turpentine brush, Turpentine bush
native
Shrub  2004 James M. Andre
 2005 James M. Andre
 2010 Jean Pawek
|
|
Ericameria nauseosa Rubber rabbitbrush
native
Shrub 
2018 Richard Spjut
2010 Gerald Carr
2010 Gerald Carr
|
|
Ericameria nauseosa ssp. consimilis var. juncea Rubber rabbitbrush
native
Shrub 
2012 James Gonsman
2016 Steve Matson
2016 Steve Matson
|
|
Ericameria nauseosa ssp. consimilis var. leiosperma Common rabbitbrush
native
Shrub 
2021 R.A. Chasey
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Ericameria nauseosa ssp. nauseosa var. hololeuca Common rabbitbrush
native
Shrub 
2024 Manzanita Dictionary
2022 Steve Matson
2022 Steve Matson
|
|
Ericameria paniculata Mojave rabbitbrush, Black-banded rabbitbrush
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Ericameria parryi var. nevadensis Parry's rabbitbrush
native
Shrub 
2021 Ryan Carle
2021 Mike Russler
2021 Ryan Carle
|
|
Erigeron concinnus Navajo fleabane
native
Shrub (stem succulent)  2004 James M. Andre
 2004 James M. Andre
 2010 Neal Kramer
|
|
Erigeron concinnus var. subglaber Navajo fleabane
native
Shrub (stem succulent) 2004 James M. Andre
2004 James M. Andre
2010 Neal Kramer
|
|
Erigeron divergens Diffuse daisy, Spreading fleabane
native
Biennial, Perennial herb 
2022 Mike Russler
2023 Donald Burk
2021 Mike Russler
|
|
Erigeron eatonii Eaton's daisy
native
Perennial herb 
2012 Gerald Carr
2012 Gerald Carr
2012 Gerald Carr
|
|
Erigeron formosissimus Beautiful fleabane
non-native
Perennial herb  2004 Robert Sivinski
 2004 Robert Sivinski
|
|
Erigeron lobatus Diffuse daisy, Spreading fleabane
native
Biennial, Perennial herb
2022 Mike Russler
2023 Donald Burk
2021 Mike Russler
|
|
Erigeron utahensis Utah fleabane
• rare native
Perennial herb  2015 Ron Wolf
 2015 Ron Wolf
 2014 Ron Wolf
|
|
Erigeron utahensis var. sparsifolius Utah fleabane
• rare native
Perennial herb 2015 Ron Wolf
2015 Ron Wolf
2014 Ron Wolf
|
|
Erigeron utahensis var. utahensis Utah fleabane
• rare native
Perennial herb 2015 Ron Wolf
2015 Ron Wolf
2014 Ron Wolf
|
|
Eriogonum brachypodum Parry's buckwheat
native
Annual herb 
2015 Steve Matson
2015 Steve Matson
2022 Steve Matson
|
|
Eriogonum cernuum Nodding buckwheat
native
Annual herb 
2015 Steve Matson
2011 Steve Matson
2015 Steve Matson
|
|
Eriogonum deflexum Flat topped buckwheat, Flatcrown buckwheat, Skeleton weed
native
Annual herb 
2023 Mike Russler
2020 Angelique Herman
2017 Keir Morse
|
|
Eriogonum deflexum var. deflexum Flat topped buckwheat, Flatcrown buckwheat
native
Annual herb 
2019 Matt Berger
2011 Steve Matson
2011 Steve Matson
|
|
Eriogonum ericifolium var. pulchrum Small Tree-Mallow
|
|
Eriogonum fasciculatum var. polifolium California buckwheat, Eastern mojave buckwheat
native
Shrub 
2022 Steve Matson
2022 Steve Matson
2022 Ron Vanderhoff
|
|
Eriogonum heermannii var. subracemosum Heerman buckwheat, Heermann's buckwheat
native
Shrub 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Eriogonum heermannii var. subspinosum Heerman buckwheat, Heermann's buckwheat
native
Shrub
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Eriogonum heermannii var. sulcatum Heermann's buckwheat
native
Shrub 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Eriogonum inflatum Desert trumpet
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Eriogonum inflatum var. inflatum Reveal's buckwheat
• rare native
Annual herb 
2020 Matt Berger
2020 Matt Berger
2016 Steve Matson
|
|
Eriogonum maculatum Angle stermed buckwheat, Spotted buckwheat
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Eriogonum microthecum Slender buckwheat
native
Perennial herb 
2011 Steve Matson
2021 Bob Sweatt
2019 Matt Berger
|
|
Eriogonum microthecum var. laxiflorum Great basin wild buckwheat
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Eriogonum microthecum var. simpsonii Simpson's wild buckwheat
native
Perennial herb 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Eriogonum ovalifolium Cushion buckwheat, Oval leaved eriogonum
native
Perennial herb 
2022 R.A. Chasey
2019 Steve Matson
2019 Steve Matson
|
|
Eriogonum ovalifolium var. ovalifolium Cushion buckwheat
native
Perennial herb 
2017 Tim Messick
2005 Steve Matson
2005 Steve Matson
|
|
Eriogonum palmerianum Palmer's buckwheat
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Eriogonum plumatella Flat topped buckwheat, Yucca buckwheat
native
Shrub 
2020 R.A. Chasey
2020 R.A. Chasey
2020 Matt Berger
|
|
Eriogonum thomasii Thomas eriogonum, Thomas' buckwheat
native
Annual herb 
2020 Matt Berger
2020 Matt Berger
2022 Mike Russler
|
|
Eriogonum trichopes Little desert buckwheat, Little deserttrumpet, Little trumpet
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Eriogonum umbellatum Sulphur buckwheat, Sulphur flower buckwheat
native
Perennial herb 
2005 Steve Matson
2010 Steve Matson
2017 Steve Matson
|
|
Eriogonum umbellatum var. cognatum Sulphur buckwheat, Sulphur flower buckwheat
native
Perennial herb
2005 Steve Matson
2010 Steve Matson
2017 Steve Matson
|
|
Eriogonum umbellatum var. majus Sulphur buckwheat, Sulphur flower buckwheat
native
Perennial herb
2005 Steve Matson
2010 Steve Matson
2017 Steve Matson
|
|
Eriogonum umbellatum var. subaridum Desert sulfur buckwheat, Sulphur flower buckwheat
native
Perennial herb 
2011 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Eriogonum wrightii Bastardsage, Wright's buckwheat
native
Perennial herb, Shrub 
2020 Bob Sweatt
2019 Steve Matson
2020 Bob Sweatt
|
|
Erioneuron pilosum Hairy erioneuron, Hairy woollygrass
• rare native
Perennial grass 
2020 Matt Berger
2011 Duncan S. Bell
2013 Justy Leppert
|
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb 
2022 Steve Matson
2008 Steve Matson
2022 Steve Matson
|
|
Erodium texanum Desert heron's bill, Texas filaree, Texas stork's bill
native
Annual herb 
2019 Matt Berger
2019 Matt Berger
2010 Steve Matson
|
|
Erysimum capitatum var. capitatum Sanddune wallflower
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Erysimum capitatum var. purshii Pursh's wallflower
native
Perennial herb  2009 Lee Dittmann
 2009 Lee Dittmann
|
|
Erysimum repandum Spreading wallflower, Treaclemustard
non-native
Annual herb 
2011 Gerald Carr
2011 Gerald Carr
2011 Gerald Carr
|
|
Eschscholzia californica California poppy
native
Annual, Perennial herb 
2019 Dee Shea Himes
2021 Ron Vanderhoff
2019 Amy Rapport
|
|
Eschscholzia californica ssp. mexicana Desert california poppy
native
Annual, Perennial herb  2010 James M. Andre
 2006 Chris Wagner, SBNF
 2010 James M. Andre
|
|
Eschscholzia glyptosperma Desert gold poppy, Desert golden poppy, Desert poppy
native
Annual herb 
2019 Matt Berger
2020 John Game
2022 Mike Russler
|
|
Eschscholzia minutiflora Coville s poppy, Pygmy poppy
native
Annual herb 
2020 Diane Etchison
2022 Steve Matson
2017 Diane Etchison
|
|
Escobaria vivipara var. arizonica Spinystar
native
Shrub (stem succulent) 
2010 John Game
2009 James M. Andre
2010 John Game
|
|
Escobaria vivipara var. vivipara Spinystar
native
Shrub (stem succulent)
2010 John Game
2009 James M. Andre
2010 John Game
|
|
Eucnide urens Desert bush nettle, Desert rocknettle, Desert stingbush
native
Shrub 
2011 Steve Matson
2020 Matt Berger
2019 Matt Berger
|
|
Eucrypta chrysanthemifolia var. bipinnatifida Common eucrypta, Spotted hideseed, Torrey eucrypta
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2006 Steve Matson
|
|
Eucrypta micrantha Dainty desert hideseed, Desert eucrypta, Small flowered eucrypta
native
Annual herb 
2017 Steve Matson
2017 Steve Matson
2020 David Greenberger
|
|
Euphorbia eriantha Beetle spurge
native
Annual herb 
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Euphorbia incisa Mojave spurge
native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Euphorbia palmeri Woodland spurge
native
Perennial herb 
2019 Diane Etchison
2019 Diane Etchison
2021 Arlee Montalvo
|
|
Euthamia occidentalis Western flat topped goldenrod, Western goldenrod, Western goldentop
native
Perennial herb 
2021 Steve Matson
2018 Ron Vanderhoff
2021 R.A. Chasey
|
|
Fendlerella utahensis Utah fendlerbush, Yerba desierto
• rare native
Shrub 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Ferocactus cylindraceus var. cylindraceus Barrel cactus, California barrel cactus
native
Shrub (stem succulent) 
2019 Matt Berger
2017 Dan Fillipi
2016 Anna Wolfe
|
|
Ferocactus cylindraceus var. eastwoodiae Barrel cactus, California barrel cactus
native
Shrub (stem succulent)
2019 Matt Berger
2017 Dan Fillipi
2016 Anna Wolfe
|
|
Ferocactus cylindraceus var. lecontei Barrel cactus, California barrel cactus
native
Shrub (stem succulent)
2019 Matt Berger
2017 Dan Fillipi
2016 Anna Wolfe
|
|
Festuca brachyphylla ssp. coloradensis Short leaved fescue
native
Perennial grass  © 2016 Dean Wm. Taylor
 2016 Dean Wm. Taylor
|
|
Festuca idahoensis Blue bunchgrass, Blue fescue, Idaho fescue
native
Perennial grass 
2016 Brett Dean
2020 Paul Aigner
2016 Andrew Longman
|
|
Festuca rubra Red fescue
native
Perennial grass 
2012 Ove Anderson
2022 John Rawlings
2018 Alexandra Kookootsedes
|
|
Festuca trachyphylla Hard fescue, Rough leaved fescue
non-native
Perennial grass  2006 Louis-M. Landry
|
|
Ficus carica Common fig, Edible fig
• invasive non-native
Tree 
2019 Ron Vanderhoff
2022 Ron Vanderhoff
2018 Vicki Salazar
|
|
Filago californica California cottonrose
native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Fimbristylis thermalis Hot springs fimbristylis, Hot springs fimbry
• rare native
Perennial grasslike herb (rhizomatous) 
2020 Matt Berger
2010 Steve Matson
2019 Matt Berger
|
|
Forestiera pubescens Desert olive, Stretchberry
native
Shrub 
2012 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Fouquieria splendens Jacob's staff, Ocotillo
native
Shrub 
2018 Anna Wolfe
2017 Dan Fillipi
2022 Emily Sluiman
|
|
Fragaria virginiana Mountain strawberry, Scarlet strawberry, Virginia strawberry
native
Perennial herb 
2020 Bob Sweatt
2005 George Rembert
2017 Rebecca Schoenenberger
|
|
Fragaria virginiana ssp. glauca Mountain strawberry, Scarlet strawberry, Virginia strawberry
native
Perennial herb
2020 Bob Sweatt
2005 George Rembert
2017 Rebecca Schoenenberger
|
|
Frasera speciosa Monument plant
native
Perennial herb 
2019 Zachary Snider
2012 Gerald Carr
2015 Cynthia Powell
|
|
Fraxinus anomala Dwarf ash, Single leaf ash, Single leaved ash
native
Tree, Shrub 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Fraxinus velutina Arizona ash, Velvet ash
native
Tree 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2013 Ron Vanderhoff
|
|
Fritillaria atropurpurea Mountain fritillary, Purple fritillary, Spotted fritillary
native
Perennial herb 
2005 Steve Matson
2005 Steve Matson
2011 Steve Matson
|
|
Funastrum cynanchoides Fringed twinevine
native
Perennial herb 
2010 Steve Matson
2017 Bonnie Nickel
2010 Steve Matson
|
|
Funastrum cynanchoides ssp. cynanchoides Fringed twinevine
native
Perennial herb
2010 Steve Matson
2017 Bonnie Nickel
2010 Steve Matson
|
|
Funastrum cynanchoides ssp. heterophyllum Climbing milkweed
native
Perennial herb
2017 Bonnie Nickel
2017 Alexander S. Kunz
2019 Ron Vanderhoff
|
|
Funastrum hirtellum Hairy milkweed
native
Perennial herb, Vine 
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb 
2020 Ron Vanderhoff
2005 Steve Matson
2020 Ron Vanderhoff
|
|
Galium bifolium Low mountain bedstraw, Twinleaf bedstraw
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Galium proliferum Desert bedstraw, Limestone bedstraw
• rare native
Annual herb  2011 Duncan S. Bell
 2011 Teague Embrey
 2011 Duncan S. Bell
|
|
Galium stellatum ssp. eremicum Starry bedstraw
native
Shrub 
2019 Matt Berger
2019 Matt Berger
2017 Bonnie Nickel
|
|
Galium trifidum Three petaled bedstraw, Threepetal bedstraw, Trifid bedstraw
native
Perennial herb 
2020 Alaine Arslan
2022 Mike Russler
2005 Steve Matson
|
|
Galium trifidum ssp. subbiflorum Threepetal bedstraw
native
Perennial herb 
2022 David popp
2022 David popp
2023 David popp
|
|
Galium triflorum Fragrant bedstraw, Sweet bedstraw, Sweet scented bedstraw
native
Annual herb 
2022 Ken-ichi Ueda
2022 Ken-ichi Ueda
2018 Ken Hickman
|
|
Galium watsonii Kellogg's bedstraw, Many flowered bedstraw, Shrubby bedstraw
native
Perennial herb 
2005 Steve Matson
2005 Steve Matson
2011 Steve Matson
|
|
Garrya flavescens Ashy silk tassel, Ashy silktassel
native
Shrub 
2020 Diane Etchison
2023 Ryan O'Dell
2020 Ron Vanderhoff
|
|
Gaura coccinea Wild honeysuckle, linda tarde
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Gaura mollis Lizard-tail, velvet weed
non-native
Perennial herb 
2019 Jane Kelly
2007 Trent M. Draper
2007 Trent M. Draper
|
|
