Zizania palustris
PNW
BC
ID
MT
OR
WA
45 specimens from 10 herbaria:
British Columbia (13)
Idaho (15)
Montana (6)
Oregon (5)
Washington (6)
32 images from 9 herbaria:
BLMMD (2)
COCC (3)
ID (10)
MONT (4)
MONTU (1)
OSC (1)
UBC (8)
WS (1)
WTU (2)