Polygonum sawatchense Small ssp. oblivium Costea & Tardif

Washington: Chelan County: About 2.9 air miles NNW of the junction of the Entiat River and the Columbia River. About 0.6 air miles SE of the junction of NF 5302 (Crum Canyon Road) and Forest Service 5302-220 Power Line Breaks Road. Elev. 3208 ft.
47.70461° N, 120.24569° W
Datum: WGS 84. Uncertainty: 15 meters. Coordinate Source: GPS.
Meadows on hard packed but sandy soil, seems to be a deposit on a rocky base, peninsulas of fine soil seem to be on top of lithosol adjoining larger meadows; with Collinsia, Festuca, Dodecathon, Eriogonum, Antennaria umbrinella, Triteleia grandiflora, and Polygonum sawatchense Fairly common. Flowers open, petals spreading, papillose leaf edges at 20X, also some ocrea and stems on some plants with "papillose/scabrous" protuberances at 20X. Phenology: Flowers and Fruits.

Daniel G. Christian s.n., May 17, 2021
WTU, Accession: 460749, Barcode: WTU-V-116581