Gayophytum diffusum Diffuse gayophytum, Gayophytum, Spreading groundsmoke
native
Annual herb 
2019 Diane Etchison
2011 BOB CASE
2019 Diane Etchison
|
|
Gayophytum diffusum ssp. parviflorum Diffuse gayophytum, Small flowered groundsmoke, Spreading groundsmoke
native
Annual herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Gayophytum ramosissimum Pinyon gayophytum, Pinyon groundsmoke
native
Annual herb 
2009 Gerald Carr
2009 Gerald Carr
2009 Gerald Carr
|
|
Gentiana affinis Pleated gentian
native
Perennial herb 
2019 David Greenberger
2022 Zoya Akulova-Barlow
2022 Dee Shea Himes
|
|
Gentianella amarella Autumn dwarf gentian
native
Annual herb 
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Gentianella amarella ssp. acuta Autumn dwarf gentian
native
Annual herb
2010 Steve Matson
2010 Steve Matson
2016 Steve Matson
|
|
Gentianella amarella ssp. heterosepala Autumn dwarf gentian
native
Annual herb
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Geranium richardsonii Richardson's geranium
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2018 Steve Matson
|
|
Geum aleppicum Aleppo avens, Yellow avens
• rare native
Perennial herb  2010 Louis-M. Landry
 2008 Louis-M. Landry
 2010 Louis-M. Landry
|
|
Gilia filiformis Yellow gilia
native
Annual herb 
2017 Steve Matson
2011 Steve Matson
2019 Matt Berger
|
|
Gilia hutchinsifolia Desert pale gilia
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Gilia latifolia Broad leaf gilia
native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2015 Steve Matson
|
|
Gilia leptomeria Sand aliciella
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Gilia ophthalmoides Eyed gilia
native
Annual herb 
2006 Steve Matson
2010 James M. Andre
2016 John Doyen
|
|
Gilia scopulorum Rock gilia
native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2022 Alexander S. Kunz
|
|
Gilia sinuata Cinder gilia, Rosy gilia
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Glandularia gooddingii Southwestern mock vervain
native
Perennial herb 
2008 Steve Matson
2016 James Gonsman
2008 Steve Matson
|
|
Glossopetalon spinescens var. aridum Spiny greasebush
native
Shrub 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Glyceria borealis Northern mannagrass, Small floating mannagrass
native
Perennial grass  2008 Louis-M. Landry
 2008 Louis-M. Landry
 2008 Louis-M. Landry
|
|
Glyceria striata Fowl mannagrass
native
Perennial grass 
2007 Keir Morse
2023 Mary Merriman
2007 Keir Morse
|
|
Glycyrrhiza lepidota American licorice, Lichorice, Wild licorice
native
Perennial herb 
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Gnaphalium palustre Lowland cudweed, Western marsh cudweed
native
Annual herb 
2019 Ron Vanderhoff
2005 Steve Matson
2019 Ron Vanderhoff
|
|
Goodyera oblongifolia Rattlesnake plantain, Western rattlesnake plantain
native
Perennial herb 
2020 Bob Sweatt
2019 Glenn Fine
2019 Julie A. Kierstead
|
|
Grayia spinosa Hop sage, Spiny hopsage
native
Shrub 
2019 Diane Etchison
2019 Diane Etchison
2019 Diane Etchison
|
|
Grindelia squarrosa Curlycup gumweed
non-native
Perennial herb 
2020 Ron Vanderhoff
2020 Bob Sweatt
2021 Donald Burk
|
|
Grindelia squarrosa var. serrulata Curlycup gumweed, Great plains resinweed
non-native
Perennial herb 
2018 Ron Vanderhoff
2021 David popp
2020 Ron Vanderhoff
|
|
Guillenia lasiophylla California mustard
native
Annual herb 
2022 Steve Matson
2023 Steve Matson
2010 Steve Matson
|
|
Gutierrezia microcephala Matchweed, Sticky snakeweed, Threadleaf snakeweed
native
Shrub (stem succulent) 
2022 Steve Matson
2013 Steve Matson
2024 Manzanita Dictionary
|
|
Gutierrezia sarothrae Broom snakeweed, Common snakeweed, Matchweed
native
Shrub 
2007 Steve Matson
2007 Steve Matson
2007 Steve Matson
|
|
Hackelia floribunda Many flowered stickseed, Manyflower stickseed
native
Perennial herb  2001 Jeff Abbas
 2010 Ron Wolf
|
|
Hedeoma drummondii Drummond's false pennyroyal
• rare native
Shrub (stem succulent)  2009 Lee Dittmann
 2005 James M. Andre
 2016 Wynn Anderson
|
|
Hedeoma nana Dwarf false pennyroyal
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Hedeoma nana ssp. californica California false pennyroyal
• rare native
Perennial herb
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Hedeoma nana ssp. nana Dwarf false pennyroyal
native
Perennial herb
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Hedera helix English ivy
• invasive non-native
Vine, Shrub 
2019 Claire Mallen
2017 Allison Titus
2022 Catherine Talbot
|
|
Helianthus annuus Common sunflower, Hairy leaved sunflower, Sunflower
native
Annual herb 
2019 Bob Case
2019 Bob Case
2021 Mike Russler
|
|
Helianthus ciliaris Texas blueweed
• invasive non-native
Perennial herb  2001 CDFA
 2001 CDFA
 2001 CDFA
|
|
Helianthus petiolaris Prairie sunflower
non-native
Perennial herb 
2014 Keir Morse
2014 Keir Morse
2014 Keir Morse
|
|
Heliomeris multiflora Showy goldeneye
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Heliomeris multiflora var. multiflora Showy goldeneye
native
Perennial herb
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Heliomeris multiflora var. nevadensis Golden eye, Nevada goldeneye
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Heliotropium convolvulaceum Phlox heliotrope
native
Annual herb  2005 James M. Andre
 2010 Jean Pawek
 2010 Jean Pawek
|
|
Heliotropium curassavicum Chinese parsley, Heliotrope, Salt heliotrope
native
Perennial herb 
2019 Aaron Echols
2021 Mary Wloch
2019 Wyatt Dooley
|
|
Hesperochiron pumilus Dwarf hesperochiron
native
Perennial herb 
2023 Kobi Mills
2021 Dana York
2020 Julie A. Kierstead
|
|
Hesperostipa comata Needle-and-thread
native
Perennial grass 
2009 Steve Matson
2009 Steve Matson
2023 R.A. Chasey
|
|
Hesperostipa comata ssp. comata Needle & thread grass
native
Perennial grass 
2022 Julie A. Kierstead
2021 R.A. Chasey
2015 Steve Matson
|
|
Heteropogon contortus Tanglehead
native
Perennial grass  2008 Steve Matson
 2008 Steve Matson
 2008 Steve Matson
|
|
Heterotheca villosa Hairy false goldenaster, Hairy goldenaster
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Heterotheca villosa var. foliosa Hairy false goldenaster, Hairy goldenaster
native
Perennial herb
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Heterotheca villosa var. minor Hairy false goldenaster
native
Perennial herb
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Heterotheca villosa var. villosa Hairy false goldenaster, Hairy goldenaster
native
Perennial herb
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Heuchera parvifolia Littleleaf alumroot
native
Perennial herb (rhizomatous) 
2009 Steve Matson
2009 Steve Matson
2015 Steve Matson
|
|
Heuchera parvifolia var. arizonica Littleleaf alumroot
native
Perennial herb (rhizomatous)
2009 Steve Matson
2009 Steve Matson
2015 Steve Matson
|
|
Heuchera parvifolia var. flavescens Littleleaf alumroot
native
Perennial herb (rhizomatous)
2009 Steve Matson
2009 Steve Matson
2015 Steve Matson
|
|
Heuchera rubescens Pink alumroot
native
Perennial herb 
2011 Steve Matson
2019 Cynthia Powell
2005 Steve Matson
|
|
Heuchera rubescens var. versicolor Pink alumroot, San diego county alumroot
• rare native
Perennial herb (rhizomatous)  2013 Richard Spellenberg
 2013 Richard Spellenberg
|
|
Hibiscus denudatus Paleface, Rock Hibiscus
native
Perennial herb 
2013 James Gonsman
2023 Irene Rosen
2019 Matt Berger
|
|
Hieracium aurantiacum Orange flowered hawkweed, Orange hawkweed
non-native
Perennial herb  2005 Louis-M. Landry
 2010 Jeff Abbas
|
|
Holodiscus dumosus Cream bush, Ocean spray, Oceanspray
native
Shrub 
2017 Steve Matson
2017 Steve Matson
2022 Steve Matson
|
|
Hordeum brachyantherum Meadow barley
native
Perennial grass 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Hordeum jubatum Fox tail barley, Foxtail barley, Squirreltail barley
native
Perennial grass 
2019 Rachelle Gray
2009 Barry Rice
2009 Zoya Akulova
|
|
Hordeum marinum Seaside barley
• invasive non-native
Annual grass 
2015 Chris Jaster
2017 Julia Dorosh
2015 Chris Jaster
|
|
Hordeum marinum ssp. gussonianum Seaside barley
• invasive non-native
Annual grass
2015 Chris Jaster
2017 Julia Dorosh
2015 Chris Jaster
|
|
Hordeum murinum Farmer's foxtail, Foxtail barley, Mouse barley
• invasive non-native
Annual grass 
2018 Gary McDonald
2019 Gary McDonald
2017 Gary McDonald
|
|
Hordeum murinum ssp. glaucum Blue foxtail, Smooth barley
non-native
Annual grass
2018 Gary McDonald
2019 Gary McDonald
2017 Gary McDonald
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass 
2022 Ron Vanderhoff
2021 Al Keuter
2021 Ron Vanderhoff
|
|
Hutchinsia procumbens Prostrate hutchinsia
non-native
2010 Steve Matson
2010 Steve Matson
2010 Steve Matson
|
|
Hymenoclea salsola Cheesebrush, Burrobrush
native
Shrub 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Hymenopappus filifolius Columbia cutleaf, Fineleaf hymenopappus
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Hymenopappus filifolius var. lugens Columbia cutleaf, Idaho hymenopappus
native
Perennial herb 
2019 Matt Berger
2018 Diane Etchison
2018 Ron Vanderhoff
|
|
Hymenopappus filifolius var. pauciflorus Columbia cutleaf, Fineleaf hymenopappus
native
Perennial herb
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Hymenothrix loomisii Loomis' thimblehead
non-native
Annual, Perennial herb  2013 Richard Spellenberg
 2013 Richard Spellenberg
|
|
Hymenoxys cooperi Cooper goldflower, Cooper's goldflower, Cooper's rubberweed
native
Perennial herb 
2012 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Hypericum anagalloides Creeping st. john's wort, Tinker's penny
native
Annual, Perennial herb 
2019 Bob Sweatt
2020 Joaquin Hale
2021 Mike Russler
|
|
Hypericum scouleri Scouler's St John's wort
native
Perennial herb 
2021 Julie A. Kierstead
2022 Steve Matson
2019 Julie Kierstead Nelson
|
|
Imperata brevifolia California satintail
• rare native
Perennial grass  2008 Steve Matson
 2008 Steve Matson
 2008 Steve Matson
|
|
Ipomopsis arizonica Arizona ipomopsis, Arizona scarlet gilia
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Ipomopsis polycladon Branching gilia, Manybranched ipomopsis
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2007 Steve Matson
|
|
Ipomopsis tenuituba Narrow tube ipomopsis, Slendertube skyrocket
native
Shrub (stem succulent) 
2020 Bob Sweatt
2010 Dee Warenycia
2022 Cynthia Powell
|
|
Iris missouriensis Rocky mountain iris, Western blue flag
native
Perennial herb 
Geoff Burleigh
2020 Mitchell Coleman
2019 Bob Sweatt
|
|
Isocoma acradenia Alkali goldenbush, Desert isocoma
native
Shrub 
2021 Mike Russler
2021 Mike Russler
2021 Richard Spjut
|
|
Isocoma acradenia var. acradenia Alkali goldenbush
native
Shrub 
2020 John Rawlings
2020 John Rawlings
2013 Richard Spellenberg
|
|
Ivesia arizonica var. arizonica Arizona whitefeather, Yellow ivesia
• rare native
Perennial herb  2021 Matt C. Berger
 2021 Matt C. Berger
 2021 Matt C. Berger
|
|
Juncus acuminatus Sharp fruited rush, Taper tip rush, Tapertip rush
native
Perennial grasslike herb 
2021 Peter Warner
2021 Peter Warner
2021 Peter Warner
|
|
Juncus acutus Spiny rush
native
Perennial grasslike herb (rhizomatous) 
2020 Ron Vanderhoff
2021 Ron Vanderhoff
2019 Susan McDougall
|
|
Juncus acutus ssp. leopoldii Leopold's rush, Southwestern spiny rush, Wire grass
• rare native
Perennial grasslike herb (rhizomatous) 
2018 Ron Vanderhoff
2019 Susan McDougall
2021 Ron Vanderhoff
|
|
Juncus articulatus Jointed rush, Jointleaf rush
native
Perennial grasslike herb 
2022 joaquin hale
2022 joaquin hale
2022 joaquin hale
|
|
Juncus balticus Baltic rush, Wire rush
native
Perennial grasslike herb 
2015 Steve Matson
2015 Steve Matson
2019 Bonnie Nickel
|
|
Juncus balticus var. montanus Baltic rush
native
Perennial grasslike herb
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Juncus bufonius Common toad rush, Toad rush
native
Annual grasslike herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Juncus confusus Colorado rush
native
Perennial grasslike herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Juncus dudleyi Dudley's rush
• rare native
Perennial grasslike herb  © 2017 Dean Wm. Taylor
 2017 Dean Wm. Taylor
 2017 Dean Wm. Taylor
|
|
Juncus ensifolius Sword leaved rush, Swordleaf rush, Three stamened rush
native
Perennial grasslike herb 
2016 Phil Johnson
2018 David popp
2009 Julie A. Kierstead
|
|
Juncus longistylis Long styled rush, Longstyle rush
native
Perennial grasslike herb  2004 Steve Matson
 2004 Steve Matson
|
|
Juncus mertensianus Merten's rush, Mertens' rush
native
Perennial grasslike herb 
2016 Steve Matson
2007 Steve Matson
2007 Steve Matson
|
|
Juncus nevadensis Sierra rush
native
Perennial grasslike herb 
2021 Mike Russler
