Meisner, C.D.F. in Candolle, A.L.P.P. de (ed.) (1856), Proteaceae. Prodromus Systematis Naturalis Regni Vegetabilis 14(1): 274 [tax. nov.]

• Type: "Preiss, n. 658! 659!"

• Comment: Published as `β intermedia'.

Foreman, D.B. in McCarthy, P.M. (ed.) (1995), Petrophile. Flora of Australia 16: 190 [taxonomic synonym]

taxonomic synonym of: Petrophile heterophylla Lindl. legitimate

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [secondary reference]

orthographic variant: Petrophila heterophylla var. intermedia Meisn. orth. var.

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Petrophile heterophylla Lindl. legitimate

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