Lindley, J. (1 January 1840), A Sketch of the Vegetation of the Swan River Colony: lii., t. 8A. [tax. nov.]

• Type: (not cited).

Rogers, R.S. (24 December 1920), Contributions to Australian orchidology. Transactions and proceedings of the Royal Society of South Australia 44: 351 [basionym]

basionym of: Caladenia patersonii var. longicauda (Lindl.) R.S.Rogers legitimate

Rupp, H.M.R. (January 1944), The Orchids of New South Wales: 60 [taxonomic synonym]

taxonomic synonym of: Caladenia dilatata R.Br. legitimate

George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 175 [secondary reference]

• Lectotype: "Swan River, Drummond – lecto.: K-L, iso.: K-L, W, G, FI."

• Text: "One of the two specimens on the lectotype sheet matches Lindley's illustrations in Sketch Veg. Swan Riv. Col. t.8. The sheet also has two specimens of C. longclavata E. Coleman var. longiclavata. -"

George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 175 [taxonomic synonym]

taxonomic synonym of: Caladenia patersonii var. longicauda (Lindl.) R.S.Rogers legitimate

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 55 [secondary reference]

misapplication: Caladenia patersonii R.Br. legitimate by Beard, J.S. in Beard, J.S. (ed.) (1965), Descriptive Catalogue of West Australian Plants: 15 misapplication: Caladenia patersonii R.Br. legitimate by Green, J.W. (1981), Census of the Vascular Plants of Western Australia: 23

Rye, B.L. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Orchidaceae. Flora of the Perth Region 2: 816-817 [secondary reference]

nomenclatural synonym: Caladenia patersonii var. longicauda (Lindl.) R.S.Rogers legitimate common name: Common White Spider Orchid [n/a]

Jones, D.L. (1988), Native Orchids of Australia: 125 [secondary reference]

common name: White Spider Orchid [n/a]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 27 [secondary reference]

• Lectotype: "... isolectotype BM! E! G! K!"

nomenclatural synonym: Caladenia patersonii var. longicauda (Lindl.) R.S.Rogers legitimate

Szlachetko, D.L. (28 February 2001), Genera et species Orchidalium. 1. Polish Botanical Journal 46(1): 18 [basionym]

basionym of: Calonema longicaudum (Lindl.) Szlach. legitimate

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): 395 [basionym]

basionym of: Arachnorchis longicauda (Lindl.) D.L.Jones & M.A.Clem. legitimate

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): 103-106 [secondary reference]

nomenclatural synonym: Caladenia patersonii var. longicauda (Lindl.) R.S.Rogers legitimate

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Flora of the South West 1: 349 [secondary reference]

common name: Common White Spider Orchid [n/a]

Szlachetko, D.L. (July 2002), Nomenclatural adjustments in the Thelymitroideae (Orchidaceae). Polish Botanical Journal 46(2): 141 [basionym]

basionym of: Calonemorchis longicauda (Lindl.) Szlach. 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): 194 [secondary reference]

nomenclatural synonym: Caladenia patersonii var. longicauda (Lindl.) R.S.Rogers legitimate nomenclatural synonym: Calonema longicaudum (Lindl.) Szlach. legitimate nomenclatural synonym: Calonemorchis longicauda (Lindl.) Szlach. legitimate taxonomic synonym: Caladenia eminens (Domin) M.A.Clem. & D.L.Jones legitimate taxonomic synonym: Caladenia eminens (Domin) Szlach. isonym taxonomic synonym: Calonemorchis eminens (Domin) Szlach. legitimate

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 66 [secondary reference]

• Etymology: "long tail, alluding to the long filamentous petals and sepals"

Brown, A.P. & Brockman, G. (1 May 2015), New taxa of Caladenia (Orchidaceae) from south-west Western Australia. Nuytsia 25: 86-87 [secondary reference]

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

nomenclatural synonym: Caladenia longicauda Lindl. var. longicauda legitimate nomenclatural synonym: Arachnorchis longicauda (Lindl.) D.L.Jones & M.A.Clem. legitimate nomenclatural synonym: Calonema longicauda Szlach. orth. var. nomenclatural synonym: Calonema longicaudum (Lindl.) Szlach. legitimate misapplication: Caladenia patersonii R.Br. legitimate by Green, J.W. (1981), Census of the Vascular Plants of Western Australia: 23

• APC Dist.: WA

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