Sesbania simpliciuscula  var.  fitzroyensis
  Sesbania simpliciuscula var. fitzroyensis
  N.T.Burb.
  
    Burbidge, N.T. (1965) The Australian species of Sesbania
    Scopoli (Leguminosae). Australian Journal of Botany
    13(1): 133, figs 3(map), 14; pl. 5, 6a.
  
  
    TYPE:
      "Jubilee Station, Fitzroy River, Kimberley Division,
    Western Australia, R.D. Royce 8148, 6.iv.1964, "growth
    3–4 feet tall, plant erect few branches, leaves flowers
    and pods erect and more or less appressed. Black soil in
    watercourse." (CANB) (isotype PERTH)."