Coleman, E. (1930), A new Caladenia. The Victorian Naturalist 46: 196 [tax. nov.]

• Type: "West Australia, Busselton, Capel, Donnybrook, Augusta, Forest Grove, Boyup-Brook. September, 1928, 1929."

George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 173 [secondary reference]

• Lectotype: "There is one sheet with four specimens at MEL – 1002450, ex Herb. Coleman – "South-west, Miss Corker, Mr. Hill, Mr. Mitchell, Rev. E. Bryant, Sept., Oct., 1928, 1929." There is some variation in the specimens; in fact, one complete specimen which may be that illustrated by Coleman, agrees well with Caladenia magniclavata Nicholls. As all agree with Coleman's description, the other complete specimen is selected as Lectotype ..."

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: 817 [secondary reference]

taxonomic synonym: Caladenia magniclavata Nicholls legitimate common name: Clubbed Spider Orchid [n/a]

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

common name: Clubbed 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]

Hoffman, N. & Brown, A. (1992), Orchids of South-West Australia Edn. 2: 127 [secondary reference]

common name: Clubbed Spider Orchid [n/a]

Hoffman, N. & Brown, A. (1998), Orchids of South-West Australia Edn. 2 (revised): 127 [secondary reference]

common name: Clubbed Spider Orchid [n/a]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 80 [secondary reference]

common name: Clubbed Spider Orchid [n/a]

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

basionym of: Calonema longiclavatum (E.Coleman) 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 longiclavata (E.Coleman) 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): 122-125, Figs 21, 22 (map) [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Flora of the South West 1: 351 [secondary reference]

common name: Clubbed 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 longiclavata (E.Coleman) 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): 195 [secondary reference]

nomenclatural synonym: Arachnorchis longiclavata (E.Coleman) D.L.Jones & M.A.Clem. legitimate nomenclatural synonym: Calonema longiclavatum (E.Coleman) Szlach. legitimate nomenclatural synonym: Calonemorchis longiclavata (E.Coleman) Szlach. legitimate

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 98 [secondary reference]

common name: Clubbed spider orchid [n/a]

• Etymology: "long clubs, alluding to the long thickened clubs on the petals and sepals"

Hoffman, N. & Brown, A. (2011), Orchids of South-West Australia Edn. 3: 157 [secondary reference]

common name: Clubbed Spider Orchid [n/a]

Barrett, Russell & Tay, Eng Pin (2016), Perth Plants: a Field Guide to the Bushland and Coastal Flora of Kings Park and Bold Park Edn. 2: 222-223, photos 13-15 [secondary reference]

nomenclatural synonym: Arachnorchis longiclavata (E.Coleman) D.L.Jones & M.A.Clem. legitimate nomenclatural synonym: Calonema longiclavatum (E.Coleman) Szlach. legitimate nomenclatural synonym: Calonemorchis longiclavata (E.Coleman) Szlach. legitimate common name: Clubbed 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: 10, 126 [secondary reference]

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

nomenclatural synonym: Caladenia longiclavata E.Coleman var. longiclavata legitimate nomenclatural synonym: Calonema longiclavata Szlach. orth. var. nomenclatural synonym: Calonema longiclavatum (E.Coleman) Szlach. legitimate nomenclatural synonym: Arachnorchis longiclavata (E.Coleman) D.L.Jones & M.A.Clem. legitimate nomenclatural synonym: Calonemorchis longiclavata (E.Coleman) Szlach. legitimate

• APC Dist.: WA

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 141 [secondary reference]

nomenclatural synonym: Arachnorchis longiclavata (E.Coleman) D.L.Jones & M.A.Clem. legitimate nomenclatural synonym: Calonemorchis longiclavata (E.Coleman) Szlach. legitimate common name: Long-clubbed Spider Orchid [n/a]

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 1: 184 [secondary reference]

common name: Clubbed Spider Orchid [n/a]

• Etymology: "From the Latin longi (long) and -clavus (clubs), in reference to the long clubs on the petals."

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