Abies

Abies concolor white fir OR: Fremont NF, Spjut 15547, Aug 2003 ∂-thujaplienin, active in KB, was isoalted by Cole from Abies concolor (Hartwell 1976).	Abies lasiocarpa subalpine fir Marble Mts. Wilderness, CA; trail to Marble Mt.[ July 1987 Recognized by the branches reaching all the way to the ground, leaves not notably flattened, not bending forward, not with half twist near base, and not with abruptly decurrent bases.
Abies magnifica var. shastensis Shasta fir Mt. Shasta, CA Spjut 14898, July 2002	Abies magnifica var. shastensis Marble Mts. Wilderness, Lake-of-the-Island CA, 5600 ft, July 2006 Recognized by the fissured bark, quadrangular leaves appearing abruptly bent and decurrent near leaf base