Calla palustris
PNW
AK
BC
ID
MT
70 specimens from 11 herbaria:
Alaska (12)
British Columbia (50)
Idaho (2)
Montana (1)
18 images from 8 herbaria:
BABY (2)
ID (2)
IDS (1)
LEA (1)
MONT (1)
UAAH (9)
UBC (1)
WCW (1)