George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 187, 188 [comb. nov.]

basionym: Prasophyllum gracile var. ringens Rchb.f. legitimate

Hoffman, N. & Brown, A. (1984), Orchids of South-West Australia: 264-265 [secondary reference]

common name: Laughing Leek Orchid [n/a]

Rye, B.L. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Orchidaceae. Flora of the Perth Region 2: 835 [secondary reference]

Jones, D.L. (1988), Native Orchids of Australia: 258 [secondary reference]

common name: Laughing Leek Orchid [n/a]

Bates, R. (20 July 1989), Prasophyllum calcicola, P. macrostachyum and P. ringens (Orchidaceae): three similar species from Western and southern Australia. Journal of the Adelaide Botanic Gardens 11(2): 182 [nomenclatural synonym]

nomenclatural synonym of: Prasophyllum ringens (Rchb.f.) R.J.Bates legitimate

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 110 [nomenclatural synonym]

nomenclatural synonym of: Prasophyllum antennatum M.A.Clem. & D.L.Jones nom. illeg., nom. superfl.

Jones, D.L. & Clements, M.A. (25 January 1996), A reassessment of Prasophyllum gracile and P. macrostachyum (Orchidaceae), with the description of P. paulinae, a new species from south-west Western Australia. Nuytsia 10(3): 411 [taxonomic synonym]

taxonomic synonym of: Prasophyllum gracile Lindl. legitimate

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

taxonomic synonym of: Prasophyllum gracile Lindl. legitimate

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 356 [taxonomic synonym]

taxonomic synonym of: Paraprasophyllum gracile (Lindl.) M.A.Clem. & D.L.Jones legitimate

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