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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Asclepias erosa
BISH 403674 · Thorne, R.F.; Tilforth, C., 1973
San Bernardino, Mojave Desert, Amboy Road, S of Sheephole summit, S foot of Sheephole Mts.
Asclepias fascicularis
BISH 80303 · Thorne, R.F.; Tilforth, C., 1971
San Gabriel Mts., Angeles NF, Little Rock Creek, below Forestry Station, 0.5 mi. below Dam