2 literature references for Lupinus rivularis Lindl.:

Author: Hickman,J.C.(ed.)
Year: 1993
Title:
Source: The Jepson Manual: Higher Plants of California. 1400pp.
Author: Dunn,D.B. & Gillett,J.B.
Year: 1966
Title:
Source: Research Branch Canada Dept.Agric.,Monogr.No.2.Lupines-Ca.,A