Jones, D.L. (March 2008), Two new species of Hymenochilus (Orchidaceae) from south-eastern Australia. The Orchadian 15(11): 493-495, Fig. 2 [tax. nov.]

• Type: New South Wales. About 12 km along Tantangara Dam Road, Kosciuszko National Park, 3 Dec. 1988, D.L.Jones 3447 (holo CANB).

Jones, D.L. (2008), Field Guide to the orchids of the Australian Capital Territory: 146-147 [secondary reference]

common name: Alpine Swan Greenhood [n/a]

• Etymology: "thick stem"

Backhouse, G.N. (2010), New combinations in the terrestrial orchid genera Caladenia R.Br., Corybas Salisb. and Pterostylis R.Br. (Orchidaceae) for south-eastern Australia. The Victorian Naturalist 127(2): 56 [basionym]

basionym of: Pterostylis crassicaulis (D.L.Jones & M.A.Clem.) G.N.Backh. legitimate

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

nomenclatural synonym of: Pterostylis crassicaulis (D.L.Jones & M.A.Clem.) G.N.Backh. legitimate

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 550 [secondary reference]

nomenclatural synonym: Pterostylis crassicaulis (D.L.Jones & M.A.Clem.) G.N.Backh. legitimate common name: Alpine Swan Greenhood [n/a]

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