Thaspium aureum Nutt. var. trifoliatum Coulter and Rose
[= Thaspium trifoliatum var. trifoliatum]

Washington: Spokane County: Medical Lake.
47.57139° N, 117.68556° W,
Datum: WGS 84. Uncertainty: 1000 meters. Coordinate Source: GeoLocate.
Phenology: Flowers.

J. H. Sandberg 4129, May 1893
With J. B. Leiberg
WTU, Accession: 13191