Polygonum
erectum
PNW
ID
MT
OR
WA
41 specimens from 11 herbaria:
Idaho (9)
Montana (19)
Oregon (4)
Washington (9)
28 images from 10 herbaria:
ID (1)
IDE (4)
IDS (1)
MONT (10)
MONTU (7)
OSC (1)
PSM (1)
REED (1)
SRP (1)
WTU (1)