Nicholls, W.H. (1939), Notes on Caladenia testacea, R.BR., C. angustata, Ldl. and other forms. The Victorian Naturalist 55: 168 [comb. nov.]

basionym: Caladenia praecox Nicholls legitimate

Curtis, W.M. (1980), Angiospermae: Orchidaceae. The Student's Flora of Tasmania 4A: 109 [nomenclatural synonym]

nomenclatural synonym of: Caladenia praecox Nicholls legitimate

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 23 [taxonomic synonym]

taxonomic synonym of: Caladenia dimorpha Fitzg. legitimate

Entwisle, T.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Orchidaceae. Flora of Victoria Edn. 1, 2: 770 [nomenclatural synonym]

nomenclatural synonym of: Caladenia praecox Nicholls legitimate

Jones, D.L. in Banks, D.P. (ed.) (1998), A taxonomic review of Caladenia in Tasmania. Australian Orchid Research 3: 45 [nomenclatural synonym]

nomenclatural synonym of: Caladenia praecox Nicholls legitimate

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Caladenia praecox Nicholls legitimate

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 91 [nomenclatural synonym]

nomenclatural synonym of: Caladenia praecox Nicholls legitimate

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