Reynolds, S.T. & Halford, D.A. in Henderson, R.J.F. (ed.) (1997), Rubiaceae. Queensland Plants: Names and Distribution: 180 [primary 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): 52 [taxonomic synonym]

taxonomic synonym of: Cyclophyllum longipetalum S.T.Reynolds & R.J.F.Hend. legitimate

Forster, P.I. & Halford, D.A. in Henderson, R.J.F. (ed.) (2002), Rubiaceae. Names and Distribution of Queensland Plants, Algae and Lichens: 174 [secondary reference]

Henderson, R.J.F. in Henderson, R.J.F. (ed.) (2002), Postscript. Names and Distribution of Queensland Plants, Algae and Lichens: 282 [taxonomic synonym]

taxonomic synonym of: Cyclophyllum longipetalum S.T.Reynolds & R.J.F.Hend. legitimate

---