Ammannia
robusta
PNW
BC
ID
MT
OR
WA
67 specimens from 9 herbaria:
British Columbia (14)
Idaho (7)
Montana (6)
Oregon (13)
Washington (27)
45 images from 8 herbaria:
CIC (1)
ID (4)
MONT (2)
MONTU (1)
OSC (6)
SRP (1)
UBC (14)
WTU (16)