Subalpine Larches

''Larix lyallii'', the subalpine larch, or simply alpine larch, is a deciduous, coniferous tree native to northwestern North America. It lives at very high altitudes—1,800 to 2,400 m —in the Rocky Mountains of Idaho, Montana, British Columbia, and Alberta. There is a disjunct population in the Cascade Range of Washington.

Subalpine larch is hardy and can survive very low temperatures in thin rocky soils, which is why the tree is often found near treeline. However, it can grow in.. more