Hopper, S.D. & Brown, A.P. (10 December 2019), Update on generic and specific nomenclature in Paracaleana (Drakaeinae), Caladeniinae and a new name in Caladenia (Orchidaceae). Nuytsia 30: 282-284, Fig. 1 [tax. nov.]

• Type: "Coorow Greenhead Road, 25 km west of Midlands Road. south-west of Coorow, Western Australia, 4 September 2010, G. Brockman GBB 2621 (holo: PERTH 08420068; iso: CBG)."

pro parte taxonomic synonym: Caladenia vulgata Hopper & A.P.Br. legitimate

• Etymology: "From the Latin varians (varying), in reference to the variable morphology of the species over its very large geographic range."
• Comment: Hopper & Brown list the designation "Caladenia varians subsp. varians" in synonymy, but this autonym does not exist, in accordance with ICN Art. 27.2 (Shenzhen Code, 2018).

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 185 [secondary reference]

taxonomic synonym: Caladenia vulgata Hopper & A.P.Br. legitimate common name: Common Spider Orchid [n/a]

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 1: 86 [secondary reference]

common name: Common Spider Orchid [n/a]

• Etymology: "From the Latin varians (vary, waver, fluctuate, change), in reference to the variable morphology of the species over its large geographic range."

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