Allium cernuum
PNW
BC
ID
MT
OR
WA
1020 specimens from 28 herbaria:
British Columbia (262)
Idaho (51)
Montana (407)
Oregon (63)
Washington (237)
362 images from 24 herbaria:
BOIS (3)
CIC (6)
CIC-SHO (1)
HPSU (4)
ID (48)
IDS (12)
LEA (3)
LINF (1)
MONT (68)
MONTU (83)
NOCA (3)
PLU (4)
PNNL (4)
PSM (11)
REED (2)
RM (14)
SBLM (2)
SOC (1)
SRP (8)
UBC (23)
USFS (17)
WCW (2)
WTU (25)
WWB (17)