Isoetes maritima
PNW
AK
BC
WA
YK
89 specimens from 7 herbaria:
Alaska (22)
British Columbia (63)
Washington (2)
Yukon Territory (2)
28 images from 5 herbaria:
ALA (17)
BABY (1)
UAAH (2)
UBC (6)
WTU (2)