Rafinesque, C.S. (1837), Flora Telluriana 3: 78 [tax. nov.]

Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - APC [secondary reference]

• APC Dist.: NSW (naturalised)

Stevens, P.F. in Kubitzki, K. (ed.) (2007), Hypericaceae. The Families and Genera of Vascular Plants 9: 199 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 867 [secondary reference]

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