Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 230 [tax. nov.]

• Type: "(J.) v.v."

Sprengel, C.P.J. (1824), Systema Vegetabilium Edn. 17, 1: 195 [basionym]

basionym of: Rhynchospora deusta (R.Br.) Spreng. legitimate

Mueller, F.J.H. von (March 1875), Fragmenta Phytographiae Australiae 9(73): 39 [basionym]

basionym of: Chaetospora deusta (R.Br.) F.Muell. legitimate

Bentham, G. (March 1878), Flora Australiensis 7: 379 [basionym]

basionym of: Mesomelaena deusta (R.Br.) Benth. legitimate

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 128 [basionym]

basionym of: Schoenus deustus (R.Br.) F.Muell. legitimate

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 469 [secondary reference]

• Lectotype: "Port Jackson (R. Brown, Iter australiense 1802–05 No. 6021"

nomenclatural synonym: Rhynchospora deusta (R.Br.) Spreng. legitimate nomenclatural synonym: Chaetospora deusta (R.Br.) F.Muell. legitimate nomenclatural synonym: Mesomelaena deusta (R.Br.) Benth. legitimate nomenclatural synonym: Schoenus deustus (R.Br.) F.Muell. legitimate

Kükenthal, G. (1939), Vorarbeiten zu einer Monographie der Rhynchosporoideae. Repertorium Specierum Novarum Regni Vegetabilis 47: 215 [basionym]

basionym of: Ptilanthelium deustum (R.Br.) Kük. legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 16 [taxonomic synonym]

taxonomic synonym of: Ptilanthelium deustum (R.Br.) Kük. legitimate

Sharpe, P. in Stanley, T.D. & Ross, E.M. (1989), Cyperaceae. Flora of South-eastern Queensland 3: 336 [nomenclatural synonym]

nomenclatural synonym of: Ptilanthelium deustum (R.Br.) Kük. legitimate

Wilson, K.L. (26 April 1994), New taxa and combinations in the family Cyperaceae in eastern Australia. Telopea 5(4): 613 [secondary reference]

• Lectotype: NEW SOUTH WALES: Port Jackson, R. Brown (Bennett 6021), 1802-1805; lecto (here selected) BM; isolecto BM, K.

Wilson, K.L. (26 April 1994), New taxa and combinations in the family Cyperaceae in eastern Australia. Telopea 5(4): 613 [basionym]

basionym of: Ptilothrix deusta (R.Br.) K.L.Wilson legitimate

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

nomenclatural synonym of: Ptilothrix deusta (R.Br.) K.L.Wilson legitimate

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