2021 Mike Russler
2021 Mike Russler
|
|
Juncus saximontanus Rocky mountain rush
native
Perennial grasslike herb  2005 Steve Matson
 2005 Steve Matson
|
|
Juncus tenuis Poverty rush, Slender rush
native
Perennial grasslike herb 
2020 Peter Warner
2008 Keir Morse
2020 Peter Warner
|
|
Juncus tenuis var. tenuis Poverty rush, Slender rush
native
Perennial grasslike herb
2020 Peter Warner
2008 Keir Morse
2020 Peter Warner
|
|
Juncus torreyi Torrey's rush
native
Perennial grasslike herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Juncus xiphioides Iris leaved rush, Irisleaf rush
native
Perennial grasslike herb 
2016 Erik Larsen
2017 Ron Vanderhoff
2023 R.A. Chasey
|
|
Juniperus communis Common juniper, Dwarf juniper
native
Shrub 
2019 Bob Sweatt
2020 Donald Burk
2010 Louis-M. Landry
|
|
Juniperus communis var. depressa Common juniper
native
Shrub 
2019 Bob Sweatt
2022 Dana York
2019 Bob Sweatt
|
|
Juniperus monosperma Utah juniper
native
Tree, Shrub 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Juniperus osteosperma Utah juniper
native
Tree, Shrub
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Juniperus scopulorum Rocky mountain juniper
non-native
Tree  2016 Zoya Akulova
 2016 Zoya Akulova
 2016 Zoya Akulova
|
|
Kallstroemia californica California caltrop, California kallstroemia
native
Annual herb 
2019 Richard Spjut
2022 Steve Matson
2022 Steve Matson
|
|
Kallstroemia parviflora Few flowered caltrop, Warty caltrop
• rare native
Annual herb 
2013 Keir Morse
2013 Keir Morse
2013 Keir Morse
|
|
Kelloggia galioides Milk kelloggia
native
Perennial herb 
2003 Steve Matson
2020 Bob Sweatt
2019 Bob Sweatt
|
|
Kochia scoparia Common red sage, Mexican fireweed, Summer cypress
• invasive non-native
Annual herb 
2013 Daniel Lubin
2013 Daniel Lubin
2013 Daniel Lubin
|
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass 
2023 Helen Hancock
2015 Steve Matson
2015 Steve Matson
|
|
Krameria erecta Little leaved ratany, Littleleaf ratany, Pima rhatany
native
Shrub 
2017 Bonnie Nickel
2019 Matt Berger
2017 Thomas Egan
|
|
Krascheninnikovia lanata Winter fat, Winterfat
native
Shrub 
2011 Steve Matson
2019 Marcia Mack
2011 Steve Matson
|
|
Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb 
2017 Gary McDonald
2017 Gary McDonald
2017 Gary McDonald
|
|
Langloisia setosissima Bristly langloisia, Great basin langloisia, Lilac sunbonnet
native
Annual herb 
2019 Matt Berger
2019 Matt Berger
Geoff Burleigh
|
|
Lappula occidentalis var. cupulata Cupped redowski's stickseed
native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Lappula occidentalis var. occidentalis Redowski's stickseed
native
Annual herb 
2009 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Larrea tridentata South american creosote bush
native
Shrub 
2023 Keir Morse
2019 Daria Snider
2022 Mike Russler
|
|
Larrea tridentata var. tridentata South american creosote bush
native
Shrub
2023 Keir Morse
2019 Daria Snider
2022 Mike Russler
|
|
Lathyrus lanszwertii var. leucanthus Nevada pea
native
Perennial herb 
2005 Steve Matson
2008 Gary A. Monroe
2020 Bob Sweatt
|
|
Layia glandulosa White layia, White tidy tips, Whitedaisy tidytips
native
Annual herb 
2016 James Gonsman
2021 Mike Russler
2021 Mike Russler
|
|
Lemna minuta Least duckweed
native
Perennial herb 
2022 Ron Vanderhoff
2020 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Lepidium densiflorum Common pepper grass, Common pepperweed
native
Annual herb 
2020 Ron Vanderhoff
2016 Steve Matson
2016 Steve Matson
|
|
Lepidium fremontii Desert alysum, Desert pepper grass, Desert pepperweed
native
Perennial herb 
2010 Steve Matson
2015 Steve Matson
2011 Steve Matson
|
|
Lepidium lasiocarpum var. lasiocarpum Shaggyfruit pepperweed
native
Annual herb 
2022 Steve Matson
2015 Steve Matson
2022 Steve Matson
|
|
Lepidium latifolium Broad leaved pepper grass, Broadleaved pepperweed, Perennial pepperweed
• invasive non-native
Perennial herb 
2022 Donald Burk
2020 Ron Vanderhoff
2021 Michelle Karle
|
|
Lepidium montanum Mountain pepper grass, Mountain pepperweed
native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Lepidium montanum var. glabrum Mountain pepper grass, Mountain pepperweed
native
Perennial herb
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Lepidium montanum var. jonesii Mountain pepper grass, Mountain pepperweed
native
Perennial herb
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Lepidium perfoliatum Clasping pepperweed, Klamath pepper grass, Shield cress
non-native
Annual herb 
2020 Bob Sweatt
2017 Barbara Boethling
2009 Steve Matson
|
|
Lepidium virginicum Virginia pepperweed, Wild pepper grass
native
Annual herb 
2020 David Greenberger
2020 Aaron Echols
2021 Jacob Smith
|
|
Lepidium virginicum var. medium Robinson's pepper grass
native
Annual herb 
2011 Ramona Robison
2018 Al Keuter
2018 Al Keuter
|
|
Lepidium virginicum var. pubescens Robinson's pepper grass
native
Annual herb
2011 Ramona Robison
2018 Al Keuter
2018 Al Keuter
|
|
Leptochloa fusca ssp. fascicularis Bearded sprangletop
native
Annual grass 
2023 Donald Burk
2021 R.A. Chasey
2021 Ken Hickman
|
|
Leptochloa fusca ssp. uninervia Mexican sprangletop
native
Annual grass
2009 Ron Vanderhoff
2012 James M. Andre
2016 Neil Uelman
|
|
Leptodactylon pungens Granite prickly phlox
native
Shrub 
2021 Steve Matson
2021 Steve Matson
2023 Mike Russler
|
|
Lesquerella tenella Little bladderpod
native
Annual herb 
2023 David Strauch
2023 David Strauch
2023 David Strauch
|
|
Lesquerella wardii Limestone bladderpod
native
Perennial herb  2010 James M. Andre
 2004 James M. Andre
 2004 James M. Andre
|
|
Leucanthemum vulgare Oxe eye daisy, Oxeye daisy
• invasive non-native
Perennial herb 
2020 Kim Cabrera
2019 Julian Geoghegan
2017 James Gonsman
|
|
Lewisia pygmaea Alpine lewisia, Pigmy bitter root
native
Perennial herb 
2020 Bob Sweatt
2019 Bob Sweatt
2020 Bob Sweatt
|
|
Lewisia rediviva Bitter root
native
Perennial herb 
2020 Matt Berger
2023 Steve Conger
2018 Mitchell Coleman
|
|
Leymus salinus ssp. salinus Small Tree-Mallow
|
|
Leymus triticoides Beardless wild rye
native
Perennial grass 
2018 Ron Vanderhoff
2021 Ron Vanderhoff
2018 Rachelle Gray
|
|
Limosella aquatica Northern mudwort, Water mudwort
native
Annual herb (aquatic) 
2020 Bob Sweatt
2020 Bob Sweatt
2005 Steve Matson
|
|
Linanthus aureus Golden linanthus
• rare native
Annual herb 
2017 Adam Chasey
2023 R.A. Chasey
2019 David Greenberger
|
|
Linanthus bigelovii Bigelow's linanthus
native
Annual herb  2006 James M. Andre
 2006 James M. Andre
 2011 Jean Pawek
|
|
Linanthus demissus Desert linanthus, Desertsnow
native
Annual herb 
2019 Don M. Davis
2010 Steve Matson
2019 Matt Berger
|
|
Linaria dalmatica Dalmatian toadflax
non-native
Perennial herb 
2022 Jonathan Widdicombe
2005 Louis-M. Landry
2022 Jonathan Widdicombe
|
|
Linum lewisii Blue flax, Lewis' flax, Prairie flax
native
Perennial herb 
2019 David Greenberger
2020 stephen rosenthal
2023 Mike Russler
|
|
Linum lewisii var. lewisii Lewis' flax, Prairie flax
native
Perennial herb
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
|
Linum puberulum Hairy flax, Plains flax
• rare native
Annual herb 
2022 Eric Engles
2009 Christopher L. Christie
2012 Keir Morse
|
|
Lithophragma tenellum Slender woodland star, Slender woodlandstar, Woodland star
native
Perennial herb 
2018 Mary Conway
2018 Mary Conway
2019 Adam Chasey
|
|
Lithospermum incisum Narrowleaf gromwell, Narrowleaf stoneseed
• rare native
Perennial herb  2005 James M. Andre
 2005 James M. Andre
 2010 Lee Dittmann
|
|
Lobelia cardinalis Cardinalflower
native
Perennial herb 
2020 Fred Melgert / Carla Hoegen
2012 John Rusk
2020 Fred Melgert / Carla Hoegen
|
|
Loeseliastrum schottii Schott gilia, Schott's calico
native
Annual herb 
2020 David Greenberger
2024 Bob Steele
2019 Don M. Davis
|
|
Lolium arundinaceum Alta fescue, Reed fescue, Tall fescue
• invasive non-native
Perennial grass 
2022 Cynthia Powell
2020 Robert Steers
2017 MCOSD EDRR
|
|
Lolium perenne Italian rye grass
• invasive non-native
Annual, Perennial grass 
2019 Ron Vanderhoff
2017 Gary McDonald
2021 Ron Vanderhoff
|
|
Lolium perenne ssp. multiflorum Italian rye grass
• invasive non-native
Annual, Perennial grass
2019 Ron Vanderhoff
2017 Gary McDonald
2021 Ron Vanderhoff
|
|
Lolium pratense Meadow fescue
non-native
Perennial grass 
2023 Elliot Gunnison
2012 Al Keuter
2012 Al Keuter
|
|
Lomatium bicolor var. leptocarpum Slender fruited lomatium, Wasatch desertparsley
native
Perennial herb  2013 Steve Matson
 2013 Steve Matson
 2013 Steve Matson
|
|
Lomatium foeniculaceum ssp. macdougalii Macdougal's lomatium
• rare native
Perennial herb 
2023 Ryan O'Dell
2011 Robert Sivinski
2010 Bill Harnach
|
|
Lomatium mohavense Mohave wild parsely, Mojave desertparsley, Mojave lomatium
native
Perennial herb 
2020 Matt Berger
2023 richard mcneill
2008 Steve Matson
|
|
Lomatium nevadense Nevada biscuitroot, Nevada lomatium
native
Perennial herb 
2021 Donald Burk
2021 R.A. Chasey
2019 Matt Berger
|
|
Lomatium nevadense var. parishii Parish's biscuitroot, Parish's lomatium
native
Perennial herb 
2023 richard mcneill
2021 R.A. Chasey
2023 richard mcneill
|
|
Lotus corniculatus Bird's foot trefoil, Birdfoot deervetch, Broadleaf birdsfoot trefoil
• invasive non-native
Perennial herb 
2005 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Lotus wrightii Canyon birdsfoot trefoil
native
Perennial herb 
2008 Steve Matson
2019 Matt Berger
2014 Garth Wadsworth
|
|
Lupinus argenteus Silvery lupine
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Lupinus arizonicus Arizona lupine
native
Annual herb 
2020 Diane Etchison
2020 David Greenberger
2020 Diane Etchison
|
|
Lupinus arizonicus ssp. arizonicus Arizona lupine
native
Annual herb
2020 Diane Etchison
2020 David Greenberger
2020 Diane Etchison
|
|
Lupinus brevicaulis Sand lupine, Short stemmed blue lupine, Shortstem lupine
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Lupinus palmeri Palmer's silver lupine
native
Perennial herb
2011 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Lupinus pusillus Rusty lupine
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Lycium andersonii Anderson thornbush, Anderson's desert thorn, Water jacket
native
Shrub 
2010 Steve Matson
2022 Steve Matson
2010 Steve Matson
|
|
Lycium andersonii var. deserticola Anderson thornbush, Anderson's desert thorn, Water jacket
native
Shrub
2010 Steve Matson
2022 Steve Matson
2010 Steve Matson
|
|
Lycium fremontii Fremont box thorn, Fremont's desert thorn
native
Shrub 
2023 Keir Morse
2023 Keir Morse
2020 Matt Berger
|
|
Lycium torreyi Torrey's box thorn
• rare native
Shrub  2017 Wynn Anderson
 2013 Wynn Anderson
 2018 Wynn Anderson
|
|
Lythrum californicum California loosestrife, Common loosestrife
native
Perennial herb 
2017 Fred Melgert / Carla Hoegen
2020 Ron Vanderhoff
2017 David Wolfson
|
|
Machaeranthera canescens Hoary aster
native
Perennial herb 
2008 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
native
Perennial herb
2008 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Machaeranthera carnosa var. intricata Shrubby alkali aster
native
Shrub 
2016 Steve Matson
2012 Steve Matson
2015 Steve Matson
|
|
Machaeranthera gracilis Annual bristleweed
• rare native
Annual herb 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Machaeranthera pinnatifida ssp. gooddingii var. gooddingii Small Tree-Mallow
|
|
Machaeranthera pinnatifida ssp. gooddingii var. paradoxa Small Tree-Mallow
|
|
Machaeranthera tanacetifolia Tanseyleaf tansyaster, Tansy leaved aster
native
Annual herb  2005 James M. Andre
 2005 James M. Andre
 2012 Richard Spellenberg
|
|
Madia glomerata Mountain tarweed
native
Annual herb 
2023 Mike Russler
2008 Steve Matson
2008 Steve Matson
|
|
Mahonia aquifolium Mountain grape, Mountaingrape, Oregon grape
native
Shrub 
2022 Cara Wilcox
2021 Mike Russler
2021 Mike Russler
|
|
Mahonia fremontii Fremont barberry
• rare native
Shrub 
2020 David Greenberger
2019 Brett Dean
2006 James M. Andre
|
|
Mahonia haematocarpa Red fruited mahonia
native
Shrub  2014 Richard Spellenberg
 2016 Wynn Anderson
 2016 Wynn Anderson
|
|
Mahonia repens Creeping oregon grape, Dwarf mahonia
native
Shrub 
2021 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Maianthemum racemosum ssp. amplexicaule Feathery false lily of the valley
native
Perennial herb 
2020 Bob Sweatt
2018 Steve Matson
2019 Cynthia Powell
|
|
Maianthemum racemosum ssp. racemosum Feathery false lily of the valley
native
Perennial herb
2020 Bob Sweatt
2018 Steve Matson
2019 Cynthia Powell
|
|
Maianthemum stellatum Starry false lily of the valley
native
Perennial herb 
2021 Cyril Guyot
2003 Steve Matson
