^Burbidge, Andrew (1 February 2010), "Global hotspot under stress: while the south-west corner of Western Australia is recognised as a global biodiversity hotspot, its unique ecosystems have suffered land clearing, introduced pests and weeds, a changed fire regime, loss of water and salinisation. climate change may tip the balance for some species, unless effective action is taken.(Focus)", Ecos (153), CSIRO Publishing: 18(2), ISSN0311-4546
^Lambers, H., ed. (2014), Plant life on the sandplains in southwest Australia : a global biodiversity hotspot : kwongan matters, Crawley, Western Australia UWA Publishing, ISBN978-1-74258-564-2