Alisma triviale
PNW
AK
BC
ID
MT
OR
WA
YK
435 specimens from 25 herbaria:
Alaska (11)
British Columbia (19)
Idaho (83)
Montana (76)
Oregon (118)
Washington (126)
Yukon Territory (2)
148 images from 20 herbaria:
ALA (11)
BABY (1)
BBLM (1)
BBLM-OWY (2)
BOIS (1)
CIC (26)
EWU (1)
ID (20)
IDS (4)
MONT (42)
NOCA (2)
PSM (5)
RM (1)
SRP (8)
UBC (6)
USFS (3)
UWB (2)
VALE (1)
WTU (7)
WWB (4)