2 literature references for Vicia equina Steud.:

Author: Maxted,N.
Year: 1990
Title:
Source: A Rev.of Vicia subg.Vicia using DB tech. PhD thes.Southamp.
Author: Gunn,C.R.
Year: 1979
Title:
Source: Techn.Bull.U.S.D.A. 1601:1-41 Genus Vicia .....C.America