Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Polygalaceae. Flora of the Kimberley Region: 644, Fig. 199I [primary reference]

Kerrigan, R.A. (30 April 2012), A treatment for Polygala of northern Australia. Australian Systematic Botany 25(2): 133 [taxonomic synonym]

taxonomic synonym of: Polygala praecox R.A.Kerrigan legitimate

Council of Heads of Australasian Herbaria (2014), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Polygala praecox R.A.Kerrigan legitimate

---