Ulmus pumila
PNW
BC
ID
MT
OR
WA
125 specimens from 19 herbaria:
British Columbia (11)
Idaho (44)
Montana (6)
Oregon (22)
Washington (42)
67 images from 13 herbaria:
BLMVL (1)
CIC (4)
CRMO (3)
EWU (4)
ID (16)
IDS (11)
MONTU (1)
NOCA (2)
PNNL (1)
SRP (10)
UBC (6)
WSTC (2)
WTU (6)