Ambrosia acanthicarpa
PNW
ID
MT
OR
WA
212 specimens from 21 herbaria:
Idaho (89)
Montana (7)
Oregon (42)
Washington (74)
106 images from 17 herbaria:
BBLM (1)
BOIS (2)
CIC (13)
CRMO (3)
HPSU (2)
ID (29)
IDE (13)
IDS (9)
MONT (6)
MONTU (1)
PNNL (3)
PSM (4)
SRP (9)
WCW (2)
WSTC (1)
WTU (5)
WWB (3)