2020 Susan McDougall
|
|
Malacothrix clevelandii Cleveland's dandelion, Cleveland's desertdandelion, Cleveland's malacothrix
native
Annual herb 
2021 Steve Laymon
2022 Mike Russler
2023 R.A. Chasey
|
|
Malacothrix glabrata Desert dandelion, Smooth desertdandelion
native
Annual herb 
2019 Diane Etchison
2022 Steve Matson
2017 Leah Gardner
|
|
Malacothrix sonchoides Sow thistle malacothrix, Sowthistle desertdandelion, Yellow saucers
native
Annual herb 
2005 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Malacothrix torreyi Torrey's desertdandelion, Torrey's malacothrix
native
Annual herb 
2023 Steve Matson
2023 Steve Matson
2023 Steve Matson
|
|
Malcolmia africana African mustard
non-native
Annual herb 
2005 Steve Matson
2005 Steve Matson
2005 Steve Matson
|
|
Malus pumila Paradise apple
non-native
Tree 
2014 Ramona Robison
2018 Angelique Herman
2005 Louis-M. Landry
|
|
Malus sylvestris Paradise apple
non-native
Tree
2014 Ramona Robison
2018 Angelique Herman
2005 Louis-M. Landry
|
|
Malva neglecta Common mallow, Dwarf mallow
non-native
Annual, Perennial herb 
2022 Bob Sweatt
2019 Randy Huey
2022 Bob Sweatt
|
|
Malva parviflora Cheeseweed mallow
non-native
Annual herb 
2022 Mike Russler
2022 Donald Burk
2022 Mike Russler
|
|
Malvella leprosa Alkali mallow
native
Perennial herb 
2023 Donald Burk
2019 Bonnie Nickel
2019 Bonnie Nickel
|
|
Mammillaria grahamii var. grahamii Graham's fishhook cactus
• rare native
Shrub (stem succulent)  2008 Christopher L. Christie
 2008 Christopher L. Christie
 2008 Christopher L. Christie
|
|
Mammillaria tetrancistra Common fish hook cactus, Common fishhook cactus, Fishhook cactus
native
Shrub (stem succulent) 
2020 Matt Berger
2008 Steve Matson
2008 Steve Matson
|
|
Marrubium vulgare White horehound
• invasive non-native
Perennial herb 
©2013 Gary McDonald
2015 Diane Etchison
2018 Nancy Hamlett
|
|
Matelea parvifolia Spearleaf
• rare native
Perennial herb 
2019 Matt Berger
2014 Keir Morse
2014 Keir Morse
|
|
Maurandella antirrhiniflora Roving sailor
• rare native
Perennial herb  2010 James M. Andre
 2003 Charles E. Jones
 2019 Belinda Lo
|
|
Medicago lupulina Black medick
non-native
Annual, Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Melilotus alba Yellow sweetclover
• invasive non-native
Annual, Biennial herb 
2020 Bob Sweatt
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Melilotus indicus Annual yellow sweetclover, Sourclover
non-native
Annual herb 
2019 Randy Huey
2019 Randy Huey
2017 Rosalie Benitez
|
|
Melilotus officinalis Yellow sweetclover
non-native
Annual, Biennial herb
2020 Bob Sweatt
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Menodora scabra Rough desert olive, Rough menodora
native
Shrub  2005 James M. Andre
 2004 James M. Andre
 2010 Lee Dittmann
|
|
Mentha arvensis American wild mint, Field mint, Marsh mint
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2014 Steve Matson
|
|
Mentzelia affinis Yellow blazing star, Yellow comet, Yellowcomet
native
Annual herb 
2022 Mike Russler
2022 Mike Russler
2020 David Greenberger
|
|
Mentzelia albicaulis Small flowered blazing star, White stemmed blazing star, White stemmed stickleaf
native
Annual herb 
2023 Steve Ashcraft
2022 Mike Russler
2019 Diane Etchison
|
|
Mentzelia involucrata Bracted blazing star, Sand blazing star, Whitebract blazingstar
native
Annual herb 
2019 Susan McDougall
2019 Mary L Swanson
2019 Susan McDougall
|
|
Mentzelia multiflora Adonis blazingstar
native
Perennial herb  2010 Ron Wolf
 2016 Wynn Anderson
 2016 Wynn Anderson
|
|
Mentzelia oreophila Argus blazingstar, Mountain loving blazing star
native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2006 James M. Andre
|
|
Mentzelia tricuspis Spinyhair blazingstar, Three pointed blazing star
• rare native
Annual herb 
2019 Rico Ramirez
2005 James M. Andre
2010 James M. Andre
|
|
Mertensia franciscana Franciscan bluebells
native
Perennial herb  Gerald and Buff Corsi 2007 California Academy of Sciences
 2006 Robert Sivinski
|
|
Mimulus bigelovii Bigelow mimulus
native
Annual herb 
2020 David Greenberger
2022 Scott Cox
2017 Dan Fillipi
|
|
Mimulus cardinalis Cardinal monkey flower
native
Perennial herb 
2014 James Gonsman
2023 Steve Conger
2021 Mike Russler
|
|
Mimulus guttatus Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous) 
2019 Stacie Wolny
2015 James Gonsman
2019 Stacie Wolny
|
|
Mimulus primuloides Primrose monkeyflower
native
Perennial herb 
2007 Steve Matson
2004 Steve Matson
2007 Steve Matson
|
|
Mimulus rubellus Red stemmed himulus
native
Annual herb 
2020 Steve Matson
2020 Steve Matson
2019 Steve Matson
|
|
Mimulus spissus Bigelow's monkeyflower
native
Annual herb 
2023 Bob Steele
2019 Steve Matson
2016 Steve Matson
|
|
Mimulus suksdorfii Suksdorf's monkeyflower
native
Annual herb 
2017 Steve Matson
2005 Steve Matson
2018 Leah Gardner
|
|
Mimulus verbenaceus Cardinal monkey flower
native
Perennial herb
2014 James Gonsman
2023 Steve Conger
2021 Mike Russler
|
|
Mirabilis bigelovii Wishbone bush
native
Perennial herb 
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Mirabilis linearis Narrow leaf four o'clock, Narrowleaf four o'clock
non-native
Perennial herb  2014 John Doyen
 2015 Barry Breckling
 2015 Barry Breckling
|
|
Mirabilis multiflora Colorado four o'clock, Giant four o'clock
native
Perennial herb 
2013 Steve Matson
2021 Mike Russler
2013 Steve Matson
|
|
Mirabilis pumila Dwarf four o'clock
native
Perennial herb  2009 James M. Andre
 2015 Barry Breckling
 2006 Chris Wagner, SBNF
|
|
Mohavea breviflora Golden desert snapdragon
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Mollugo cerviana Carpet weed, Threadstem carpetweed
non-native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Monarda pectinata Bee balm, Pony beebalm
• rare native
Annual herb  2013 Trent M. Draper
 2013 Trent M. Draper
 2013 Trent M. Draper
|
|
Monardella glauca Mountain mint, Mountain pennyroyal
native
Perennial herb 
2010 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Monroa squarrosa False buffalo grass
• rare native
Annual grass 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Montia chamissoi Spring beauty, Toad lily, Water minerslettuce
native
Perennial herb 
2003 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Mortonia utahensis Utah mortonia
• rare native
Shrub 
2019 Matt Berger
2020 Matt Berger
2019 Matt Berger
|
|
Muhlenbergia appressa Appressed muhly, Devils canyon muhly
• rare native
Annual grass 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Muhlenbergia asperifolia Scratchgrass
native
Perennial grass 
2017 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Muhlenbergia filiformis Pullup muhly, Slender muhly
native
Annual, Perennial grass 
2021 R.A. Chasey
2020 John Rawlings
2020 Susan McDougall
|
|
Muhlenbergia microsperma Annual muhly, Littleseed muhly
native
Annual grass 
2017 Ron Vanderhoff
2019 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Muhlenbergia minutissima Annual muhly
native
Annual grass 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Muhlenbergia montana Mountain muhly
native
Perennial grass 
2009 Steve Matson
2009 Steve Matson
2009 Steve Matson
|
|
Muhlenbergia pauciflora Few flowered muhly, New mexico muhly
• rare native
Perennial grass (rhizomatous) 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Muhlenbergia porteri Bush muhly, Porter's muhly
native
Perennial grass  2002 Dean Wm. Taylor
 2004 James M. Andre
 2005 James M. Andre
|
|
Muhlenbergia richardsonis Mat muhly, Matted muhly, Richardson's muhly
native
Perennial grass 
2021 Steve Matson
2021 Steve Matson
2022 Steve Matson
|
|
Myosurus apetalus var. montanus Bristly mousetail
native
Annual herb 
2023 Donald Burk
2017 Jim Morefield
2023 Donald Burk
|
|
Myosurus cupulatus Arizona mousetail, Desert mouse tail
native
Annual herb 
2005 Keir Morse
2005 Keir Morse
2005 Keir Morse
|
|
Myosurus minimus Common mouse tail, Little mouse tail, Tiny mousetail
native
Annual herb 
2022 Dianne Lake
2024 Cynthia Powell
2024 Kevin Dixon
|
|
Nemacladus glanduliferus Glandular nemacladus, Glandular threadplant, Thread plant
native
Annual herb 
2019 Matt Berger
2019 Matt Berger
2020 David Greenberger
|
|
Nemacladus glanduliferus var. orientalis Eastern glandular nemacladus
native
Annual herb 
2011 Steve Matson
2023 Aaron Schusteff
2011 Steve Matson
|
|
Neogaerrhinum filipes Tangled snapdragon, Twining snapdragon
native
Annual herb 
2010 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Nicotiana attenuata Coyote tobacco
native
Annual herb 
2009 Steve Matson
2009 Steve Matson
2020 Bob Sweatt
|
|
Nicotiana glauca Tree tobacco
• invasive non-native
Tree, Shrub 
2019 Jean B Henney
2017 Steve Matson
2017 Steve Matson
|
|
Nicotiana obtusifolia Desert tobacco
native
Perennial herb 
2019 Susan McDougall
2019 Matt Berger
2019 R.A. Chasey
|
|
Nicotiana obtusifolia var. obtusifolia Desert tobacco
native
Perennial herb
2019 Susan McDougall
2019 Matt Berger
2019 R.A. Chasey
|
|
Nolina parryi Parry's beargrass, Parry's nolina
native
Perennial herb 
2018 Mary Merriman
2020 Bob Steele
2020 Matt Berger
|
|
Oenothera caespitosa Fragrant evening-primrose
native
Perennial herb 
2019 Madena Asbell
2019 Madena Asbell
2016 Keir Morse
|
|
Oenothera caespitosa ssp. crinita Cespitose evening-primrose
• rare native
Perennial herb (rhizomatous) 
2022 Ian Archer Winick
2017 Jim Morefield
2013 Martha Ashton-Sikora
|
|
Oenothera caespitosa ssp. marginata Fragrant evening-primrose
native
Perennial herb 
Geoff Burleigh
Geoff Burleigh
Geoff Burleigh
|
|
Oenothera caespitosa var. navajoensis Small Tree-Mallow
|
|
Oenothera cavernae Cavedwelling evening primrose
• rare native
Perennial herb  2006 Arik Skromme
 2008 Michael Charters
 2008 James M. Andre
|
|
Oenothera deltoides Birdcage evening primrose, Desert lantern, Dune primrose
native
Annual herb 
2019 Matt Berger
2022 Ryan O'Dell
2023 Zoya Akulova-Barlow
|
|
Oenothera elata Evening primrose, Hooker's evening primrose
native
Perennial herb 
2020 Ron Vanderhoff
2020 Diane Etchison
2020 Bob Sweatt
|
|
Oenothera elata ssp. hookeri Common evening primrose, Evening primrose, Hooker's evening primrose
native
Perennial herb 
2020 Suzanne L. Weakley
2018 Suzanne L. Weakley
2018 Toni Corelli
|
|
Oenothera flava Yellow evening primrose
native
Perennial herb  2005 Steve Matson
 2005 Steve Matson
 2009 Trent M. Draper
|
|
Oenothera longissima Long evening primrose, Longstem evening primrose
• rare native
Perennial herb  2011 Ron Wolf
 2011 Ron Wolf
|
|
Oenothera primiveris Yellow desert evening primrose
native
Annual herb 
2016 James Gonsman
2019 Richard Spjut
Geoff Burleigh
|
|
Oenothera villosa ssp. strigosa Hairy evening primrose
native
Perennial herb  2012 Aaron Arthur
 2012 Aaron Arthur
|
|
Olea europaea Olive
• invasive non-native
Tree, Shrub 
2022 Donald Burk
2021 Thomas Reyes
2022 Ron Vanderhoff
|
|
Onopordum acanthium Scotch cottonthistle
• invasive non-native
Perennial herb 
2021 Diana Wing
2019 Catherine Talbot
2018 Joe Woods
|
|
Opuntia acanthocarpa Buck horn cholla
native
Perennial herb (stem succulent) 
2020 David Greenberger
2019 Steve Schoenig
2017 Thomas Egan
|
|
Opuntia basilaris Beavertail cactus, Beavertail pricklypear
native
Shrub (stem succulent) 
2020 Lynn Sweet
2016 Anna Wolfe
2019 Marcia M
|
|
Opuntia basilaris var. basilaris Beavertail cactus, Beavertail pricklypear
native
Shrub (stem succulent) 
2019 Diane Etchison
2019 Diane Etchison
2023 Olesya Konovalova
|
|
Opuntia basilaris var. longiareolata Beavertail cactus, Beavertail pricklypear
native
Shrub (stem succulent)
2020 Lynn Sweet
2016 Anna Wolfe
2019 Marcia M
|
|
Opuntia bigelovii Teddybear cholla
native
Shrub (stem succulent) 
2023 Olga Batalov
2022 Scott Cox
2023 Julia Markey
|
|
Opuntia chlorotica Dollarjoint pricklypear, Pancake cactus, Pancake prickly pear
native
Shrub (stem succulent) 
2017 Fred Melgert / Carla Hoegen
2020 Matt Berger
2017 Fred Melgert / Carla Hoegen
|
|
Opuntia echinocarpa Silver cholla
native
Shrub (stem succulent) 
2023 Catherine Chang
2019 Marisa Persaud
2019 Arch McCulloch
|
|
Opuntia engelmannii var. engelmannii Cactus apple, Engelmann prickly pear
native
Shrub  2010 James M. Andre
 2010 Zoya Akulova
 2010 James M. Andre
|
|
Opuntia erinacea Grizzlybear pricklypear
native
Shrub (stem succulent) 
2012 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Opuntia erinacea var. hystricina Grizzlybear pricklypear
native
Shrub (stem succulent)  Gerald and Buff Corsi © 2014 California Academy of Sciences
 Gerald and Buff Corsi 2014 California Academy of Sciences
 Gerald and Buff Corsi 2014 California Academy of Sciences
|
|
Opuntia erinacea var. ursina Grizzlybear pricklypear
native
Shrub (stem succulent)
