Physostegia parviflora
PNW
BC
ID
MT
OR
WA
200 specimens from 17 herbaria:
British Columbia (60)
Idaho (40)
Montana (46)
Oregon (27)
Washington (27)
92 images from 14 herbaria:
CIC (2)
HPSU (2)
ID (10)
IDS (7)
MONT (7)
MONTU (33)
OSC (11)
PLU (1)
PSM (1)
REED (2)
SRP (3)
UBC (5)
WTU (7)
WWB (1)