Steudel, E.G. von (1840), Nomenclator Botanicus Edn. 2, 1(7): 813 [comb. nov.]

basionym: Pigea calycina DC. legitimate

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

nomenclatural synonym: Solea calycina (DC.) Spreng. legitimate nomenclatural synonym: Pigea calycina DC. legitimate taxonomic synonym: Pigea glauca Endl. legitimate taxonomic synonym: Ionidium glaucum (Endl.) Steud. legitimate taxonomic synonym: Vlamingia australasiaca de Vriese legitimate

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]

Bennett, E.M. (14 November 1972), A revision of the Australian species of Hybanthus Jacquin (Violaceae). Nuytsia 1(3): 236 [nomenclatural synonym]

nomenclatural synonym of: Hybanthus calycinus (DC.) F.Muell. legitimate

Adams, L.G. & George, A.S. in George, A.S. (ed.) (1982), Violaceae. Flora of Australia 8: 105 [nomenclatural synonym]

nomenclatural synonym of: Hybanthus calycinus (DC.) 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 calycina DC. legitimate

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