Lupinus arboreus
PNW
BC
ID
OR
WA
170 specimens from 18 herbaria:
British Columbia (44)
Idaho (3)
Oregon (66)
Washington (57)
76 images from 15 herbaria:
CIC (2)
HPSU (5)
ID (2)
IDS (1)
NOCA (4)
OSC (24)
PLU (2)
PSM (5)
REED (1)
SOC (11)
SRP (2)
UBC (5)
WCW (2)
WTU (7)
WWB (3)