Callitriche stagnalis
PNW
BC
ID
MT
OR
WA
208 specimens from 18 herbaria:
British Columbia (40)
Idaho (2)
Montana (6)
Oregon (86)
Washington (74)
115 images from 14 herbaria:
CIC (1)
HPSU (29)
ID (5)
LEA (1)
MONTU (4)
NOCA (6)
OSC (35)
PLU (5)
PSM (2)
SOC (2)
SRP (2)
UBC (3)
WTU (18)
WWB (2)