1. J. T.Audas: “Native Trees of Australia” 1942.
2. F. M.Bailey: “Comprehensive Catalogue of Queensland Plants” 1909; “The Queensland Flora” 1902 Volumes I to VI; “The Weeds and Suspected Poisonous Plants of Queensland” 1906.
3. R. T.BakerandH. G.Smith: “A Research on the Pines of Australia” 1910; and “Eucalypts and their Essential Oils” 1920.
4. E. W.Bick:Personal communication.
5. E.Coleman: “The Australian Wattles” 1943.