Humulus lupulus
PNW
AK
BC
ID
MT
OR
WA
132 specimens from 21 herbaria:
Alaska (1)
British Columbia (17)
Idaho (21)
Montana (34)
Oregon (28)
Washington (31)
75 images from 17 herbaria:
ALA (1)
HPSU (4)
ID (11)
IDE (3)
IDS (3)
MONT (1)
MONTU (13)
NOCA (6)
PLU (1)
PSM (3)
RM (4)
SRP (5)
UBC (5)
USFS (9)
WCW (2)
WTU (2)
WWB (2)