2012 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Opuntia erinacea var. utahensis Grizzlybear pricklypear
native
Shrub (stem succulent)
2012 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Opuntia fragilis Brittle prickly pear, Brittle pricklypear, Pigmy tuna
• rare native
Shrub (stem succulent) 
2014 Robert L. Carr
2014 Robert L. Carr
2014 Robert L. Carr
|
|
Opuntia phaeacantha Brown spined prickly pear, Mojave prickly pear, Tulip pricklypear
native
Shrub (stem succulent) 
2021 R.A. Chasey
2018 Diane Etchison
2021 R.A. Chasey
|
|
Opuntia phaeacantha var. major Brown spined prickly pear, Mojave prickly pear, Tulip pricklypear
native
Shrub (stem succulent)
2021 R.A. Chasey
2018 Diane Etchison
2021 R.A. Chasey
|
|
Opuntia polyacantha Plains pricklypear
native
Shrub (stem succulent)
2012 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Opuntia polyacantha var. trichophora Grizzlybear pricklypear
native
Shrub (stem succulent)
2012 Steve Matson
2012 Steve Matson
2012 Steve Matson
|
|
Orobanche cooperi Burroweed strangler
native
Perennial herb (parasitic) 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Orobanche fasciculata Clustered broomrape
native
Perennial herb (parasitic) 
2016 Jim Xerogeanes
2016 Jim Xerogeanes
2023 Mary Ann Machi
|
|
Orthilia secunda One sided wintergreen, Sidebells wintergreen
native
Perennial herb 
2019 Bill Haley
2019 Bill Haley
2021 R.A. Chasey
|
|
Orthocarpus luteus Yellow owl's clover
native
Annual herb 
2021 Ryan Carle
2021 Martin Purdy
2021 Martin Purdy
|
|
Osmorhiza depauperata Bluntseed sweetroot, Little sweet cicely
• rare native
Perennial herb  2011 Jean Pawek
 1995 Saint Mary's College of California
|
|
Oxalis albicans Californica wood sorrel
native
Perennial herb 
2019 Diane Etchison
2020 Ron Vanderhoff
2020 Diane Etchison
|
|
Oxalis albicans ssp. pilosa Hairy wood sorrel
native
Annual herb 
2022 R.A. Chasey
2009 Avis Boutell
2022 Cynthia Powell
|
|
Packera multilobata Lobeleaf groundsel
native
Perennial herb 
2007 Steve Matson
2007 Steve Matson
2007 Steve Matson
|
|
Packera werneriifolia Hoary groundsel
native
Perennial herb 
2019 Bob Sweatt
2020 Bob Sweatt
2022 Bob Sweatt
|
|
Panicum capillare Old witch grass, Witchgrass
native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Panicum hirticaule Mexican panicgrass
native
Annual grass 
2012 Keir Morse
2012 Keir Morse
2012 Keir Morse
|
|
Parietaria hespera Pelitory, Pellitory, Rillita pellitory
native
Annual herb 
2022 Matt Berger
2019 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Parietaria pensylvanica Pennsylvania pellitory
native
Annual herb 
2022 Donald Burk
2023 Donald Burk
2009 Michael Charters
|
|
Parthenocissus vitacea Woodbine
non-native
Vine, Shrub 
2016 Ron Vanderhoff
2022 Ron Vanderhoff
2016 Ron Vanderhoff
|
|
Paspalum dilatatum Dallis grass, Dallisgrass
non-native
Perennial grass 
2018 Ron Vanderhoff
2017 Barbara Boethling
2021 Ron Vanderhoff
|
|
Paxistima myrsinites Oregon boxleaf, Oregon boxwood
native
Shrub 
2021 Dana York
2018 David popp
2021 Hunter Breck
|
|
Pectis papposa Manybristle chinchweed
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Pectocarya heterocarpa Chuckwalla combseed, Chuckwalla pectocarya, Hairy leaved comb bur
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Pectocarya platycarpa Broad fruited combseed, Broad nutted comb bur, Broadfruit combseed
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2016 Steve Matson
|
|
Pectocarya recurvata Arch nutted comb bur, Curvenut combseed
native
Annual herb 
2020 David Greenberger
2023 Steve Matson
2020 Steve Matson
|
|
Pedicularis centranthera Dwarf lousewort
• rare native
Perennial herb  2009 Lee Dittmann
 2012 Lee Dittmann
 2012 Lee Dittmann
|
|
Pellaea truncata Cliff brake, Spiny cliffbrake
• rare native
Fern (rhizomatous) 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Pennisetum glaucum Pearl millet
non-native
Annual, Perennial grass  1999 Nick Kurzenko
 2007 Louis-M. Landry
 2008 Louis-M. Landry
|
|
Penstemon eatonii Eaton firecracker, Eaton's penstemon
native
Perennial herb 
2022 Bob Sweatt
2020 Susan McDougall
2020 Susan McDougall
|
|
Penstemon eatonii ssp. undosus Eaton's firecracker, Eaton's penstemon
native
Perennial herb 
2017 Thomas Egan
2019 Manzanita Dictionary
2020 David Greenberger
|
|
Penstemon palmeri Palmer's penstemon
native
Perennial herb 
2011 Steve Matson
2019 Diane Rose
2011 Steve Matson
|
|
Penstemon palmeri var. eglandulosus Palmer's penstemon
native
Perennial herb
2011 Steve Matson
2019 Diane Rose
2011 Steve Matson
|
|
Penstemon pseudospectabilis Desert penstemon
native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Penstemon rostriflorus Beaked penstemon, Bridge penstemon, Bridge's penstemon
native
Perennial herb 
2010 Steve Matson
2008 Steve Matson
2010 Steve Matson
|
|
Penstemon rydbergii Rydberg's penstemon
native
Perennial herb 
2020 Bob Sweatt
2020 Bob Sweatt
2021 Mike Russler
|
|
Penstemon utahensis Utah penstemon
• rare native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Perideridia gairdneri Gairdner's yampah, Gardner's yampah
native
Perennial herb 
2023 Cynthia Powell
2021 Larry Dizmang
2021 Mary Conway
|
|
Perideridia parishii Parish's yampah
native
Perennial herb 
2019 Steve Matson
2019 Diane Etchison
2019 Steve Matson
|
|
Perityle emoryi Emory's rock daisy, Emory's rockdaisy
native
Annual herb 
2023 Keir Morse
2019 Susan McDougall
2019 Ron Vanderhoff
|
|
Petalonyx nitidus Shiny leaf sandpaper plant, Shinyleaf sandpaper plant, sand paper plant
native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Duncan Bell
|
|
Petradoria pumila Rock goldenrod
native
Perennial herb  2014 Richard Spellenberg
 2010 Aaron Schusteff
 2010 Aaron Schusteff
|
|
Petrophyton caespitosum Mat rockspirea
native
Shrub 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Petrophyton caespitosum var. elatius Mat rockspirea
native
Shrub
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Peucephyllum schottii Desert fir, Desert pine, Pigmycedar
native
Shrub 
2020 Matt Berger
2016 Alison Sheehey
2010 Steve Matson
|
|
Phacelia affinis Limestone phacelia, Purple bell phacelia
native
Annual herb 
2023 Martin Schenker
2005 James M. Andre
2015 Keir Morse
|
|
Phacelia coerulea Sky blue phacelia
• rare native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2004 James M. Andre
|
|
Phacelia crenulata Cleftleaf wildheliotrope, Heliotrope phacelia, Notch leaved phacelia
native
Annual herb 
2010 Steve Matson
2022 Steve Matson
2010 Steve Matson
|
|
Phacelia crenulata var. ambigua Heliotrope phacelia, Notch leaved phacelia, Purplestem phacelia
native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2008 Steve Matson
|
|
Phacelia crenulata var. corrugata Cleftleaf wildheliotrope, Heliotrope phacelia, Notch leaved phacelia
native
Annual herb
2010 Steve Matson
2022 Steve Matson
2010 Steve Matson
|
|
Phacelia cryptantha Hiddenflower phacelia, Limestone phacelia, Small flowered phacelia
native
Annual herb 
2015 Steve Matson
2020 David Greenberger
2015 Steve Matson
|
|
Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2022 Ron Vanderhoff
|
|
Phacelia egena Kaweah river phacelia, Rock phacelia
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Phacelia fremontii Fremont's phacelia
native
Annual herb 
2022 Steve Matson
2022 Mike Russler
2014 Steve Conger
|
|
Phacelia ivesiana Ives' phacelia
native
Annual herb 
2017 Fred Melgert / Carla Hoegen
2017 Fred Melgert / Carla Hoegen
2017 Fred Melgert / Carla Hoegen
|
|
Phacelia pedicellata Pedicellate phacelia, Specter phacelia
native
Annual herb 
2020 David Greenberger
2019 Matt Berger
2020 Matt Berger
|
|
Phacelia pulchella Beautiful phacelia
native
Annual herb 
2015 Patrick Donnelly
2015 Patrick Donnelly
2006 James M. Andre (var. gooddingii)
|
|
Phacelia rotundifolia Round leafed phacelia, Roundleaf phacelia
native
Annual herb 
2019 Matt Berger
2019 Matt Berger
2020 Steve Matson
|
|
Phacelia saxicola Rock phacelia, Stonecrop phacelia
native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2017 Steve Matson
|
|
Phacelia vallis-mortae Death valley phacelia
native
Annual herb 
2019 Steve Matson
2011 Steve Matson
2010 Steve Matson
|
|
Phalaris arundinacea Reed canarygrass
native
Perennial grass 
2018 Michelle Forys
2020 Donald Burk
2022 Dianne Lake
|
|
Philadelphus microphyllus Desert syringa, Little leaf mock orange, Littleleaf mock orange
native
Shrub 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Phleum alpinum Alpine timothy, Mountain timothy, Timothy grass
native
Perennial grass 
2003 Steve Matson
2022 Steve Matson
2021 R.A. Chasey
|
|
Phleum pratense Common timothy, Cultivated timothy, Timothy
non-native
Perennial grass 
2013 BOB CASE
2019 Julie Kierstead Nelson
2021 Emily R. Allen
|
|
Phlox austromontana Southern mountain phlox
native
Perennial herb 
Geoff Burleigh
Geoff Burleigh
Geoff Burleigh
|
|
Phlox austromontana ssp. austromontana Southern mountain phlox
native
Perennial herb
Geoff Burleigh
Geoff Burleigh
Geoff Burleigh
|
|
Phlox austromontana ssp. densa Southern mountain phlox
native
Perennial herb
Geoff Burleigh
Geoff Burleigh
Geoff Burleigh
|
|
Phlox austromontana ssp. prostrata Southern mountain phlox
native
Perennial herb
Geoff Burleigh
Geoff Burleigh
Geoff Burleigh
|
|
Phlox diffusa ssp. subcarinata Southern mountain phlox
native
Perennial herb
Geoff Burleigh
Geoff Burleigh
Geoff Burleigh
|
|
Phlox gracilis Slender phlox
native
Annual herb 
2003 Steve Matson
2016 Steve Matson
2003 Steve Matson
|
|
Phlox gracilis ssp. gracilis Slender phlox
native
Annual herb
2003 Steve Matson
2016 Steve Matson
2003 Steve Matson
|
|
Phlox longifolia Longleaf phlox
native
Perennial herb  2005 Christopher L. Christie
 2007 Trent M. Draper
|
|
Phlox longifolia ssp. brevifolia Cold-desert phlox
native
Perennial herb 
2019 Jim Morefield
2024 Alaine Arslan
2019 Jim Morefield
|
|
Phlox stansburyi Cold desert phlox
native
Perennial herb 
2017 Jim Morefield
2014 Steve Matson
2019 Jim Morefield
|
|
Phlox stansburyi ssp. stansburyi Cold-desert phlox
native
Perennial herb 
2019 Catherine Capone
2015 Richard Spellenberg
2013 James M. Andre
|
|
Phoenix dactylifera Date palm
non-native
Tree, Shrub 
2022 Ramona Robison
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Pholistoma auritum Blue fiestaflower, Fiesta flower
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Pholistoma auritum var. arizonicum Arizona fiestaflower, Arizona pholistoma
• rare native
Annual herb 
2016 Fred Melgert
2017 Fred Melgert / Carla Hoegen
2016 Fred Melgert
|
|
Phoradendron californicum California mesquite mistletoe, Desert mistletoe, Mesquite mistletoe
native
Shrub (parasitic) 
2015 Jesse Rorabaugh
2021 Ron Vanderhoff
2016 Diane Etchison
|
|
Phoradendron juniperinum Juniper mistletoe
native
Shrub (parasitic) 
2016 Keir Morse
2020 R.A. Chasey
2004 James M. Andre
|
|
Phragmites australis Common reed
native
Perennial grass 
2013 Ron Vanderhoff
2020 Ron Vanderhoff
2022 Steve Matson
|
|
Phyla cuneifolia Wedgeleaf
native
Perennial herb  2017 Trent M. Draper
 2017 Trent M. Draper
 2017 Trent M. Draper
|
|
Phyllodoce empetriformis Klamath mountain heather, Pink mountainheath
native
Shrub 
2020 Melissa Harbert
2020 Melissa Harbert
2020 Richard Spjut
|
|
Physalis crassifolia Thick leaved ground cherry, Yellow nightshade ground cherry, Yellow nightshade groundcherry
native
Annual, Perennial herb 
2006 Steve Matson
2006 Steve Matson
2015 Steve Matson
|
|
Physalis hederifolia Ivy leafed tomatillo, Ivy leaved ground cherry, Ivyleaf groundcherry
native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Physalis hederifolia var. fendleri Fendler's groundcherry, Fendler's ivy leaf tomatillo
native
Perennial herb 
2016 Keir Morse
2005 James M. Andre
2004 Robert Sivinski
|
|
Physalis pubescens Husk tomato
non-native
Perennial herb  2014 Steven Harris
 2014 Steven Harris
 2014 Steven Harris
|
|
Physaria chambersii Chambers' twinpod, Double bladderpod
• rare native
Perennial herb  2006 Trent M. Draper
 2010 Mary Winter
 2014 Zoya Akulova
|
|
Picea engelmannii Engelmann spruce
• rare native
Tree  2000 John Game
 2004 Robert Sivinski
 2003 Joseph Dougherty/ecology.org
|
|
Picea pungens Blue spruce
non-native
Tree  2003 Joseph Dougherty/ecology.org
 2010 Lee Dittmann
 2010 Lee Dittmann
|
|
Pinus edulis Two needle pinyon pine, Twoneedle pinyon
• rare native
Tree 
2020 David Greenberger
2010 Lee Dittmann
2009 Lee Dittmann
|
|
Pinus monophylla Nut pine, Oneneedle pinyon pine, Single leaf pinyon pine
native
Tree 
2019 Annie Walker
2019 Matt Berger
2018 Diane Etchison
|
|
Pinus ponderosa Ponderosa pine, Western yellow pine
native
Tree 
2021 David popp
2019 David popp
2022 Cynthia Powell
