White, C.T. & Francis, W.D. (1924), Contributions to the Queensland Flora, No. 2. Proceedings of the Royal Society of Queensland 35: 79 [tax. nov.]

• Type: Placospermum C.T.White & W.D.Francis.

Weston, P.H. in McCarthy, P.M. (ed.) (1995), Proteaceae subfam. 1. Persoonioideae. Flora of Australia 16: 47 [secondary reference]

Weston, P.H. & Barker, N.P. (13 November 2006), A new suprageneric classification of the Proteaceae, with an annotated checklist of genera. Telopea 11(3): 229-230 [secondary reference]

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