Saxifraga integrifolia Hook. var. claytoniaefolia (Canby) Rosend.
[= Micranthes fragosa]

Washington: Klickitat County: 5 mi N of Lyle, along hwy to White Salmon.
On gravelly banks. All plants with brittle horizontal ascending rootstocks and rather copiously bulbiferous along the rhizomes; in all, the ovary nearly submerged in a lobed disc and at anthesis over 1/2 inferior; petals either greenish-white, or more pure white and possibly larger than the greenish-white phase, in the white-petalled form, especially, usually quickly aging to purple and the filaments (all subulate) and fruits also turning to purple; anthers golden orange on the greenish-white petalled pls, more nearly greenish-yellow on the white petalled ones; plants in general of the two types and each quite distinctive, but they integrade rather completely, all with elongate, but corymbose-branched (flattopped) inflorescences. Phenology: Flowers.

C. Leo Hitchcock 21489, Apr 11, 1958
With C.V. Muhlick
ID, Accession: 41701, Barcode: ID058311