Populus trichocarpa
PNW
AK
BC
ID
MT
OR
WA
876 specimens from 39 herbaria:
Alaska (19)
British Columbia (45)
Idaho (246)
Montana (96)
Oregon (220)
Washington (250)
513 images from 36 herbaria:
BABY (1)
BBLM (2)
BLMVL (16)
BOIS (5)
CIC (44)
CIC-PYNF (1)
COCC (3)
CRMO (5)
EWU (8)
HJAEF (1)
HPSU (13)
ID (121)
IDS (22)
LEA (2)
LINF (1)
MONT (14)
MONTU (69)
MORA (4)
NOCA (2)
OSC (5)
PLU (13)
PSM (4)
REED (2)
SAJH (1)
SBLM (1)
SEF (1)
SOC (12)
SRP (60)
TFBLM (1)
UAAH (4)
UBC (10)
UWB (4)
WCW (13)
WS (18)
WTU (19)
WWB (11)