Ventenat, E.P. (1803), Jardin de la Malmaison 1(5): 27 [comb. nov.]

basionym: Viola enneasperma L. legitimate

Schultes, J.A. (1819), Systema Vegetabilium Edn. 16, 5: 393-394 [secondary reference]

Black, J.M. (December 1926), Meliaceae - Scrophulariaceae. Flora of South Australia 3: 394 [nomenclatural synonym]

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

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

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

Black, J.M. (1952), Flora of South Australia Edn. 2, 3: 590 [nomenclatural synonym]

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

Flicker, B.J. & Ballard, H.E. (2015), Afrohybanthus (Violaceae), a new genus for a distinctive and widely distributed Old World hybanthoid lineage. Phytotaxa 230(1): 47 [nomenclatural synonym]

nomenclatural synonym of: Afrohybanthus enneaspermus (L.) Flicker 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: - [secondary reference]

orthographic variant: Jonidium enneaspermum Schult. orth. var.

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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