3 literature references for Lupinus attenuatus Hassl.:

Author: Planchuelo,A.M. & Dunn,D.B.
Year: 1984
Title:
Source: Ann.Missouri Bot.Gard.71(1):92-103 ...Lupines...in Argentina
Author: Smith,C.P.
Year: 1945
Title:
Source: Sp. Lupinorum 481-501 Lupinus in Brazil
Author: Smith,C.P.
Year: 1945
Title:
Source: Sp. Lupinorum 501-502 Lupinus in Paraguay