Nicholls, W.H. (1948), Additions to the Orchidaceae of Western Australia - III. The Victorian Naturalist 65: 267 [tax. nov.]

• Type: "Yarloop (Oct. 9, 1948, W.H.N., HOLO– and PARA-TYPE)"

George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 176 [secondary reference]

• Type: "Yarloop, Nicolls Oct. 9, 1948-holo.: PERTH."

Hoffman, N. & Brown, A. (1984), Orchids of South-West Australia: 126-127 [secondary reference]

common name: Ray Spider Orchid [n/a]

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

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: 818-819 [secondary reference]

common name: Ray Spider Orchid [n/a]

Jones, D.L. (1988), Native Orchids of Australia: 131 [secondary reference]

common name: Ray Spider Orchid [n/a]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 30 [secondary reference]

• Type: "... (holo PERTH, iso MEL!)."

Hoffman, N. & Brown, A. (1992), Orchids of South-West Australia Edn. 2: 121 [secondary reference]

common name: Ray Spider Orchid [n/a]

Hoffman, N. & Brown, A. (1998), Orchids of South-West Australia Edn. 2 (revised): 121 [secondary reference]

common name: Ray Spider Orchid [n/a]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 81 [secondary reference]

common name: Ray Spider Orchid [n/a]

Szlachetko, D.L. (28 February 2001), Genera et species Orchidalium. 1. Polish Botanical Journal 46(1): 19 [basionym]

basionym of: Calonema radiatum (Nicholls) 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): 396 [basionym]

basionym of: Arachnorchis radiata (Nicholls) D.L.Jones & M.A.Clem. legitimate

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Flora of the South West 1: 358 [secondary reference]

common name: Ray 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 radiata (Nicholls) 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): 197 [secondary reference]

nomenclatural synonym: Arachnorchis radiata (Nicholls) D.L.Jones & M.A.Clem. legitimate nomenclatural synonym: Calonema radiatum (Nicholls) Szlach. legitimate nomenclatural synonym: Calonemorchis radiata (Nicholls) Szlach. legitimate

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 94 [secondary reference]

common name: Ray spider orchid [n/a]

• Etymology: "radiating outwards, alluding to the radiating labellum fringe"

Hoffman, N. & Brown, A. (2011), Orchids of South-West Australia Edn. 3: 149 [secondary reference]

common name: Ray Spider Orchid [n/a]

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, 126 [secondary reference]

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

nomenclatural synonym: Calonema radiata Szlach. orth. var. nomenclatural synonym: Calonema radiatum (Nicholls) Szlach. legitimate nomenclatural synonym: Arachnorchis radiata (Nicholls) D.L.Jones & M.A.Clem. legitimate nomenclatural synonym: Calonemorchis radiata (Nicholls) Szlach. legitimate

• APC Dist.: WA

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 153 [secondary reference]

nomenclatural synonym: Arachnorchis radiata (Nicholls) D.L.Jones & M.A.Clem. legitimate nomenclatural synonym: Calonemorchis radiata (Nicholls) Szlach. legitimate common name: Ray Spider Orchid [n/a]

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 1: 74 [secondary reference]

• Etymology: "From the Latin radiatus (radiating outwards), in reference to the spreading labellum fringe segment."

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