Haworth, A.H. (1812), Synopsis Plantarum Succulentarum: 197 [tax. nov.]

• Type: Epiphyllum phyllanthus (L.) Haw.

Forster, P.I. (5 October 1988), Epiphyllum phyllanthus var. hookeri (Cactaceae): a new naturalisation for south-eastern Queensland. Austrobaileya 2(5): 573 APC [secondary reference]

• APC Dist.: Qld (naturalised)

Barthlott, W. & Hunt, D.R. in Kubitzki, K. (ed.) (1993), Cactaceae. The Families and Genera of Vascular Plants 2: 179 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 309 [secondary reference]

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