Sparganium angustifolium
PNW
AK
BC
ID
MT
OR
WA
YK
701 specimens from 27 herbaria:
Alaska (143)
British Columbia (158)
Idaho (69)
Montana (88)
Oregon (61)
Washington (166)
Yukon Territory (16)
327 images from 19 herbaria:
ALA (104)
BABY (3)
BBLM (1)
CIC (11)
EWU (1)
HPSU (4)
ID (23)
IDS (6)
MONT (7)
MONTU (62)
NOCA (7)
PLU (2)
PSM (2)
SOC (2)
SRP (7)
UAAH (13)
UBC (59)
WTU (10)
WWB (3)