|
|
Pinus ponderosa var. scopulorum Ponderosa pine, Western yellow pine
native
Tree
2021 David popp
2019 David popp
2022 Cynthia Powell
|
|
Piptatherum miliaceum Smilo grass
• invasive non-native
Perennial grass 
2022 Donald Burk
2009 Keir Morse
2022 Donald Burk
|
|
Plagiobothrys arizonicus Arizona popcorn flower, Arizona popcornflower
native
Annual herb 
2020 Steve Matson
2020 Steve Matson
2020 Steve Matson
|
|
Plagiobothrys jonesii Simpson's popcornflower, mojave popcornflower
native
Annual herb 
2015 Steve Matson
2019 Richard Spjut
2015 Steve Matson
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb 
2017 Gary McDonald
2019 Joe Engelbrecht
2021 Ken Lunders
|
|
Plantago major Common plantain
non-native
Perennial herb 
2019 Bob Sweatt
2022 Diana Wahl
2020 Ryan Carle
|
|
Plantago ovata Desert indianwheat, Desert plantain, Woolly plantain
native
Annual herb 
2023 Julia Markey
2019 Diane Etchison
2019 Stacie Wolny
|
|
Plantago patagonica Patagonia plantain, Woolly plantain
native
Annual herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2004 James M. Andre
|
|
Platanthera hyperborea var. gracilis Slender bog orchid
• rare native
Perennial herb 
2023 Dana York
2023 Dana York
2023 Dana York
|
|
Platanthera sparsiflora Bog orchid, Sparse flowered bog orchid
native
Perennial herb 
2020 Bob Sweatt
2004 Steve Matson
2019 Matt Berger
|
|
Pleuraphis jamesii Galleta
native
Perennial grass 
2009 Steve Matson
2009 Steve Matson
2009 Steve Matson
|
|
Pleuraphis rigida Big galleta
native
Perennial grass 
2008 Steve Matson
2008 Steve Matson
2020 David Greenberger
|
|
Pleurocoronis pluriseta Arrow leaf, Bush arrowleaf
native
Shrub 
2012 Steve Matson
2016 Steve Matson
2012 Steve Matson
|
|
Pluchea odorata var. odorata Salt marsh fleabane
native
Annual, Perennial herb 
2011 Keir Morse
2011 Keir Morse
2019 Ron Vanderhoff
|
|
Pluchea sericea Arrow wed, Arrow weed, Arrowweed
native
Shrub 
2018 Terry Hunefeld
2021 Richard Spjut
2018 Christopher Hauser
|
|
Poa bigelovii Bigelow's blue grass, Bigelow's bluegrass
native
Annual grass 
2017 Keir Morse
2017 Keir Morse
2017 Keir Morse
|
|
Poa compressa Canada blue grass, Canada bluegrass
non-native
Perennial grass  2006 Louis-M. Landry
 2006 Louis-M. Landry
|
|
Poa fendleriana Muttongrass
native
Perennial grass  2010 James M. Andre
 2007 Trent M. Draper
 2006 Trent M. Draper
|
|
Poa pratensis Kentucky blue grass, Kentucky bluegrass
• invasive non-native
Perennial grass 
2013 Andrea Williams
2008 Keir Morse
2013 Andrea Williams
|
|
Polanisia dodecandra Redwhisker clammyweed
native
Annual herb 
2020 Steve Laymon
2017 Kristin Jacobs
2019 David popp
|
|
Polanisia dodecandra ssp. trachysperma Clammy weed, Sandyseed clammyweed
native
Annual herb
2020 Steve Laymon
2019 David popp
2017 Kristin Jacobs
|
|
Polygala subspinosa Spiny milkwort
• rare native
Perennial herb 
2022 Trevor Schalla
2022 Trevor Schalla
2022 Trevor Schalla
|
|
Polygonum amphibium Water smartweed
native
Perennial herb (aquatic) 
2017 Ron Vanderhoff
2017 Ron Vanderhoff
2019 Diane Etchison
|
|
Polygonum amphibium var. emersum Water smartweed
native
Perennial herb (aquatic)
2017 Ron Vanderhoff
2017 Ron Vanderhoff
2019 Diane Etchison
|
|
Polygonum amphibium var. stipulaceum Water smartweed
native
Perennial herb (aquatic)
2017 Ron Vanderhoff
2017 Ron Vanderhoff
2019 Diane Etchison
|
|
Polygonum argyrocoleon Persian knotweed, Silver sheath knotweed, Silversheath knotweed
non-native
Annual herb 
2020 Ron Vanderhoff
2018 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Polygonum aviculare Prostrate knotweed
non-native
Annual, Perennial herb 
2023 Ron Vanderhoff
2023 Cynthia Powell
2021 Ron Vanderhoff
|
|
Polygonum bistortoides Western Bistort
native
Perennial herb 
2022 Suzanne L. Weakley
2005 Steve Matson
2005 Steve Matson
|
|
Polygonum convolvulus Black bindweed
non-native
Annual herb 
2014 Robert L. Carr
2014 Robert L. Carr
2014 Robert L. Carr
|
|
Polygonum douglasii Douglas' knotweed
native
Annual herb 
2020 Bob Sweatt
2022 Mike Russler
2022 Mike Russler
|
|
Polygonum douglasii ssp. johnstonii Knotweed
native
Annual, Perennial herb 
2019 Susan McDougall
2009 Barry Breckling
2009 Barry Breckling
|
|
Polygonum lapathifolium Common knotweed
native
Annual herb 
2020 Ron Vanderhoff
2017 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Polygonum persicaria Spotted ladysthumb
non-native
Annual herb 
2020 R.A. Chasey
2021 joaquin hale
2021 joaquin hale
|
|
Polygonum polygaloides ssp. kelloggii Kellogg's knotweed
native
Annual herb 
2010 Steve Matson
2010 Steve Matson
2005 Steve Matson
|
|
Polygonum punctatum Dotted smartweed
native
Perennial herb 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2022 Helen Hancock
|
|
Polypogon interruptus Ditch beard grass, Ditch rabbitsfoot grass
non-native
Perennial grass 
2022 John Rawlings
2022 John Rawlings
2020 Ron Vanderhoff
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass 
2008 Steve Matson
2014 Steve Matson
2008 Steve Matson
|
|
Polypogon viridis Water beard grass
non-native
Perennial grass 
2022 Ron Vanderhoff
2021 Ron Vanderhoff
2019 Friends of Five Creeks volunteers
|
|
Populus angustifolia Narrow leaved cottonwood, Narrowleaf cottonwood
• rare native
Tree 
2017 Brian Powell
2010 Lee Dittmann
2010 Lee Dittmann
|
|
Populus fremontii Fremont cottonwood
native
Tree 
2018 Julie Kierstead Nelson
2023 Cynthia Powell
2019 Hailey Laskey
|
|
Porophyllum gracile Odora, Slender poreleaf
native
Perennial herb 
2019 Matt Berger
2008 Steve Matson
2023 Ron Vanderhoff
|
|
Portulaca oleracea Common purslane, Little hogweed, Purslane
non-native
Annual herb 
2022 Donald Burk
2022 Ron Vanderhoff
2020 R.A. Chasey
|
|
Potamogeton crispus Crispate leaved pondweed, Curly pondweed, Cut leaved pondweed
• invasive non-native
Perennial herb (aquatic) 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Potamogeton diversifolius Diverse leaved pondweed, Rafinesque's pondweed, Waterthread pondweed
native
Perennial herb (aquatic) 
2019 Daria Snider
2020 Daria Snider
2020 Daria Snider
|
|
Potamogeton foliosus Leafy pondweed
native
Perennial herb (aquatic) 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2016 Robert L. Carr
|
|
Potamogeton natans Floating leaved pondweed, Floating pondweed
native
Perennial herb (aquatic) 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Potentilla biennis Biennial cinquefoil
native
Perennial herb 
2022 Steve Ashcraft
2022 Steve Ashcraft
2022 Steve Ashcraft
|
|
Potentilla diversifolia Blueleaf cinquefoil
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Potentilla glandulosa Sticky cinquefoil
native
Perennial herb 
2020 Mary Conway
2019 Diane Etchison
2020 Diane Etchison
|
|
Potentilla glandulosa ssp. arizonica Sticky cinquefoil
native
Perennial herb
2020 Mary Conway
2019 Diane Etchison
2020 Diane Etchison
|
|
Potentilla norvegica Norwegian cinquefoil
non-native
Annual, Perennial herb 
2021 Bob Sweatt
2021 Bob Sweatt
2020 Bob Sweatt
|
|
Potentilla pulcherrima Beautiful cinquefoil
• rare native
Perennial herb  2013 Dylan Neubauer
 2013 Dylan Neubauer
|
|
Prenanthella exigua Bright white, Brightwhite, Thorny skeleton plant
native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2017 Steve Matson
|
|
Proboscidea parviflora Doubleclaw
native
Annual herb  2009 Barry Rice
 2009 Barry Rice
 2009 Barry Rice
|
|
Prosopis glandulosa Honey mesquite
native
Tree, Shrub 
2022 Daniel Dow
2022 Mike Russler
2015 Diane Etchison
|
|
Prosopis glandulosa var. torreyana Honey mesquite
native
Shrub 
2019 Ron Vanderhoff
2015 Diane Etchison
2021 Ron Vanderhoff
|
|
Prunella vulgaris Common selfheal, Self heal, Selfheal
native
Perennial herb 
2020 Bob Sweatt
2020 Bob Sweatt
2014 Christopher P. Cook
|
|
Prunus domestica European plum
non-native
Tree  2005 Luigi Rignanese
 2005 Luigi Rignanese
 2005 Luigi Rignanese
|
|
Prunus emarginata Bitter cherry
native
Tree, Shrub 
2020 Belinda Lo
2004 Steve Matson
2006 Steve Matson
|
|
Prunus fasciculata Desert almond, Desert range almond
native
Shrub 
2015 Steve Matson
2019 Diane Etchison
2015 Steve Matson
|
|
non-native
Tree 
2023 Ron Vanderhoff
2015 Keir Morse
2021 Ron Vanderhoff
|
|
Prunus virginiana Chokecherry
native
Tree, Shrub 
2005 Steve Matson
2005 Steve Matson
2021 Arlee Montalvo
|
|
Prunus virginiana var. demissa Chokecherry, Western choke cherry, Western chokecherry
native
Tree, Shrub
2005 Steve Matson
2005 Steve Matson
2020 Susan McDougall
|
|
Prunus virginiana var. melanocarpa Chokecherry, Western choke cherry, Western chokecherry
native
Tree, Shrub
2005 Steve Matson
2005 Steve Matson
2020 Susan McDougall
|
|
Psathyrotes annua Annual psathyrotes
native
Annual herb 
2021 Bob Sweatt
2019 Matt Berger
2021 Bob Sweatt
|
|
Psathyrotes ramosissima Velvet rosette, Velvet turtleback
native
Annual, Perennial herb 
2020 Matt Berger
2020 David Greenberger
2005 Steve Matson
|
|
Pseudognaphalium canescens ssp. canescens Wright's cudweed
native
Perennial herb  2005 Laura Ann Eliassen
 2005 Keir Morse
 2010 Gary A. Monroe
|
|
Pseudognaphalium luteoalbum Jersey cudweed
non-native
Annual herb 
2021 Ron Vanderhoff
2019 Diane Etchison
2021 Ron Vanderhoff
|
|
Pseudognaphalium macounii Macoun's everlasting
native
Annual, Perennial herb  2011 Louis-M. Landry
 2011 Louis-M. Landry
|
|
Pseudognaphalium stramineum Cottonbatting plant
native
Perennial herb 
2017 Gary McDonald
2017 Gary McDonald
2017 Gary McDonald
|
|
Pseudostellaria jamesiana Tuber starwort
native
Perennial herb 
2020 Bob Sweatt
2021 Mike Russler
2019 Julie A. Kierstead
|
|
Pseudotsuga menziesii var. glauca Douglas fir
native
Tree 
2022 Ryan O'Dell
2023 Ryan O'Dell
2023 David popp
|
|
Psoralidium lanceolatum Lance-leaved scurf-pea
• rare native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Psorothamnus arborescens California dalea, Mojave indigo bush, Mojave indigobush
native
Shrub 
2023 Bob Steele
2019 Ron Vanderhoff
2020 Steve Matson
|
|
Psorothamnus arborescens var. pubescens California dalea, Mojave indigo bush, Mojave indigobush
native
Shrub
2023 Bob Steele
2019 Ron Vanderhoff
2020 Steve Matson
|
|
Psorothamnus fremontii var. attenuatus Fremont's dalea, Fremont's indigo bush
• rare native
Shrub  2006 Dr. James D. Adams
 2019 Neal Kramer
 2019 Neal Kramer
|
|
Pteridium aquilinum Western brackenfern
native
Fern 
2019 Ron Vanderhoff
2019 Cynthia Powell
2020 Cara Wilcox
|
|
Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern
native
Fern
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2022 Bob Sweatt
|
|
Pterospora andromedea Pine drops, Pine drops, Woodland pinedrops
native
Perennial herb (parasitic) 
2006 Steve Matson
2019 Bob Sweatt
2020 Joey Santore
|
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2005 Steve Matson
|
|
Pteryxia petraea Rock cymopterus
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Puccinellia distans European alkali grass, Weeping alkaligrass
non-native
Perennial grass  2011 Steve Matson
 2011 Steve Matson
 2011 Steve Matson
|
|
Punica granatum Pomegranate
non-native
Shrub 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2002 James B. Gratiot
|
|
Purshia tridentata Antelope bitterbrush, Antelope bush, Bitterbrush
native
Shrub 
2020 Bob Sweatt
2018 Stefan Eggenberg
2005 Steve Matson
|
|
Pyrola chlorantha Green flowered wintergreen, Greenflowered wintergreen
• rare native
Shrub (stem succulent)  2013 Dr. Amadej Trnkoczy
 2012 RT Hawke
 2013 Dr. Amadej Trnkoczy
|
|
Pyrola picta White veined shinleaf, White veined wintergreen, Whitevein shinleaf
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Quercus turbinella Grey oak, Shrub live oak, Sonoran scrub oak
• rare native
Shrub 
2020 David Greenberger
2016 James Gonsman
2013 Jean Pawek
|
|
Rafinesquia californica California chicory, California plumseed
native
Annual herb 
2019 David Greenberger
2021 Ron Vanderhoff
2017 Steve Matson
|
|
Rafinesquia neomexicana California chicory, Desert chicory, New mexico plumseed
native
Annual herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Ranunculus cymbalaria Alkali buttercup
native
Perennial herb 
2013 Steve Matson
2013 Steve Matson
2013 Steve Matson
|
|
Ranunculus flammula Creeping buttercup, Greater creeping spearwort, Water buttercup
native
Perennial herb 
2014 James Gonsman
1909 Bob Sweatt
2021 Bob Sweatt
|
|
Ranunculus sceleratus Cursed buttercup, Cursed crowfoot
native
Annual herb (aquatic) 
2022 Mark Gary
2020 Roy Johnson
2016 Neal Kramer
|
|
Ranunculus uncinatus Hook seeded buttercup, Hooked fruit buttercup, Woodland buttercup
native
Annual, Perennial herb 
2019 Ken Hickman
2019 Ken Hickman
2017 James Gonsman
|
|
Ratibida columnifera Upright prairie coneflower
non-native
Perennial herb  2007 LTC William E. Ottinger, Ph.D.
