Hopper, S.D. & Brown, A.P. (30 June 2006), Australia's wasp-pollinated flying duck orchids revised (Paracaleana: Orchidaceae). Australian Systematic Botany 19(3): 232-234, Figs 2, 18, 19 (map) [tax. nov.]

• Type: "Flynn State Forest, Deefor Road, York. 350 m W of Surrey Road, 32˚1'58"S, 116˚28'42"E, 11 Oct. 2003, F.Hort & J. Hort 2053. holo: PERTH 06639674!."

• Etymology: "Named for Fred Hort (retired Primary School Principal, 1937–) and his wife Jean (1952–), botanical enthusiasts, who have searched for and collected many rare plants in south-west Australia, especially in the eastern jarrah forest, and made most of the earliest collections of this species after having recognised it as a species distinct from P. nigrita."

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 232 [secondary reference]

common name: Horts' duck orchid [n/a]

• Etymology: "named for Fred and Jean Hort who were the first to recognised this new species"

Hoffman, N. & Brown, A. (2011), Orchids of South-West Australia Edn. 3: 248 [secondary reference]

common name: Hort's Duck Orchid [n/a]

• Etymology: "This orchid is named for Fred and Jean Hort who, along with Gary Brockman, were the first to recognised [sic] it as being a new species in 1996."

Miller, J.T. & Clements, M.A. (30 June 2014), Molecular phylogenetic analyses of Drakaeinae: Diurideae (Orchidaceae) based on DNA sequences of the internal transcribed spacer region. Australian Systematic Botany 27(1): 16 [basionym]

basionym of: Caleana hortiorum (Hopper & A.P.Br.) M.A.Clem. legitimate

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: 30, 130 [secondary reference]

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

nomenclatural synonym of: Caleana hortiorum (Hopper & A.P.Br.) M.A.Clem. legitimate

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: 280 [secondary reference]

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 292 [taxonomic synonym]

taxonomic synonym of: Sullivania hortiorum D.L.Jones nom. inval.

Clements, M.A. & Jones, D.L. (19 November 2021), Notes on Australasian Orchidaceae 7: updates on the nomenclature of Sullivania (Diurideae: Drakaeinae). Lankesteriana 21(3): 316 [basionym]

basionym of: Sullivania hortiorum (Hopper & A.P.Br.) D.L.Jones & M.A.Clem. legitimate

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 2: 64 [secondary reference]

common name: Hort's Duck Orchid [n/a]

• Etymology: "Named in honour of Fred and Jean Hort who made many of the early collections of this species after recognising it as distinct from the Flying Duck Orchid (Parcaleana nigrita)."

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