Sparganium angustifolium
PNW
AK
BC
ID
MT
OR
WA
606 specimens from 26 herbaria:
Alaska (40)
British Columbia (159)
Idaho (70)
Montana (84)
Oregon (64)
Washington (181)
309 images from 22 herbaria:
BABY (3)
BBLM (1)
CIC (9)
HPSU (4)
ID (25)
IDS (6)
IFBLM (1)
MONT (7)
MONTU (62)
MORA (7)
NOCA (7)
OSC (28)
PLU (2)
PSM (2)
SOC (2)
SRP (9)
TFBLM (1)
UAAH (17)
UBC (54)
WS (5)
WTU (54)
WWB (3)