Synonyms
Lupinus congdonii (C.P.Sm.) D.B.Dunn
Lupinus polycarpus Greene
Lupinus bicolor subsp. pipersmithii D.B.Dunn (A.Heller)
Lupinus bicolor var. trifidus (S.Watson) C.P.Sm.
Lupinus bicolor subsp. marginatus D.B.Dunn
Lupinus bicolor subsp. umbellatus D.B.Dunn (Greene)
Lupinus bicolor var. rostratus (Eastw.) Jeps.
Lupinus bicolor subsp. tridentatus D.B.Dunn (Eastw.)
Lupinus micranthus var. congdonii C.P.Sm.
Lupinus bicolor var. micranthus B.Boivin
Lupinus polycarpus var. grandiflorus Davidson & Moxley