Piperaceae Giseke
Piper hederaceum var. (Windsor Tableland B.P.Hyland 5538) , [n/a], phrase name
Ross, E.M. in Henderson, R.J.F. (ed.) (1994), Piperaceae. Queensland Vascular Plants: Names and Distribution: 241 [primary reference]
Council of Heads of Australasian Herbaria (2008), Australian Plant Census: - [taxonomic synonym]
taxonomic synonym of: Piper hederaceum var. longiorispicum Spokes legitimate