Xanthium silphiifolium
PNW
WA
1 specimens from 1 herbaria:
Washington (1)
Klickitat (1)
Xanthium silphiifolium GreeneWashington: Klickitat County: Western Klickitat County: Sandy banks of the Columbia River.
45.866670°, -120.766670°
Isotype. isotype.
W. N. Suksdorf s.n., 28 Sep 1883
NY, Barcode: 00278106