Wilson, Paul G. (16 September 1998), A taxonomic review of the genera Eriostemon and Philotheca (Rutaceae: Boronieae). Nuytsia 12(2): 249, fig. 2G-I. [comb. nov.]

basionym: Eriostemon difformis A.Cunn. ex Endl. legitimate

Weston, P.H. & Harden G.J. in Harden, G.J. (ed.) (2002), Philotheca. Flora of New South Wales Revised Edition 2: 294-295 [secondary reference]

nomenclatural synonym: Eriostemon difformis A.Cunn. ex Endl. legitimate

Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - APC [secondary reference]

orthographic variant: Eriostemon difforme Endl. orth. var. orthographic variant: Eriostemon rhombeum Lindl. orth. var. nomenclatural synonym: Eriostemon difformis A.Cunn. ex Endl. legitimate taxonomic synonym: Eriostemon rhombeus Lindl. legitimate

• APC Dist.: SA, Qld, NSW, Vic

Wilson, Paul G. in Wilson, A.J.G. (ed.) (2013), Philotheca. Flora of Australia 26: 378 [secondary reference]

nomenclatural synonym: Eriostemon difformis A.Cunn. ex Endl. legitimate taxonomic synonym: Eriostemon rhombeus Lindl. legitimate taxonomic synonym: Eriostemon parvifolius R.Br. ex Benth. legitimate

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