Pterigynandrum filiforme
PNW
AK
BC
ID
MT
OR
WA
YK
426 specimens from 11 herbaria:
Alaska (64)
British Columbia (137)
Idaho (51)
Montana (62)
Oregon (39)
Washington (71)
Yukon Territory (2)
31 images from 3 herbaria:
ALA (27)
SRP (3)
WTU (1)