Presl, C.B. [K.B.] (1845), Botanische Bemerkungen. Abhandlungen der Koniglichen Bohmischen. Gesellschaft der Wissenschaften ser. 5, 3: 442 [tax. nov.]

• Type: "Sieb. fl. Nov. Holl. n. 494. – Habitat in Nova Hollandiae ad Port Jackson, collegit Sieber."

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

taxonomic synonym of: Ionidium filiforme (Ging.) F.Muell. legitimate

Bentham, G. (30 May 1863), Flora Australiensis 1: 103 [taxonomic synonym]

taxonomic synonym of: Ionidium filiforme (Ging.) F.Muell. legitimate

Bennett, E.M. (14 November 1972), A revision of the Australian species of Hybanthus Jacquin (Violaceae). Nuytsia 1(3): 234 [secondary reference]

• Type: " "Habitat in Nova Hollandia ad Port Jackson, collegit Sieber." (holo.: PR n.v.)."

Bennett, E.M. (14 November 1972), A revision of the Australian species of Hybanthus Jacquin (Violaceae). Nuytsia 1(3): 234 [taxonomic synonym]

taxonomic synonym of: Hybanthus monopetalus (Schult.) Domin legitimate

Adams, L.G. & George, A.S. in George, A.S. (ed.) (1982), Violaceae. Flora of Australia 8: 104 [taxonomic synonym]

taxonomic synonym of: Hybanthus monopetalus (Schult.) Domin legitimate

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

orthographic variant: Ionidium linaroides F.Muell. orth. var. orthographic variant: Jonidium linarioides Domin orth. var.

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

taxonomic synonym of: Hybanthus monopetalus (Schult.) Domin 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: 31 [taxonomic synonym]

taxonomic synonym of: Pigea monopetala (Schult.) Ging. ex DC. legitimate

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