Polygonum
sawatchense
ssp.
oblivium
PNW
BC
ID
OR
WA
67 specimens from 9 herbaria:
British Columbia (9)
Idaho (23)
Oregon (22)
Washington (13)
40 images from 9 herbaria:
CIC (7)
EWU (1)
ID (2)
IDS (1)
OSC (11)
SRP (7)
UBC (3)
WS (1)
WTU (7)