 2008 Louis-M. Landry
 2008 Louis-M. Landry
|
|
Rhus ovata Sugar bush, Sugar sumac
native
Shrub 
2020 Bryant Baker
2020 Bryant Baker
2019 Bryant Baker
|
|
Rhus trilobata Fragrant sumac, Skunk Bush
native
Shrub 
2018 Steve Matson
2018 Steve Matson
2018 Steve Matson
|
|
Rhus trilobata var. simplicifolia Fragrant sumac, Skunk Bush
native
Shrub
2018 Steve Matson
2018 Steve Matson
2018 Steve Matson
|
|
Ribes cereum var. cereum Wax currant
native
Shrub 
2014 James Gonsman
2021 Bryant Baker
2020 Susan McDougall
|
|
Ribes cereum var. pedicellare Wax currant
native
Shrub
2014 James Gonsman
2021 Bryant Baker
2020 Susan McDougall
|
|
Ribes inerme White stemmed gooseberry, Whitestem gooseberry
native
Shrub 
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Ribes montigenum Alpine prickly current, Gooseberry currant, Mountain gooseberry
native
Shrub 
2018 Steve Matson
2018 Steve Matson
2020 Bob Sweatt
|
|
Ribes viscosissimum Sticky currant, Sticky flowering currant
native
Shrub 
2019 Bob Sweatt
2016 Steve Matson
2016 Steve Matson
|
|
Robinia neomexicana Desert locust, New mexico locust
• rare native
Tree, Shrub  2014 John Doyen
 2010 Lee Dittmann
 2010 James M. Andre
|
|
Rorippa curvipes Bluntleaf yellow cress, Bluntleaf yellowcress
native
Annual herb 
2020 Bob Sweatt
2020 Bob Sweatt
2008 Aaron Schusteff
|
|
Rorippa curvipes var. curvipes Bluntleaf yellow cress, Bluntleaf yellowcress
native
Annual herb
2020 Bob Sweatt
2020 Bob Sweatt
2008 Aaron Schusteff
|
|
Rorippa nasturtium-aquaticum Watercress
native
Perennial herb (aquatic) 
2019 Patrick Furtado
2019 Diane Etchison
2012 Steve Matson
|
|
Rorippa palustris Bog yellow cress, Bog yellowcress
native
Annual, Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Rosa woodsii var. ultramontana Interior rose
native
Shrub 
2018 Alison Sheehey
2019 Susan McDougall
2016 Jim Moore
|
|
Rosa woodsii var. woodsii Woods' rose
native
Shrub
2018 Alison Sheehey
2016 Jim Moore
2020 Joe Engelbrecht
|
|
Rosmarinus officinalis Rosemary
non-native
Shrub 
2022 Barbara deGery
2022 Andy Ford
2015 Chris Jaster
|
|
Rubus armeniacus Himalayan blackberry, black berry, Armenian blackberry
• invasive non-native
Shrub 
2014 James Gonsman
2020 Julie A. Kierstead
2018 Richard Spjut
|
|
Rumex acetosella Common sheep sorrel
• invasive non-native
Perennial herb 
2017 Gary McDonald
2008 Steve Matson
2019 Patrick Furtado
|
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb 
2018 Tim Lewis
2019 Diane Etchison
2023 Ron Vanderhoff
|
|
Rumex dentatus Toothed dock
non-native
Annual, Perennial herb 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Rumex hymenosepalus Canaigre dock, Wild rhubarb
native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Rumex salicifolius var. denticulatus California dock
native
Perennial herb 
2005 Steve Matson
2023 Ron Vanderhoff
2016 Cynthia Powell
|
|
Rumex salicifolius var. mexicanus Willow dock
native
Perennial herb 
2013 BOB CASE
2019 Diane Etchison
2009 Barry Breckling
|
|
Saccharum ravennae Ravennagrass
• invasive non-native
Perennial grass 
2011 Ramona Robison
2009 baelin inc
2022 Grace Ferguson
|
|
Sagina saginoides Alpine pearlwort, Arctic pearlwort, Common pearlwort
native
Perennial herb 
2023 R.A. Chasey
2022 Bob Sweatt
2022 Bob Sweatt
|
|
Sairocarpus kingii King's snapdragon
native
Annual herb 
2010 Steve Matson
2010 Steve Matson
2011 Steve Matson
|
|
Salazaria mexicana Mexican bladdersage, Paperbag bush
native
Shrub 
2006 Steve Matson
2019 Diane Etchison
2017 Thomas Egan
|
|
Salix bebbiana Bebb willow, Gray willow
• rare native
Tree  2008 Louis-M. Landry
 2008 Robert Sivinski
 2008 Louis-M. Landry
|
|
Salix exigua Narrow leaved willow, Narrowleaf willow, Sandbar willow
native
Tree, Shrub 
2015 Steve Matson
2019 Barbara Brydolf
2015 Steve Matson
|
|
Salix gooddingii Goodding's black willow, Goodding's willow, Gooding's willow
native
Tree 
2020 Ron Vanderhoff
2021 Richard Spjut
2020 Ron Vanderhoff
|
|
Salix laevigata Polished willow, Red willow
native
Tree 
2017 Steve Matson
2019 Barbara Brydolf
2022 Mark Gary
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2020 Steve Matson
|
|
Salix lucida ssp. lasiandra Pacific willow
native
Tree 
2021 Alice Cummings
2021 Diane Renshaw
2021 Ken Hickman
|
|
Salix scouleriana Nuttall willow, Scouler willow, Scouler's willow
native
Tree, Shrub 
2016 David popp
2022 John Rawlings
2012 Steve Matson
|
|
Salsola tragus Prickly russian thistle, Russianthistle, Tumbleweed
• invasive non-native
Annual herb 
2017 Ron Vanderhoff
2018 Angelique Herman
2023 Cynthia Powell
|
|
Salvia aethiopis Mediterranean sage
• invasive non-native
Perennial herb 
2018 Matt Berger
2001 CDFA
2001 CDFA
|
|
Salvia dorrii Desert sage, Dorr's sage, Purple sage
native
Shrub 
2006 Steve Matson
2019 Wendy Walker
2019 Wendy Walker
|
|
Sambucus glauca Blue elderberry
native
Shrub 
2020 Diane Etchison
2021 Richard Spjut
2016 Chris Leslie
|
|
Sambucus nigra ssp. canadensis Blue elderberry
native
Shrub
2020 Diane Etchison
2021 Richard Spjut
2016 Chris Leslie
|
|
Sambucus racemosa var. melanocarpa Rocky mountain elder
native
Shrub 
Geoff Burleigh
Geoff Burleigh
2016 Jason Matthias Mills
|
|
Sambucus racemosa var. racemosa Pacific red elderberry
native
Shrub 
2021 R.A. Chasey
2017 James Gonsman
2014 James Gonsman
|
|
Samolus valerandi ssp. parviflorus Water pimpernel
native
Perennial herb 
2023 Ron Vanderhoff
2022 Catherine Chang
2022 Catherine Chang
|
|
Sanvitalia abertii Abert's sanvitalia, Abert's creeping zinnia
• rare native
Annual herb 
2014 Kathi Ellsworth
2010 James M. Andre
2012 Keir Morse
|
|
Schismus arabicus Arabian schismus, Mediterranean grass
• invasive non-native
Annual grass 
2020 Ron Vanderhoff
2017 James Bailey
2022 Katherine Stratton
|
|
Schismus barbatus Common mediterranean grass, Old han schismus
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Schkuhria multiflora Many flowered bahia
• rare native
Annual herb 
2011 Keir Morse
2011 Keir Morse
2011 Keir Morse
|
|
Schoenoplectus americanus Chairmaker's bulrush
native
Perennial grasslike herb 
2021 Ron Vanderhoff
2016 Joan Hampton
2020 Ron Vanderhoff
|
|
Schoenoplectus maritimus Small Tree-Mallow
|
|
Schoenoplectus pungens var. longispicatus Common threesquare
native
Perennial grasslike herb  2008 Steve Matson
 2008 Steve Matson
|
|
Schoenoplectus tabernaemontani Softstem bulrush
native
Perennial grasslike herb  2008 Louis-M. Landry
 2005 Louis-M. Landry
|
|
Sclerocactus johnsonii Johnson's devil claw, Johnson's fishhook cactus
• rare native
Shrub (stem succulent) 
2022 Laura Cunningham
2015 Patrick Donnelly
2016 Patrick Donnelly
|
|
Scleropogon brevifolius Burro grass, Burrograss
• rare native
Perennial grass  2013 Duncan S. Bell
 2013 Duncan S. Bell
|
|
Sedum lanceolatum Lance leaf stonecrop, Spearleaf stonecrop
native
Perennial herb 
2014 Steve Matson
2020 Bob Sweatt
2015 Cynthia Powell
|
|
Selaginella watsonii Watson's spike moss, Watson's spikemoss
native
2019 Matt Berger
2019 Matt Berger
2019 Bob Sweatt
|
|
Senecio flaccidus var. flaccidus Shrubby ragwort, Threadleaf ragwort
native
Shrub 
2019 Ron Vanderhoff
2020 Steve Matson
2021 Mike Russler
|
|
Senecio flaccidus var. monoensis Mono groundsel, Mono ragwort
native
Shrub 
2020 Steve Matson
2020 Steve Matson
2020 Steve Matson
|
|
Senecio mohavensis Mojave groundsel, Mojave ragwort
native
Annual herb 
2020 David Greenberger
2019 Matt Berger
2016 Steve Matson
|
|
Senecio spartioides Broom groundsel, Broomlike ragwort
native
Perennial herb 
2015 Steve Matson
2007 Steve Matson
2012 Steve Matson
|
|
Senecio spartioides var. multicapitatus Broom groundsel, Broomlike ragwort
native
Perennial herb
2015 Steve Matson
2007 Steve Matson
2012 Steve Matson
|
|
Senna covesii Coves' cassia, Coves's cassia
• rare native
Perennial herb 
2018 Paul Hankamp
2010 James M. Andre
2019 Bonnie Nickel
|
|
Setaria verticillata Hooked bristlegrass
non-native
Annual grass 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Setaria viridis Green bristlegrass, Green foxtail
non-native
Annual grass 
2017 Ron Vanderhoff
2012 Zoya Akulova-Barlow
2021 David popp
|
|
Shepherdia argentea Buffalo berry, Silver buffaloberry
native
Tree, Shrub 
2019 Bryant Baker
2013 Steve Matson
2019 Bryant Baker
|
|
Sidalcea neomexicana Mountain sidalcea, Salt spring checkerbloom
• rare native
Perennial herb 
2011 Jeffrey Hapeman
2021 Jeffrey Hapeman
2019 Richard Spjut
|
|
Silene antirrhina Sleepy catch fly, Sleepy catchfly, Sleepy silene
native
Annual herb 
2019 Ken Hickman
2019 Ken Hickman
2023 Matt Berger
|
|
Silene menziesii Menzies' campion
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Silene noctiflora Night flowering campion, Nightflowering silene
non-native
Annual herb  2008 Louis-M. Landry
 2006 Louis-M. Landry
 2008 Louis-M. Landry
|
|
Silene scouleri Simple campion
native
Perennial herb 
2016 Joseph O Connor
2022 Hunter Breck
2019 Scott Yarger
|
|
Silene scouleri ssp. pringlei Simple campion
native
Perennial herb
2016 Joseph O Connor
2022 Hunter Breck
2019 Scott Yarger
|
|
Sisymbrium altissimum Tall tumblemustard, Tumble mustard, Tumbling mustard
non-native
Annual herb 
2019 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Sisymbrium irio London rocket
• invasive non-native
Annual herb 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Mike Russler
|
|
Solanum americanum American black nightshade, Common nightshade, Small flowered nightshade
native
Annual, Perennial herb 
2014 Steve Matson
2019 Gary McDonald
2021 David Wolfson
|
|
Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Solanum elaeagnifolium Horse nettle, Silver leaved horsenettle, Silverleaf nightshade
• invasive non-native
Perennial herb 
2021 Charles Russell
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
non-native
Annual, Perennial herb 
2019 Julian Geoghegan
2021 Ron Vanderhoff
2015 John Sayers
|
|
Solanum nigrum Black nightshade
non-native
Annual herb 
2019 Julian Geoghegan
2019 Patrick Furtado
2021 Mike Russler
|
|
Solanum physalifolium Hoe nightshade
non-native
Shrub 
2011 Robert L. Carr
2018 Adonis Tate
2011 Robert L. Carr
|
|
Solanum rostratum Buffalo berry, Buffalobur nightshade
non-native
Annual herb 
2016 Ron Vanderhoff
2021 Timothy Blank
2019 Ron Vanderhoff
|
|
Solanum triflorum Cutleaf nightshade, Three flowered nightshade
non-native
Annual herb 
2022 Bob Sweatt
2022 Bob Sweatt
2008 John Dittes
|
|
Solidago canadensis Canada goldenrod
native
Perennial herb 
2022 Cynthia Powell
2010 Keir Morse
2020 John Doyen
|
|
Solidago canadensis var. gilvocanescens Canada goldenrod
native
Perennial herb
2022 Cynthia Powell
2010 Keir Morse
2020 John Doyen
|
|
Solidago canadensis var. scabra Canada goldenrod
native
Perennial herb 
2020 Bob Sweatt
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Solidago missouriensis Nevada goldenrod, Showy goldenrod
native
Perennial herb 
2020 Ryan Carle
2008 Steve Matson
2008 Steve Matson
|
|
Solidago multiradiata Northern goldenrod, Rocky mountain goldenrod
native
Perennial herb 
2005 Steve Matson
2005 Steve Matson
2015 Steve Matson
|
|
Solidago velutina Threenerve goldenrod
native
Perennial herb 
2013 Steve Matson
2008 Steve Matson
2013 Steve Matson
|
|
Sonchus asper Spiny sowthistle
non-native
Annual herb 
2010 Michael Mitchell
2020 Julie A. Kierstead
2017 MCOSD Restoration Crew
|
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb 
2019 Diane Etchison
2015 Jesse Rorabaugh
2024 Ron Vanderhoff
|
|
Sophora japonica Japanese pagoda tree
non-native
Tree 
2016 Ron Vanderhoff
2016 Ron Vanderhoff
2016 Barbara Boethling
|
|
Sparganium angustifolium Narrow leaved bur reed, Narrowleaf bur reed
native
Perennial herb 
2013 BOB CASE
2013 BOB CASE
2020 Dana York
|
|
Spergularia salina Salt marsh sand spurry
native
Annual herb 
2023 Mike Russler
2021 R.A. Chasey
2021 Ron Vanderhoff
|
|
Sphaeralcea ambigua Apricot mallow, Desert globemallow, Desert mallow
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Sphaeralcea emoryi Emory's globemallow
native
Perennial herb  2010 Steven Thorsted
 2009 Robert Steers
 2010 Steven Thorsted
|
|
Sphaeralcea grossulariifolia Gooseberryleaf globemallow
• rare native
Perennial herb, Shrub  2015 Ron Wolf
 2006 James M. Andre
 2010 Mary Winter
|
|
Sphaeralcea grossulariifolia ssp. pedata Gooseberryleaf globemallow
• rare native
Perennial herb, Shrub 2015 Ron Wolf
2006 James M. Andre
2010 Mary Winter
|
|
Sphaeralcea rusbyi Rusby's globemallow
native
Perennial herb 
2011 Keir Morse
2011 Keir Morse
2008 Hartmut Wisch (var. eremicola)
|
|
Spiranthes romanzoffiana Hooded ladies tresses, Hooded ladies' tresses, Ladies' tresses
native
Perennial herb 
2018 Bill Haley
2003 Steve Matson
2003 Steve Matson
|
|
Sporobolus airoides Alkali sacaton
native
Perennial grass 
2022 Steve Matson
2022 Steve Matson
2009 Steve Matson
|
|
Sporobolus contractus Spike dropseed
native
Perennial grass  2005 James M. Andre
 2005 James M. Andre
 2011 Steve Matson
|
|
