Bentham, G. (5 October 1864), Flora Australiensis 2: 292 [comb. nov.]

• Type: "Sturt's Creek and Gulf of Carpentaria, F. Mueller."

basionym: Petalogyne cassioides F.Muell. legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 152 [secondary reference]

Black, J.M. (1924), Casuarinaceae - Euphorbiaceae. Flora of South Australia 2: 294 [secondary reference]

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 432, Fig. 591 [secondary reference]

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 239 [secondary reference]

Williams, K.A.W. (1980), Native Plants of Queensland Edn. 2, 1: 228 [secondary reference]

common name: Butterfly Bush [n/a]

Symon, D.E. in Jessop, J.P. (ed.) (1981), Caesalpinaceae. Flora of Central Australia: 106 [nomenclatural synonym]

nomenclatural synonym of: Petalostylis cassioides (F.Muell.) Symon legitimate

Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Caesalpiniaceae. Flora of the Kimberley Region: 350 [taxonomic synonym]

taxonomic synonym of: Petalostylis cassioides (F.Muell.) Symon legitimate

Ross, J.H. in McCarthy, P.M. (ed.) (1998), Erythrophleum. Flora of Australia 12: 159 [nomenclatural synonym]

nomenclatural synonym of: Petalostylis cassioides (F.Muell.) Symon legitimate

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [secondary reference]

orthographic variant: Petalostyles labicheoides var. cassioides Benth. orth. var.

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