Thwaites, G.H.K. (1864), Enumeratio Plantarum Zeylaniae 5: 435 [tax. nov.]

• Type: "Hab. South of the Island."

Domin, K. (1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 469, Fig. 103 [secondary reference]

Kern, J.H. (1974), Cyperaceae. Flora Malesiana Series I 7(3): 721-722 [secondary reference]

Anonymous (1978), Annual Report for 1977/78. Annual Report of the Botany Branch and the Queensland Herbarium: 20 [secondary reference]

Thomas, M.B. & McDonald, W.J.F. (1987), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 1: 23 [secondary reference]

Thomas, M.B. & McDonald, W.J.F. (1989), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 2: 24 [secondary reference]

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - APC [secondary reference]

• APC Comment: Treated as Rhynchospora gracillima subsp. gracillima in WA.
• APC Dist.: WA, NT, Qld

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