Toxicodendron radicans
PNW
BC
ID
MT
OR
WA
YK
274 specimens from 24 herbaria:
British Columbia (28)
Idaho (36)
Montana (106)
Oregon (27)
Washington (75)
Yukon Territory (2)
156 images from 19 herbaria:
ALA (1)
BBLM (1)
CIC (6)
EWU (4)
ID (17)
IDE (4)
IDS (4)
MONT (27)
MONTU (22)
NOCA (4)
PLU (2)
PSM (6)
RM (1)
SRP (5)
UAAH (1)
UBC (13)
USFS (29)
WTU (1)
WWB (8)