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): 47-48 [comb. nov.]

basionym: Viola enneasperma L. legitimate nomenclatural synonym: Ionidium enneaspermum (L.) Vent. legitimate nomenclatural synonym: Hybanthus enneaspermus (L.) F.Muell. legitimate taxonomic synonym: Viola suffruticosa L. legitimate taxonomic synonym: Ionidium suffruticosum (L.) Schult. legitimate taxonomic synonym: Hybanthus suffruticosus (L.) Baill. ex Laness. legitimate

Bostock, P.D. & Holland, A.E. (August 2017), Appendix A: New names and name and status changes 2016 census to 2017 census. Introduction to the Census of the Queensland Flora 2017: 25 [secondary reference]

nomenclatural synonym: 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

Percy-Bower, J.M. & Parker, C.M. (24 June 2021), Updates to Western Australia’s vascular plant census for 2020. Nuytsia 32: 12 [secondary reference]

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

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Viola enneasperma L. legitimate nomenclatural synonym: Ionidium enneaspermum (L.) Vent. legitimate nomenclatural synonym: Jonidium enneaspermum Schult. orth. var. nomenclatural synonym: Hybanthus enneaspermus (L.) F.Muell. legitimate nomenclatural synonym: Hybanthus enncaspermus F.Muell. orth. var. nomenclatural synonym: Hybanthus enneaspermus (L.) F.Muell. var. enneaspermus legitimate nomenclatural synonym: Calceolaria enneasperma (L.) Kuntze legitimate nomenclatural synonym: Hybanthus enneaspermus (L.) F.Muell. f. enneaspermus legitimate nomenclatural synonym: Hybanthus enneaspermus (L.) F.Muell. subsp. enneaspermus legitimate taxonomic synonym: Viola suffruticosa L. legitimate taxonomic synonym: Pigea banksiana Ging. ex DC. legitimate taxonomic synonym: Ionidium suffruticosum (L.) Schult. legitimate taxonomic synonym: Ionidium banksianum (Ging. ex DC.) Steud. legitimate taxonomic synonym: Hybanthus suffruticosus (L.) Baill. ex Laness. legitimate taxonomic synonym: Hybanthus enneaspermus f. angustifolius Domin legitimate taxonomic synonym: Hybanthus enneaspermus var. banksianus (Ging. ex DC.) Domin legitimate

• APC Dist.: WA, NT, SA, Qld

Brown, G.K. (December 2021), Appendix A: New names and name and status changes 2020 to 2021. Introduction to the Census of the Queensland Flora 2021: 13 [nomenclatural synonym]

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

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