Plectritis involuta

Washington: Klickitat: Bingen, Columbia River.
45.715° N, 121.46333° W,
Damp places among bushes. Penciled: TYPE Plectritis invouta Suksd.; Deutsche Bot. Monatsschr. 15: 144. 1897. Https://intermountainbiota.org/portal/collections/individual/index.php?occid=30825816. Phenology: flowering.

Wilhelm N. Suksdorf 666, 1884-5-22
WS, Catalog: 74525