Hopper, S.D. & Brown, A.P. (21 September 2001), Contributions to Western Australian orchidology: 2. New taxa and circumscriptions in Caladenia. Nuytsia 14(1/2): 44-46, Fig. 2, 3 (map) [autonym]

• Comment: G.Paczkowska & A.R.Chapman, W. Austral. Fl. 75 (2000) list the name "Caladenia applanata subsp. applanata", but this autonym was not established until 2001 via the first valid publication of a name at subspecific rank within C. applanata.

Jones, D.L., Clements, M.A., Sharma, I.S., Mackenzie, A.M. & Molloy, B.P.J. (January 2002), Nomenclatural notes arising from studies into the Tribe Diurideae (Orchidaceae). The Orchadian 13(10): 451 [nomenclatural synonym]

nomenclatural synonym of: Arachnorchis applanata (Hopper & A.P.Br.) D.L.Jones & M.A.Clem. subsp. applanata legitimate

Western Australian Herbarium (2003), FloraBase: the Western Australian Flora Version 2: - [secondary reference]

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): 190 [secondary reference]

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 80 [secondary reference]

common name: Broad-lipped spider orchid [n/a]

Hoffman, N. & Brown, A. (2011), Orchids of South-West Australia Edn. 3: 123 [secondary reference]

common name: Broad-lipped Spider Orchid [n/a]

• Etymology: "... flattened labellum, this latter feature leading to the scientific name 'applanata' meaning flattened or horizontally expanded."

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: 6, 124 [secondary reference]

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

nomenclatural synonym: Arachnorchis applanata (Hopper & A.P.Br.) D.L.Jones & M.A.Clem. subsp. applanata legitimate

• APC Comment: The name "Caladenia applanata subsp. applanata" is listed by N.Hoffman & A.Brown, Orchids South-West Australia 2nd edn, 100 (1992); N.Hoffman & A.Brown, Orchids South-West Australia 2nd edn (rev.), 100 (1998) and by G.Paczkowska & A.R.Chapman, W. Austral. Fl. Desc. Cat. 75 (2000). However, this autonym did not exist until established by S.D.Hopper & A.P.Brown, Nuytsia 14(1/2): 46 (2001), in accordance with ICN Art. 26.3 (Melbourne Code, 2012).
• APC Dist.: WA

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 132 [secondary reference]

nomenclatural synonym: Arachnorchis applanata (Hopper & A.P.Br.) D.L.Jones & M.A.Clem. legitimate common name: Broad-lipped Spider Orchid [n/a]

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 1: 136 [secondary reference]

common name: Broad-lipped Spider Orchid [n/a]

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