Nees von Esenbeck, C.G.D. in Wight, R. (December 1834), Cyperaceae Indicae, praecipue juxta herbaria Wightii, Wallichii, Roylei et Lindleyi. Contributions to the Botany of India: 73 [tax. nov.]

• Type: "Cyperus, Wall. cat. n. 8324. a, b. – In Nepalia et Ava; Wallich.

Nees von Esenbeck, C.G.D. (1834), Uebersicht der Cyperaceengattungen. Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde 9: 283 [basionym]

basionym of: Pycreus angulatus (Nees) Nees legitimate

Hooker, J.D. (29 December 1859), Introductory Essay. The botany of the Antarctic voyage of H.M. Discovery ships Erebus and Terror. III. Flora Tasmaniae 2(11): xlvii [secondary reference]

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 417 [taxonomic synonym]

taxonomic synonym of: Pycreus unioloides var. angulatus (Nees) Domin legitimate

Kükenthal, G. in Engler, H.G.A. (1936), Cyperaceae-Scirpoideae-Cypereae. Das Pflanzenreich 101: 190 [taxonomic synonym]

taxonomic synonym of: Cyperus unioloides R.Br. legitimate

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Cyperus unioloides R.Br. legitimate

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