Sporobolus cryptandrus Sand dropseed
native
Perennial grass 
2022 Steve Matson
2012 Steve Matson
2022 Steve Matson
|
|
Sporobolus flexuosus Mesa dropseed
native
Perennial grass  2011 Steve Matson
 2011 Steve Matson
 2011 Steve Matson
|
|
Stanleya pinnata Desert princesplume, Prince's plume
native
Perennial herb, Shrub 
2022 Steve Matson
2022 Steve Matson
2020 Steve Matson
|
|
Stellaria media Chickweed
non-native
Annual herb 
2018 Gary McDonald
2018 Gary McDonald
2015 Diane Etchison
|
|
Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed
native
Annual herb 
2022 Catherine Chang
2022 Catherine Chang
2020 Ken Hickman
|
|
Stellaria umbellata Umbellate chickweed, Umbrella starwort
native
Perennial herb  2005 Steve Matson
 2005 Steve Matson
 2015 Barry Breckling
|
|
Stemodia durantifolia White woolly stemodia, Whitewoolly twintip
• rare native
Perennial herb 
2017 Keir Morse
2017 Keir Morse
2017 Keir Morse
|
|
Stephanomeria exigua Small wirelettuce
native
Annual herb 
2022 Steve Matson
2019 David Greenberger
2022 Steve Matson
|
|
Stephanomeria minor var. minor Narrow leaved stephanomeria, Narrow leaved wire lettuce, Wire lettuce
native
Perennial herb 
2019 Bob Sweatt
2020 Greg Froelich
2020 G
reg Froelich
|
|
Stephanomeria parryi Parry rock pink, Parry's stephanomeria, Parry's wirelettuce
native
Perennial herb 
2011 Steve Matson
2010 Steve Matson
2011 Steve Matson
|
|
Stephanomeria pauciflora Brownplume wirelettuce, Desert straw, Wire lettuce
native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2015 Steve Matson
|
|
Streptanthella longirostris Long beaked twist flower, Longbeak streptanthella, Streptanthella
native
Annual herb 
2023 Steve Matson
2017 Keir Morse
2022 Steve Matson
|
|
Streptanthus cordatus Heartleaf jewelflower, Heartleaf twistflower
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Stuckenia pectinatus Sago pondweed
native
Perennial herb (aquatic) 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Stylocline micropoides Desert nest straw, Woollyhead neststraw
native
Annual herb 
2020 David Greenberger
2004 James M. Andre
2004 James M. Andre
|
|
Suaeda moquinii Bush seepweed
native
Perennial herb 
2017 Steve Matson
2016 Steve Matson
2017 Steve Matson
|
|
Symphoricarpos longiflorus Desert snowberry, long flowered snowberry
native
Shrub 
2011 Steve Matson
2011 Steve Matson
2022 Steve Matson
|
|
Symphoricarpos rotundifolius Mountain snowberry, Roundleaf snowberry
native
Shrub 
2021 Steve Matson
2021 Steve Matson
2021 Steve Matson
|
|
Symphoricarpos rotundifolius var. parishii Parish's snowberry
native
Shrub  2005 Steve Matson
 2005 Steve Matson
|
|
Symphyotrichum ascendens Western aster
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Symphyotrichum foliaceum var. canbyi Canby's aster
native
Perennial herb  © 2014 Trent M. Draper
 2014 Trent M. Draper
 2014 Trent M. Draper
|
|
Tamarix aphylla Athel tamarisk, Athel tree
• invasive non-native
Tree 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2021 Randy Huey
|
|
Tamarix chinensis Chinese tamarisk, Fivestamen tamarisk, Salt cedar
• invasive non-native
Shrub  2011 Robert Sivinski
 2015 Robert Sikora
 2014 Ron Wolf
|
|
Tamarix ramosissima Saltcedar, Tamarisk
• invasive non-native
Tree, Shrub 
2020 Ron Vanderhoff
2017 Barbara Boethling
2022 Ron Vanderhoff
|
|
Tanacetum vulgare Common tansy
• invasive non-native
Perennial herb 
2011 Ramona Robison
2005 George W. Hartwell
2014 Zoya Akulova
|
|
Taraxacum laevigatum Common dandelion, Dandelion, Red seeded dandelion
non-native
Perennial herb 
2021 Ron Vanderhoff
2019 Diane Etchison
2021 Ron Vanderhoff
|
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb
2021 Ron Vanderhoff
2019 Diane Etchison
2021 Ron Vanderhoff
|
|
Taraxacum officinale ssp. officinale Common dandelion
non-native
Perennial herb
2019 Diane Etchison
2011 Ramona Robison
2019 Ron Vanderhoff
|
|
Tetradymia canescens Gray horsebrush, Spineless horsebrush
native
Shrub 
2015 Steve Matson
2015 Steve Matson
2012 Steve Matson
|
|
Tetraneuris acaulis var. acaulis Stemless four nerve daisy
native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2009 Lee Dittmann
|
|
Tetraneuris acaulis var. arizonica Arizona four nerve daisy
native
Perennial herb
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Thalictrum fendleri Fendler's meadow rue, Meadow rue
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Thamnosma montana Turpentine broom, Turpentinebroom
native
Shrub 
2016 Steve Matson
2020 David Greenberger
2016 Steve Matson
|
|
Thelypodium integrifolium Entire leaved thelypodium, Entireleaved thelypody
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Thelypodium integrifolium ssp. longicarpum Entire leaved thelypodium, Entireleaved thelypody
native
Perennial herb
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Thinopyrum intermedium Intermediate wheatgrass
non-native
Perennial grass 
2003 Steve Matson
2003 Steve Matson
2003 Steve Matson
|
|
Thlaspi arvense Fan weed, Field pennycress
non-native
Annual herb 
2020 Bob Sweatt
2023 Donald Burk
2020 Bob Sweatt
|
|
Thlaspi montanum var. fendleri Pennycress
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Thymophylla pentachaeta Fiveneedle pricklyleaf
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Thymophylla pentachaeta var. belenidium Five needled thymophylla, Fiveneedle pricklyleaf
native
Perennial herb
2006 Steve Matson
2020 Matt Berger
2006 Steve Matson
|
|
Thymophylla pentachaeta var. pentachaeta Fiveneedle pricklyleaf
native
Perennial herb
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Thysanocarpus curvipes Fringe pod, Fringed pod, Hairy lacepod
native
Annual herb 
2019 Steve Matson
2014 Steve Matson
2016 Steve Matson
|
|
Thysanocarpus laciniatus Common lace pod, Mountain fringepod, Narrow leaved fringe pod
native
Annual herb 
2021 Helen Hancock
2021 R.A. Chasey
2021 Helen Hancock
|
|
Tidestromia lanuginosa Woolly tidestromia
native
Annual herb  © 2014 Wynn Anderson
 2014 Wynn Anderson
 2015 Wynn Anderson
|
|
Tidestromia oblongifolia Honeysweet
native
Annual herb 
2016 Steve Matson
2022 Mike Russler
2019 Matt Berger
|
|
Tiquilia canescens Shrubby coldenia, Woody crinklemat
native
Perennial herb, Shrub 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
|
|
Tragopogon dubius Goat's beard, Yellow salsify
• invasive non-native
Perennial herb 
2023 Ken Lunders
2020 Bob Sweatt
2019 Liz Block
|
|
Tragopogon porrifolius Purple salsify
non-native
Perennial herb 
2019 Julie dinsdale
2015 David Wolfson
2020 Martin Cooper
|
|
Trianthema portulacastrum Desert horsepurslane, Horse purslane, Lowland purslane
native
Annual herb 
2018 Dan Williams
2018 Dan Williams
2004 James M. Andre
|
|
Tribulus terrestris Puncture vine, Puncturevine
• invasive non-native
Annual herb 
2015 Steve Matson
2020 Ron Vanderhoff
2020 Maura Hay
|
|
Tricardia watsonii Three hearts, Threehearts
native
Perennial herb 
2020 Matt Berger
2020 Steve Matson
2020 Steve Matson
|
|
Tridens muticus var. elongatus Slim tridens
native
Perennial grass 
2016 Keir Morse
2015 Belinda Lo
2015 Belinda Lo
|
|
Trifolium gymnocarpon Hollyleaf clover
native
Perennial herb  © 2016 Keir Morse
 2012 Dean Wm. Taylor
 2012 Dean Wm. Taylor
|
|
Trifolium gymnocarpon ssp. gymnocarpon Hollyleaf clover
native
Perennial herb © 2016 Keir Morse
2012 Dean Wm. Taylor
2012 Dean Wm. Taylor
|
|
Trifolium hybridum Alsike clover
non-native
Perennial herb  2008 Keir Morse
 2015 Barry Breckling
 2012 Zoya Akulova
|
|
Trifolium longipes Long stalked clover, Longstalk clover, Summer clover
native
Perennial herb 
2020 Bob Sweatt
2020 Bob Sweatt
2018 David popp
|
|
Trifolium longipes ssp. pygmaeum Long stalked clover, Longstalk clover, Summer clover
native
Perennial herb
2020 Bob Sweatt
2020 Bob Sweatt
2018 David popp
|
|
Trifolium repens White clover
non-native
Perennial herb 
2017 Gary McDonald
2007 Steve Matson
2017 Gary McDonald
|
|
Trisetum spicatum Narrow oatgrass, Spike trisetum
native
Perennial grass 
2002 Steve Matson
2002 Steve Matson
2002 Steve Matson
|
|
Triticum aestivum Common wheat, Wheat
non-native
Annual grass 
2022 Lenihan Mazur
2021 John Rawlings
2021 Julian Geoghegan
|
|
Trixis californica American threefold
native
Shrub 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Typha angustifolia Nail rod, Narrow leaf cattail, Narrowleaf cattail
non-native
Perennial herb (aquatic) 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Typha domingensis Narrowleaf cattail, Southern cattail
native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Typha latifolia Broadleaf cattail, Common cattail, Soft flag
native
Perennial herb (aquatic) 
2013 Steve Matson
2013 Steve Matson
2013 Steve Matson
|
|
Ulmus procera Smooth leaved elm, english elm
non-native
Tree 
2013 Arcangelo Wessells
2020 Donald Burk
2013 Arcangelo Wessells
|
|
Ulmus pumila Siberian elm
• invasive non-native
Tree 
2020 Ron Vanderhoff
2015 Steve Matson
2021 Donald Burk
|
|
Uropappus lindleyi Silver puffs, Uropappus
native
Annual herb 
2019 Zack Abbey
2019 Ron Vanderhoff
2016 Ron Vanderhoff
|
|
Urtica dioica ssp. gracilis American stinging nettle, California nettle
native
Perennial herb 
2020 Lynn Overtree
2007 Toni Corelli
2021 Chuck Kozak
|
|
Valeriana occidentalis Western valerian
• rare native
Perennial herb 
2022 Eric Engles
2008 Trent M. Draper
2008 Trent M. Draper
|
|
Verbascum thapsus Common mullein, Woolly mullein
• invasive non-native
Perennial herb 
2021 R.A. Chasey
2020 Kim Cabrera
2019 Marisa Persaud
|
|
Verbena bracteata Bigbract verbena, Bracted verbena
native
Annual, Perennial herb 
2021 Donald Burk
2019 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Verbesina encelioides Golden crownbeard
non-native
Annual herb 
2018 Ron Vanderhoff
2020 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Verbesina encelioides ssp. exauriculata Crownbeard, Golden crownbeard, Golden viguiera
non-native
Annual herb 
2021 Keir Morse
2021 Keir Morse
2014 Michael Long
|
|
Veronica americana American brooklime, American speedwell, Brooklime
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Veronica anagallis-aquatica Water speedwell
non-native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2022 Bob Sweatt
|
|
Veronica peregrina ssp. xalapensis Hairy purslane speedwell, Neckweed, Purslane speedwell
native
Annual herb 
2020 Steve Matson
2020 Ron Vanderhoff
2020 Steve Matson
|
|
Veronica serpyllifolia ssp. humifusa Bright blue speedwell, Brightblue speedwell, Sprawling speedwell
native
Perennial herb 
2003 Steve Matson
2003 Steve Matson
2020 Susan McDougall
|
|
Viburnum opulus European cranberrybush , Guelder-rose
non-native
Shrub  © 2006 Dr. Amadej Trnkoczy
 2006 Dr. Amadej Trnkoczy
 2006 Dr. Amadej Trnkoczy
|
|
Vicia americana American vetch
native
Perennial herb, Vine 
2021 Charles Smith
2021 Ron Vanderhoff
2022 Mary Sue Ittner
|
|
Vicia ludoviciana Louisiana vetch
native
Annual herb 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Viguiera parishii Parish viguiera
native
Shrub 
2019 Diane Etchison
2019 Diane Etchison
2020 Diane Etchison
|
|
Vinca minor Common periwinkle
non-native
Perennial herb 
2021 S. C. Haynes
2021 S. C. Haynes
2019 Danielle Carney
|
|
Viola nephrophylla Leconte violet, Northern bog violet
native
Perennial herb  2010 Sierra Pacific Industries
 2015 Sierra Pacific Industries
 2015 John Doyen
|
|
Vitis arizonica Canyon grape
native
Vine, Shrub  2007 Jason E. Willand
 2013 Jean Pawek
 2013 Jean Pawek
|
|
Vulpia octoflora Sixweeks grass
native
Annual grass 
2023 R.A. Chasey
2020 Sara Timby
2018 Ken Hickman
|
|
Wislizenia refracta Jack ass clover, Jackass clover, Spectacle fruit
native
Annual herb 
2019 Richard Spjut
2005 James M. Andre
2016 Neal Kramer
|
|
Woodsia oregana Cliff fern, Oregon cliff fern, Oregon woodsia
native
Fern 
2019 Matt Berger
2000 John Game
2006 Steve Matson
|
|
Xanthium strumarium Rough cockleburr
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Xylorhiza tortifolia Mojave woodyaster
native
Perennial herb 
2011 Steve Matson
2011 Steve Matson
2022 Steve Matson
|
|
Xylorhiza tortifolia var. imberbis Mojave woodyaster
native
Perennial herb
2011 Steve Matson
2011 Steve Matson
2022 Steve Matson
|
|
Yabea microcarpa California hedge parsley, False carrot
native
Annual herb 
2021 Helen Hancock
2022 R.A. Chasey
2012 Toni Corelli
|
|
Yucca baccata Banana yucca, Spanish bayonet
native
Shrub 
Geoff Burleigh
2004 James M. Andre
Geoff Burleigh
|
|
Yucca brevifolia var. brevifolia Joshua tree
native
Tree 
2018 Matt Berger
2019 Diane Etchison
2023 Thomas Egan
|
|
Zannichellia palustris Horned pondweed
native
Perennial herb 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Zigadenus paniculatus Foothill deathcamas
native
Perennial herb 
2005 Steve Matson
2005 Steve Matson
2008 Steve Matson
|
|
Ziziphus obtusifolia var. canescens Gray crucillo, Graythorn, Grey leaved abrojo
native
Shrub 
2012 Keir Morse
2012 Keir Morse
2012 Keir Morse
|
