Ammannia robusta
PNW
BC
ID
MT
OR
WA
40 specimens from 10 herbaria:
British Columbia (1)
Idaho (7)
Montana (4)
Oregon (13)
Washington (15)
12 images from 6 herbaria:
CIC (1)
ID (4)
MONT (1)
MONTU (1)
SRP (1)
WTU (4)