Trillium albidum
PNW
MT
OR
WA
185 specimens from 15 herbaria:
Montana (1)
Oregon (156)
Washington (28)
98 images from 13 herbaria:
EVE (1)
HPSU (15)
ID (1)
LINF (6)
MONT (1)
OSC (36)
PLU (4)
PSM (8)
SOC (17)
SRP (2)
UBC (1)
WS (3)
WTU (3)