Lindley, J. (1 January 1840), A Sketch of the Vegetation of the Swan River Colony: liii. [comb. et stat. nov.]

• Type: (not designated).

basionym: Caladenia sect. Leptoceras R.Br. legitimate

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 113 [taxonomic synonym]

taxonomic synonym of: Caladenia R.Br. legitimate

Rogers, R.S. in Black, J.M. (1922), Orchidaceae. Flora of South Australia 1: 133-134 [secondary reference]

• Etymology: Greek leptos, thin; keras, horn, antenna: referring to the petals.

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 228 [secondary reference]

• Etymology: "Greek leptos, thin; keras, horn, antenna; referring to the petals"

George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 183 [secondary reference]

nomenclatural synonym: Caladenia sect. Leptoceras R.Br. legitimate

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 20 [taxonomic synonym]

taxonomic synonym of: Caladenia R.Br. legitimate

Brummitt, R.K. (1992), Vascular Plant Families and Genera: 242 [taxonomic synonym]

taxonomic synonym of: Caladenia R.Br. legitimate

Jones, D.L., Wapstra, H., Tonelli, P. & Harris, S. (1999), The Orchids of Tasmania: 163 [secondary reference]

• Etymology: "... and unusual erect ear-like petals ... The generic name also refers to this feature and is derived from the Greek leptos (slender) and ceras (horn)."

Jones, D.L., Clements, M.A., Sharma, I.K. & Mackenzie, A.M. (September 2001), A new classification of Caladenia R.Br. (Orchidaceae). The Orchadian 13(9): 404 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Flora of the South West 1: 372 [secondary reference]

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 213 [secondary reference]

common name: Rabbit orchid [n/a]

• Etymology: "slender horn, alluding to the horn-like petals"

Council of Heads of Australasian Herbaria (2008), Australian Plant Census: - [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 482 [secondary reference]

Hoffman, N. & Brown, A. (2011), Orchids of South-West Australia Edn. 3: 213 [secondary reference]

common name: Rabbit Orchid [n/a]

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Caladenia sect. Leptoceras R.Br. legitimate

• APC Dist.: WA, Vic, Tas

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 208 [secondary reference]

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 2: 32 [secondary reference]

common name: Rabbit Orchid [n/a]

• Etymology: From the Greek leptos (thin, slender) and -ceras (horn), in reference to the narrow, horn-like petals."

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