Lupinus longifolius (S. Watson) Abrams, Fl. Los Angeles 209. 1904 sec. Flora of North America Editorial Comitee 2023
- ≡Lupinus chamissonis var. longifolius S.Watson, Bot. California [W.H.Brewer] 1: 117. 1876 syn. sec. Flora of North America Editorial Comitee 2023