Bistorta officinalis
PNW
AK
ID
MT
OR
WA
YK
37 specimens from 11 herbaria:
Alaska (17)
Idaho (2)
Montana (3)
Oregon (1)
Washington (2)
Yukon Territory (12)
22 images from 8 herbaria:
ALA (10)
ID (5)
MONT (1)
MONTU (1)
PSM (1)
SRP (1)
UBC (2)
WCW (1)