White, C.T. (1 April 1933), Ligneous plants collected for the Arnold Arboretum in north Queensland by S.F. Kajewski in 1929. Contributions from the Arnold Arboretum of Harvard University 4: 99 [tax. nov.]

• Type: "Daintree River, common in rain-forest, ... L.J. Brass, no. 2261 (type; flowering and fruiting specimens), March 11, 1932 ..."

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: 44 [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: 47 [secondary reference]

Hyland, B.P.M., Gray, B. & Elick, R.W. in Cooper, W.E. & Cooper, W.T. (1994), Appendix I: Provisional Species List. Fruits of the Rainforest: 311 [secondary reference]

Threatened Species and Communities Section, Biodiversity Group, Environment Australia (8 July 1998), Endangered Species Protection Act 1992. Schedules 1, 2 & 3: 17 [secondary reference]

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B., Elick, R.W. & Ford, A.J. (1999), Australian tropical rain forest trees and shrubs. Australian tropical rain forest trees and shrubs: 83 [secondary reference]

Reynolds, S.T. & Henderson, R.J.F. (11 December 2001), Vanguerieae A.Rich ex Dum. (Rubiaceae) in Australia, 2. Cyclophyllum Hook.f. Austrobaileya 6(1): 44 [basionym]

basionym of: Cyclophyllum costatum (C.T.White) S.T.Reynolds & R.J.F.Hend. legitimate

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 439 [nomenclatural synonym]

nomenclatural synonym of: Cyclophyllum costatum (C.T.White) S.T.Reynolds & R.J.F.Hend. legitimate

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