Populus deltoides
PNW
BC
ID
MT
OR
WA
209 specimens from 17 herbaria:
British Columbia (3)
Idaho (44)
Montana (104)
Oregon (35)
Washington (23)
175 images from 14 herbaria:
BBLM (1)
BLMVL (4)
BOIS (1)
CIC (17)
COCC (1)
ID (15)
IDE (2)
IDS (8)
MONT (66)
MONTU (34)
OSC (3)
PSM (1)
SRP (11)
WTU (11)