Callitriche
trochlearis
PNW
AK
BC
ID
OR
WA
14 specimens from 5 herbaria:
Alaska (1)
British Columbia (1)
Idaho (2)
Oregon (9)
Washington (1)
5 images from 4 herbaria:
ID (2)
SOC (1)
UBC (1)
WTU (1)
