Tanacetum bipinnatum
PNW
AK
BC
OR
WA
YK
277 specimens from 16 herbaria:
Alaska (103)
British Columbia (26)
Oregon (96)
Washington (38)
Yukon Territory (14)
164 images from 13 herbaria:
ALA (85)
BABY (3)
HPSU (8)
ID (6)
PLU (5)
PSM (2)
SOC (6)
SRP (3)
UAAH (6)
UBC (1)
WCW (3)
WTU (32)
WWB (4)