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

• Type: Ionidium polygalifolium Vent., nom. illeg.

replaced synonym: Solea Spreng. legitimate

• Comment: nom. illeg., nom. superfl. under ICN Art. 52.1 (Shenzhen Code, 2018) due to the citation of Viola verticillata Ortega, the type species of Solea Spreng., in synonymy of Ionidium polygalifolium.

Mueller, F.J.H. von (February 1862), Thalamiflorae. The Plants Indigenous to the Colony of Victoria 1: 66 [secondary reference]

Bentham, G. (30 May 1863), Flora Australiensis 1: 101-104 [secondary reference]

taxonomic synonym: Pigea Ging. legitimate

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 6 [taxonomic synonym]

taxonomic synonym of: Hybanthus Jacq. nom. cons.

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 10 [taxonomic synonym]

taxonomic synonym of: Hybanthus Jacq. nom. cons.

Diels, F.L.E. & Pritzel, E.G. (6 December 1904), Fragmenta Phytographiae Australiae occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 35(2-3): 391 [secondary reference]

Dixon, W.A. (1906), The Plants of New South Wales: 38 [secondary reference]

alternative name: Hybanthus Jacq. nom. cons.

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 42 [secondary reference]

taxonomic synonym: Hybanthus Jacq. nom. cons.

Sulman, F. (1914), A Popular Guide to the Wild Flowers of New South Wales II: 14, 241 [secondary reference]

alternative name: Hybanthus Jacq. nom. cons.

• Etymology: From the Greek ion (a violet) and eidos (resembling).

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

taxonomic synonym of: Hybanthus Jacq. nom. cons.

Jacobs, M. & Moore, D.M. (1971), Violaceae. Flora Malesiana Series I 7(1): 194 [taxonomic synonym]

taxonomic synonym of: Hybanthus Jacq. nom. cons.

Bennett, E.M. (14 November 1972), A revision of the Australian species of Hybanthus Jacquin (Violaceae). Nuytsia 1(3): 225 [taxonomic synonym]

taxonomic synonym of: Hybanthus Jacq. nom. cons.

Adams, L.G. & George, A.S. in George, A.S. (ed.) (1982), Violaceae. Flora of Australia 8: 100 [taxonomic synonym]

taxonomic synonym of: Hybanthus Jacq. nom. cons.

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

orthographic variant: Jonidium Schult. orth. var.

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

taxonomic synonym of: Hybanthus Jacq. nom. cons.

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