Physostegia parviflora
PNW
BC
ID
MT
OR
WA
171 specimens from 20 herbaria:
British Columbia (31)
Idaho (39)
Montana (50)
Oregon (25)
Washington (26)
79 images from 14 herbaria:
CIC (2)
HPSU (2)
ID (9)
IDS (6)
MONT (7)
MONTU (33)
PLU (1)
PNNL (1)
PSM (1)
REED (2)
SRP (3)
UBC (6)
WTU (5)
WWB (1)