Acer
negundo
PNW
BC
ID
MT
OR
WA
365 specimens from 27 herbaria:
British Columbia (20)
Idaho (126)
Montana (65)
Oregon (59)
Washington (93)
260 images from 25 herbaria:
BABY (2)
BOIS (1)
CIC (19)
CIC-PYNF (1)
COCC (1)
EWU (4)
HPSU (4)
ID (49)
IDS (17)
LEA (2)
MONT (46)
MONTU (17)
NOCA (3)
OSC (13)
PLU (8)
PSM (8)
REED (1)
SOC (5)
SRP (30)
UBC (7)
VALE (1)
WCW (8)
WS (2)
WTU (8)
WWB (3)