Tanacetum bipinnatum
PNW
AK
BC
ID
OR
WA
200 specimens from 18 herbaria:
Alaska (23)
British Columbia (27)
Idaho (1)
Oregon (100)
Washington (45)
88 images from 15 herbaria:
BABY (3)
COCC (2)
HPSU (7)
ID (6)
IDS (1)
OSC (4)
PLU (5)
PSM (2)
SOC (6)
SRP (3)
UAAH (7)
WCW (3)
WS (3)
WTU (32)
WWB (4)