Domin, K. (1928), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 982 [autonym]

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Hybanthus enneaspermus (L.) F.Muell. legitimate

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Hybanthus enneaspermus (L.) F.Muell. legitimate

Forster, P.I. (24 March 2021), Reinstatement of Pigea Ging., an earlier generic name for the spade flowers previously included in Afrohybanthus Flicker (Violaceae). Austrobaileya 11: 29 [nomenclatural synonym]

nomenclatural synonym of: Pigea enneasperma (L.) P.I.Forst. legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Afrohybanthus enneaspermus (L.) Flicker legitimate

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