Domin, K. (1928), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 976 [comb. nov.]

basionym: Hibbertia billardierei var. obovata R.Br. ex Benth. legitimate

Toelken, H.R. (20 November 1998), Notes on Hibbertia (Dilleniaceae) 2. The H. aspera - empetrifolia complex. Journal of the Adelaide Botanic Gardens 18(2): 147 [taxonomic synonym]

taxonomic synonym of: Hibbertia hirticalyx Toelken legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Hibbertia hirticalyx Toelken legitimate

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