Jones, D.L. & French, C.J. (2017), New species in the Diplodium nanum (R.Br.) D.L.Jones & M.A.Clem. complex (Orchidaceae) from Western Australia - 5. Australian Orchid Review 82(4): 46-48, Fig. 2 [tax. nov.]

• Type: "Western Australia, Darling District. Murdoch. 31 July 1993, C.J.French (D.L.Jones 11829) (holo CANB 9706940)."

• Etymology: "The Greek ectyphos, puffed up, swollen, referring to the thick free points on the lateral sepals."

Jones, D.L. & French, C.J. (2018), New combinations in the Pterostylidinae. Australian Orchid Review 83(1): 63 [taxonomic synonym]

taxonomic synonym of: Pterostylis ectypha D.L.Jones & C.J.French nom. inval.

Jones, D.L. & French, C.J. (2018), New combinations in the Pterostylidinae. Australian Orchid Review 83(4): 55 [basionym]

basionym of: Pterostylis ectypha (D.L.Jones & C.J.French) D.L.Jones & C.J.French legitimate

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 505 [secondary reference]

nomenclatural synonym: Pterostylis ectypha (D.L.Jones & C.J.French) D.L.Jones & C.J.French legitimate common name: Murdoch Snail Orchid [n/a]

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Pterostylis ectypha (D.L.Jones & C.J.French) D.L.Jones & C.J.French legitimate

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