Polygonum engelmannii
PNW
BC
ID
MT
OR
WA
24 specimens from 8 herbaria:
British Columbia (1)
Idaho (5)
Montana (16)
Oregon (1)
Washington (1)
18 images from 7 herbaria:
CIC (1)
ID (2)
IDS (3)
LEA (1)
MONT (3)
MONTU (7)
UBC (1)