Western Australian Herbarium (2011), FloraBase: the Western Australian Flora Version 2.6: - [primary reference]

Biggs, L.J. & Parker, C.M. (21 November 2013), Updates to Western Australia's vascular plant census for 2012. Nuytsia 23: 504 [secondary reference]

Brown, A.P. & Brockman, G. (1 May 2015), New taxa of Caladenia (Orchidaceae) from south-west Western Australia. Nuytsia 25: 63 [taxonomic synonym]

taxonomic synonym of: Caladenia attingens subsp. effusa A.P.Br. & G.Brockman legitimate

Parker, C.M. & Percy-Bower, J.M. (31 March 2016), Updates to Western Australia’s vascular plant census for 2015. Nuytsia 27: 9 [taxonomic synonym]

taxonomic synonym of: Caladenia attingens subsp. effusa A.P.Br. & G.Brockman legitimate

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Caladenia attingens subsp. effusa A.P.Br. & G.Brockman legitimate

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