Nicholls, W.H. (1926), A new Victorian orchid. The Victorian Naturalist 43(5): 156, plate [tax. nov.]

• Type: "For specimens from the following districts, I am indebted to Mr. A.B. Braine: Bayswater, Ringwood, Greensborough, Diamond Creek, and Croydon. Flowering season: July, August, and September. (August, the best month.) Type in National Herbarium, Melbourne."

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

basionym of: Caladenia testacea var. praecox (Nicholls) Nicholls legitimate

Rupp, H.M.R. (January 1944), The Orchids of New South Wales: 68 [secondary reference]

Gray, M. & MacKee, H.S. (1969), A list of vascular plants occurring on Black Mountain and environs, Canberra, A.C.T: 12 [secondary reference]

Burbidge, N.T. & Gray, M. (1970), Flora of the Australian Capital Territory: 123-124, Fig, 115C-C2 [secondary reference]

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

nomenclatural synonym: Caladenia testacea var. praecox (Nicholls) Nicholls legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 27 [taxonomic synonym]

taxonomic synonym of: Caladenia angustata Lindl. legitimate

Jones, D.L. (1988), Native Orchids of Australia: 103 [secondary reference]

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

• Lectotype: "`Victoria, Croydon', Aug. 1926, W.H. Nicholls s.n. (lectotype MEL! here designated)."

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, Fig. 153f-h [secondary reference]

nomenclatural synonym: Caladenia testacea var. praecox (Nicholls) Nicholls legitimate common name: White Dove Orchid [n/a] common name: Early Caladenia [n/a]

Bishop, A. (1996), Field guide to the orchids of New South Wales and Victoria Edn. 1: 134, Plate 328 [secondary reference]

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

nomenclatural synonym: Caladenia testacea var. praecox (Nicholls) Nicholls legitimate

Bishop, A. (2000), Field guide to the orchids of New South Wales and Victoria Edn. 2: 134, Plate 328 [secondary reference]

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): 414 [basionym]

basionym of: Stegostyla praecox (Nicholls) D.L.Jones & M.A.Clem. legitimate

Jeanes, J.A. in Ross, J.H. & Walsh, N.G. (June 2003), Orchidaceae. A Census of the Vascular Plants of Victoria Edn. 7: 19, 28 [secondary reference]

nomenclatural synonym: Stegostyla praecox (Nicholls) D.L.Jones & M.A.Clem. legitimate

Hopper, S.D. & Brown, A.P. (29 April 2004), Robert Brown's Caladenia revisited, including a revision of its sister genera Cyanicula, Ericksonella and Pheladenia (Caladeniinae: Orchidaceae). Australian Systematic Botany 17(2): 207 [secondary reference]

nomenclatural synonym: Stegostyla praecox (Nicholls) D.L.Jones & M.A.Clem. legitimate

Backhouse, G., Kosky, B., Rouse, D. & Turner, J. (2016), Bush Gems: A Guide to the Wild Orchids of Victoria, Australia: [pp. 62-63 of PDF] (photos, map) [secondary reference]

nomenclatural synonym: Caladenia testacea var. praecox (Nicholls) Nicholls legitimate nomenclatural synonym: Stegostyla praecox (Nicholls) D.L.Jones & M.A.Clem. legitimate common name: Early Caps [n/a]

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 96 [doubtful misapplied]

doubtful misapplied to: Caladenia angustata Lindl. legitimate by Curtis, W.M. (1980), Angiospermae: Orchidaceae. The Student's Flora of Tasmania 4A: 109

Backhouse, G.N., Bates, R.J., Brown, A.P. & Copeland, L.M. (1 March 2016), Checklist of the orchids of Australia including its island territories: 11, 63, 68, 111 [secondary reference]

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

nomenclatural synonym: Caladenia testacea var. praecox (Nicholls) Nicholls legitimate nomenclatural synonym: Stegostyla praecox (Nicholls) D.L.Jones & M.A.Clem. legitimate

• APC Dist.: NSW, Vic

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

misapplied to: Caladenia ustulata (D.L.Jones) G.N.Backh. legitimate by Gray, M. & MacKee, H.S. (1969), A list of vascular plants occurring on Black Mountain and environs, Canberra, A.C.T: 12

[misapplied]

misapplied to: Caladenia ustulata (D.L.Jones) G.N.Backh. legitimate by Burbidge, N.T. & Gray, M. (1970), Flora of the Australian Capital Territory: 123-124, Fig, 115C-C2

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

misapplied to: Caladenia angustata Lindl. legitimate by Curtis, W.M. (1980), Angiospermae: Orchidaceae. The Student's Flora of Tasmania 4A: 109

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

nomenclatural synonym: Caladenia testacea var. praecox (Nicholls) Nicholls legitimate nomenclatural synonym: Stegostyla praecox (Nicholls) D.L.Jones & M.A.Clem. legitimate common name: Early Caps [n/a]

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