Cutright (1969: 406) misidentifies the specimen as Claytonia linearis Douglas ex Hook. (Fl. Boreali-Amer. 1: 224. 1834). The species is also known as Montia linearis (Douglas ex Hook.) Greene (Fl. Francisc.: 181. 1891). The specimen was apparently collected on 27 Jun 1806 near Hungery Creek along the Lolo Trail in Idaho Co., Idaho (Moulton, 1993: 55-59). (The Lewis & Clark Herbarium Digital Imagery Study Set, ANSP, 2002) On deposit at the Academy of Natural Sciences, Philadelphia Collected by:Meriwether Lewis & William Clark Collection date:06/27/1806