Synonyms
Lathyrus linearis Nutt.
Vicia trifida D.Dietr.
Vicia americana subsp. minor (Hook.) Piper & Beattie
Vicia keatingii Steud.
Vicia caespitosa A.Nelson
Vicia americana var. linearis (Nutt.) S.Watson
Vicia linearis var. caespitosa (A.Nelson) A.Nelson
Vicia americana var. angustifolia Nees
Vicia callianthema Greene
Vicia dissitifolia (Nutt.) Rydb.
Vicia linearis (Nutt.) Greene
Vicia sparsifolia Nutt.
Lathyrus dissitifolius Nutt.