Sericocarpus rigidus Lindl.
Annotated by John C. Semple and M. Blondin, 2002. Remarks: University of Waterloo. Multivarate Studies in Asteraceae.

Washington: Thurston County: [locality and coordinates withheld; status in Washington: G3/S3 (Sensitive; WANHP)],
Generally on mounds, but where the vegetation is relatively sparse. With Festuca idahoensis, Cammassia, Hieracium cynoglossoides, Potentilla. Often in patches of several to many per square meter. Phenology: Flowers & Fruits.

Christopher Clampitt 58, Jul 23, 1983
WTU, Accession: 291829, Barcode: WTU-V-034825