George, Alex S. (1999). Flora of Australia(PDF). Vol. 17B. Canberra: Australian Biological Resources Study, Canberra. p. 218. Retrieved 13 May 2020.
George, Alex S. (1999). Flora of Australia(PDF). Vol. 17B. Canberra: Australian Biological Resources Study, Canberra. pp. 214–222. Retrieved 13 May 2020.