Bentham, G. (30 May 1863), Flora Australiensis 1: 102 [tax. nov.]

• Type: "W. Australia. Swan River, Drummond, 1st coll & n. 665 of a subsequent one"

Domin, K. (1923), New Additions to the Flora of Western Australia. Vestnik Kralovske Ceske Spolecnosti Nauk, Trida Matematiko-Prirodevedecke 2: 74 [basionym]

basionym of: Hybanthus brevilabris (Benth.) Domin legitimate

Bennett, E.M. (14 November 1972), A revision of the Australian species of Hybanthus Jacquin (Violaceae). Nuytsia 1(3): 232 [secondary reference]

• Type: "West. Austr. Drummond 665 (syn.: MEL); Swan River, Drummond, 1st Coll. (syn.: n.v)."

Bennett, E.M. (14 November 1972), A revision of the Australian species of Hybanthus Jacquin (Violaceae). Nuytsia 1(3): 231 [taxonomic synonym]

taxonomic synonym of: Hybanthus floribundus (Lindl.) F.Muell. legitimate

Adams, L.G. & George, A.S. in George, A.S. (ed.) (1982), Violaceae. Flora of Australia 8: 108 [taxonomic synonym]

taxonomic synonym of: Hybanthus floribundus (Lindl.) F.Muell. subsp. floribundus legitimate

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

taxonomic synonym of: Hybanthus floribundus (Lindl.) F.Muell. subsp. floribundus 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 floribunda Lindl. legitimate

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