Ulmus pumila
PNW
BC
ID
MT
OR
WA
136 specimens from 17 herbaria:
British Columbia (12)
Idaho (46)
Montana (4)
Oregon (22)
Washington (52)
89 images from 14 herbaria:
BLMVL (1)
CIC (4)
CRMO (3)
EWU (4)
ID (17)
IDS (11)
MONT (1)
MONTU (2)
NOCA (2)
OSC (11)
SRP (12)
UBC (6)
WS (5)
WTU (10)