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de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [as Nematoceras papillosum (Colenso) Molloy, D.L.Jones & M.A.Clem.] [Data Deficient]
Jones, D.L.; Clements, M.A.; Sharma, I.K.; Mackenzie, A.M.; Molloy, B.J.P. 2002: Nomenclatural notes arising from studies into the tribe Diurideae (Orchidaceae). The Orchadian 13(10): 437–468.
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Lehnebach, C.A.; Zeller, A.J.; Frericks, J.; Ritchie, P. 2016: Five new species of Corybas (Diurideae, Orchidaceae) endemic to New Zealand and phylogeny of the Nematoceras clade. Phytotaxa 270(1): 1–24.