[Vicia americana subsp. oregana (Nutt.) Abrams, moreVicia americana var. oregana (Nutt.) A. Nels., Vicia americana var. truncata (Nutt.) Brewer, Vicia americana var. villosa (Kellogg) F.J. Herm., Vicia californica Greene, Vicia californica var. madrensis Jepson, Vicia oregana Nutt., Vicia sparsifolia var. truncata (Nutt.) S. Wats., Vicia truncata Torr. & A.Gray]
Infrequent throughout the lake area in marshes, along moist roadsides, and on the low borders of lakes. Smith's report from Clark County should be referred to the preceding species. This species is often confused with Lathyrus palustris. (See that species for discussion.)
