Marrubium vulgare
PNW
BC
ID
MT
OR
WA
319 specimens from 30 herbaria:
British Columbia (17)
Idaho (101)
Montana (29)
Oregon (95)
Washington (77)
173 images from 24 herbaria:
BBLM (4)
BOIS (2)
CIC (26)
CIC-PYNF (1)
CRMO (2)
HPSU (4)
ID (28)
IDE (4)
IDS (15)
LINF (1)
MONT (9)
MONTU (9)
PLU (2)
PNNL (2)
PSM (9)
REED (1)
SOC (13)
SRP (13)
UBC (8)
VALE (3)
WCW (6)
WSTC (1)
WTU (4)
WWB (6)