Jones, D.L. (2006), Speculantha vernalis (Orchidaceae), a critically endangered new species from south-eastern New South Wales. The Orchadian 15(6): 277-281, fig. 1 [tax. nov.]

• Type: New South Wales. West of Flat Rock Creek Reservoir, south of Nowra, 16 Oct. 1998, D.L.Jones 15873 & K.J.Fitzgerald (holo CANB; iso BRI, MEL, NSW).

taxonomic synonym: Pterostylis sp. aff. parviflora (Spring) [n/a]

Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Pterostylis sp. Flat Rock Creek (D.L.Jones 15873 & K.J.Fitzgerald) Australian National Herbarium [n/a]

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): 57 [basionym]

basionym of: Pterostylis vernalis (D.L.Jones) G.N.Backh. legitimate

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

nomenclatural synonym of: Pterostylis vernalis (D.L.Jones) G.N.Backh. legitimate

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 530-531 [secondary reference]

nomenclatural synonym: Pterostylis vernalis (D.L.Jones) G.N.Backh. legitimate common name: Nowra Greenhood [n/a] common name: Spring Tiny Greenhood [n/a]

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