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): 286, Figs 71 (map), 72 [tax. nov.]

• Type: edge of Scott River Plains, Western Australia, 3 December 1986, A.P. Brown 548 (holo: PERTH).

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]

• Comment: "Caladenia corynephora x C. serotina"

Jones, D.L. & Clements, M.A. (September 2005), Miscellaneous nomenclature notes and changes in Australian, New Guinea and New Zealand Orchidaceae. The Orchadian 15(1): 34 [basionym]

basionym of: Arachnorchis x aestantha (Hopper & A.P.Br.) D.L.Jones & M.A.Clem. legitimate

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

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

• APC Dist.: WA

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 162 [secondary reference]

common name: Summer Spider Orchid [n/a]

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 2: 264 [secondary reference]

common name: Summer Spider Orchid [n/a]

• Etymology: "From the Latin aestas (summer) and -anthus (flower), in reference to the summer flowering period of this hybrid."

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