Medicago polymorpha
  Medicago polymorpha L.
  
    Linnaeus, C. von (1753), Species Plantarum Edn. 1, 1:
    779
  
  
    TYPE:
      "Habitat in Europa australi."
  
  
    COMMENT:   Not known when first naturalised, but
    see P.M.Kloot, J. Adelaide Bot. Gard. 10 (1987) 237 with
    reference to use in pastures in 1909.
  
  
    Quinlivan, B.J. (1965) Journal of the Department of
    Agriculture, Western Australia ser. 4 6: 541
  
  
    Green, P.S. in Wilson, A.J.G. (Ed) (1994), Flora of
    Australia 49: 192