Zizania palustris
PNW
BC
ID
MT
OR
WA
36 specimens from 10 herbaria:
British Columbia (7)
Idaho (15)
Montana (7)
Oregon (2)
Washington (5)
22 images from 6 herbaria:
BLMMD (2)
ID (9)
MONT (4)
MONTU (1)
UBC (4)
WTU (2)