Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 324 [tax. nov.]

• Type: "(D.) D. Paterson. v.s."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 113 [secondary reference]

Rodway, L. (1903), The Tasmanian Flora: 206 [secondary reference]

Dixon, W.A. (1906), The Plants of New South Wales: 261 [secondary reference]

Rogers, R.S. in Black, J.M. (1922), Orchidaceae. Flora of South Australia 1: 140 [secondary reference]

• Etymology: Crowded, referring to the calli.

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 235 [secondary reference]

• Etymology: "crowded, referring to the calli"

Rupp, H.M.R. (January 1944), The Orchids of New South Wales: 66 [secondary reference]

Burbidge, N.T. & Gray, M. (1970), Flora of the Australian Capital Territory: 122 [secondary reference]

common name: Blue-tongue Caladenia [n/a]

George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 169 [secondary reference]

• Text: Doubtfully recorded for Western Australia by Bentham (Fl. Austral. 6: 387) but the collection, by Mangles, is probably C. marginata Lindl.

Jessop, J.P. (19 December 1977), Endangered species in the South Australian native vascular flora. Journal of the Adelaide Botanic Gardens 1(2): 136 [secondary reference]

Curtis, W.M. (1980), Angiospermae: Orchidaceae. The Student's Flora of Tasmania 4A: 112-113, Pl. 17 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 27 [secondary reference]

Jones, D.L. (1988), Native Orchids of Australia: 97 [secondary reference]

common name: Black-Tongue Caladenia [n/a]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 22 [secondary reference]

• Lectotype: "`Port Dalrymple', Nov. 1804, R. Brown s.n. (lectotype specimen (a) BM! here designated)."

Bates, R.J. & Weber, J.Z. (7 December 1990), Orchids of South Australia: 43-44 (map), Figs 59 & 62, Plate 35 [secondary reference]

common name: Black-tongue caladenia [n/a]

Bernhardt, P. in Harden, G.J. (ed.) (1993), Caladenia. Flora of New South Wales 4: 203-204 [secondary reference]

common name: Black Tongue Caladenia [n/a]

Entwisle, T.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Orchidaceae. Flora of Victoria Edn. 1, 2: 767-768, Fig. 152h-i [secondary reference]

common name: Black-tongue Caladenia [n/a]

Bishop, A. (1996), Field guide to the orchids of New South Wales and Victoria Edn. 1: 133, Plate 324 [secondary reference]

common name: Black-tongue Caladenia [n/a]

Jones, D.L. in Banks, D.P. (ed.) (1998), A taxonomic review of Caladenia in Tasmania. Australian Orchid Research 3: 27 [secondary reference]

Jones, D.L., Wapstra, H., Tonelli, P. & Harris, S. (1999), The Orchids of Tasmania: 70 [secondary reference]

common name: Black-tongue Caladenia [n/a]

• Etymology: "congested (labellum calli)"

Bishop, A. (2000), Field guide to the orchids of New South Wales and Victoria Edn. 2: 133, Plate 324 [secondary reference]

common name: Black-tongue Caladenia [n/a]

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): 414 [basionym]

basionym of: Stegostyla congesta (R.Br.) D.L.Jones & M.A.Clem. legitimate

Jeanes, J.A. in Ross, J.H. & Walsh, N.G. (June 2003), Orchidaceae. A Census of the Vascular Plants of Victoria Edn. 7: 19, 27 [secondary reference]

nomenclatural synonym: Stegostyla congesta (R.Br.) D.L.Jones & M.A.Clem. 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): 207 [secondary reference]

nomenclatural synonym: Stegostyla congesta (R.Br.) D.L.Jones & M.A.Clem. legitimate

Barker, W.R., Barker, R.M., Jessop, J. & Vonow, H. (ed.) (18 March 2005), Census of South Australian Vascular Plants 5th Edition. Journal of the Adelaide Botanic Gardens Supplement 1: 193 [secondary reference]

nomenclatural synonym: Stegostyla congesta (R.Br.) D.L.Jones & M.A.Clem. legitimate

Jones, D.L. (2008), Field Guide to the orchids of the Australian Capital Territory: 278 [secondary reference]

• Etymology: "crowded, congested (labellum calli)"

Backhouse, G., Kosky, B., Rouse, D. & Turner, J. (2016), Bush Gems: A Guide to the Wild Orchids of Victoria, Australia: [pp. 69-70 of PDF] (photos, map) [secondary reference]

nomenclatural synonym: Stegostyla congesta (R.Br.) D.L.Jones & M.A.Clem. legitimate common name: Black-tongue Caladenia [n/a]

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]

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: 7, 63, 67, 93, 105, 110 [secondary reference]

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

nomenclatural synonym: Stegostyla congesta (R.Br.) D.L.Jones & M.A.Clem. legitimate

• APC Comment: Treated as Stegostyla congesta in the ACT.
• APC Dist.: SA, NSW, ACT, Vic, Tas

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 87 [secondary reference]

nomenclatural synonym: Stegostyla congesta (R.Br.) D.L.Jones & M.A.Clem. legitimate common name: Black-Tongue Caladenia [n/a]

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