Hopper, S.D. & Brown, A.P. (June 2000), New genera , subgenera, combinations, and species in the Caladenia alliance (Orchidaceae: Diurideae). Lindleyana 15(2): 121 [comb. nov.]

basionym: Caladenia caerulea R.Br. legitimate

Szlachetko, D.L. (28 February 2001), Genera et species Orchidalium. 1. Polish Botanical Journal 46(1): 20 [secondary reference]

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): 403 [secondary reference]

Western Australian Herbarium (2003), FloraBase: the Western Australian Flora Version 2: - [secondary reference]

Jeanes, J.A. in Ross, J.H. & Walsh, N.G. (June 2003), Orchidaceae. A Census of the Vascular Plants of Victoria Edn. 7: 18, 21 [secondary reference]

nomenclatural synonym: Caladenia caerulea R.Br. var. caerulea 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): 230-232, Fig. 14 (map) [secondary reference]

nomenclatural synonym: Caladenia caerulea R.Br. legitimate nomenclatural synonym: Pentisea caerulea (R.Br.) Szlach. legitimate

Jones, D.L. (2008), Field Guide to the orchids of the Australian Capital Territory: 84-85 [secondary reference]

common name: Blue Fingers [n/a]

Bostock, P.D. & Holland, A.E. (3 October 2014), Appendix A. Name and status changes 2013 census to 2014 census. Census of the Queensland Flora: 26 [secondary reference]

nomenclatural synonym: Caladenia caerulea R.Br. legitimate

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 95 [secondary reference]

nomenclatural synonym: Caladenia caerulea R.Br. legitimate

• Comment: This taxon is not currently considered to form part of the Tasmanian flora.

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: 20, 63, 71, 84, 113 [secondary reference]

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

nomenclatural synonym: Caladenia caerulea R.Br. legitimate nomenclatural synonym: Caladenia coerulea F.Muell. orth. var. nomenclatural synonym: Caladenia caerulea R.Br. var. caerulea legitimate nomenclatural synonym: Pentisea caerulea (R.Br.) Szlach. legitimate taxonomic synonym: Caladenia caerulea var. heliotropica Rupp legitimate taxonomic synonym: Cyanicula caerulea N.Hoffman & A.P.Br. nom. inval. taxonomic synonym: Cyanicula caerulea J.W.Green nom. inval. taxonomic synonym: Cyanicula caerulea P.Bernhardt nom. inval., pro syn. taxonomic synonym: Cyanicula caerulea Paczk. & A.R.Chapm. nom. inval. taxonomic synonym: Cyanicula caerulea var. heliotropica (Rupp) Hopper & A.P.Br. legitimate

• APC Dist.: Qld, NSW, ACT, Vic

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 94 [nomenclatural synonym]

nomenclatural synonym of: Caladenia caerulea R.Br. legitimate

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