Poterium sanguisorba var. polygamum
PNW
BC
ID
MT
OR
WA
156 specimens from 25 herbaria:
British Columbia (25)
Idaho (39)
Montana (16)
Oregon (41)
Washington (35)
86 images from 17 herbaria:
BABY (1)
BBLM (2)
BOIS (1)
CIC (6)
CIC-PYNF (1)
CRMO (1)
HPSU (1)
ID (10)
IDE (7)
IDS (3)
MONT (10)
MONTU (5)
SOC (6)
SRP (9)
UBC (5)
WTU (17)
WWB (1)