Parnassia kotzebuei Cham.
Annotated by Raymond B. Phillips, Jul 1980. Remarks: University of California, Berkeley, Herbarium; Systematic Studies of Parnassia L.

Washington: Okanogan County: [locality and coordinates withheld; status in Washington: G5/S1 (Threatened; WANHP)],
On north facing, nearly vertical granitic cliffs, where moist. Growing mostly on moss cushions or in clumps of Saxifraga oppositifolia; petals white, narrowly elliptic, mostly shorter than the sepals; calyx shallowly bowl-shaped; staminodia with mostly only 1 lobe above the scale, sometimes with 2 or with 2 very short rudiments only about half as long as the stamens. Numerical Taxonomic Voucher Specimen: R. B. Phillips 1980, "Systematics of Parnassia L. (Parnassiaceae): Generic overview and revision of North American taxa". Ph.D. Dissertation, University of California, Berkeley. Phenology: Flowers & Fruits. Type: unspecified: Parnassia kotzebuei Cham. var. pumila Hitchc. & Ownbey. Published 1961. Vascular Plants of the Pacific Northwest 3: 28. 1961.
Holotype: Parnassia kotzebuei Cham. var. pumila Hitchc. & Ownbey. Published 1961. Vascular Plants of the Pacific Northwest 3: 28. 1961.

C. Leo Hitchcock 21605, Jun 30, 1958
With C. V. Muhlick
WTU, Accession: 195526, Barcode: WTU-V-000358