Jones, D.L. & Gray, B. (1988), Climbing Plants in Australia: 305 [primary reference]

Spokes, T.M. in Wilson, A.J.G. (ed.) (2007), Piper. Flora of Australia 2: 239 [taxonomic synonym]

taxonomic synonym of: Piper hederaceum var. longiorispicum Spokes legitimate

Council of Heads of Australasian Herbaria (2008), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Piper hederaceum var. longiorispicum Spokes legitimate

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