Toxicodendron radicans var. rydbergii
PNW
BC
ID
MT
OR
WA
152 specimens from 17 herbaria:
British Columbia (24)
Idaho (16)
Montana (45)
Oregon (27)
Washington (39)
102 images from 13 herbaria:
BBLM (1)
CIC (5)
EWU (2)
ID (6)
IDE (4)
MONT (26)
MONTU (16)
OSC (12)
PSM (5)
SRP (2)
TFBLM (1)
UBC (13)
WTU (9)