Erigeron piperianus
PNW
WA
72 specimens from 10 herbaria:
Washington (72)
No County (3)
Adams (12)
Benton (17)
Douglas (1)
Franklin (6)
Grant (21)
Kittitas (6)
Klickitat (2)
Lincoln (1)
Okanogan (1)
Spokane (1)
Yakima (1)
35 images from 8 herbaria:
HPSU (1)
ID (3)
MONT (1)
PLU (5)
PSM (1)
WS (5)
WTU (17)
WWB (2)