Sium suave
PNW
AK
BC
ID
MT
OR
WA
449 specimens from 24 herbaria:
Alaska (6)
British Columbia (116)
Idaho (82)
Montana (92)
Oregon (72)
Washington (75)
211 images from 20 herbaria:
BABY (1)
BLMVL (1)
BOIS (1)
CIC (9)
CIC-PYNF (2)
HPSU (3)
ID (42)
IDS (15)
MONT (23)
MONTU (37)
OSC (4)
PSM (1)
REED (2)
SRP (22)
UAAH (5)
UBC (25)
VALE (1)
WS (1)
WTU (12)
WWB (4)