Trillium albidum
PNW
MT
OR
WA
154 specimens from 15 herbaria:
Montana (1)
Oregon (128)
Washington (25)
47 images from 11 herbaria:
EVE (1)
HPSU (3)
ID (1)
LINF (6)
MONT (1)
PLU (4)
PSM (8)
SOC (16)
SRP (2)
UBC (1)
WTU (4)