Mueller, F.J.H. von (1876), Fragmenta Phytographiae Australiae 10(85): 81 [comb. nov.]

basionym: Pigea calycina DC. legitimate

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

Bennett, E.M. (14 November 1972), A revision of the Australian species of Hybanthus Jacquin (Violaceae). Nuytsia 1(3): 236, Fig. 6 (map) [secondary reference]

nomenclatural synonym: Solea calycina (DC.) Spreng. legitimate nomenclatural synonym: Pigea calycina DC. legitimate nomenclatural synonym: Ionidium calycinum (DC.) Steud. legitimate nomenclatural synonym: Calceolaria calycina (DC.) Kuntze nom. illeg., nom. superfl. taxonomic synonym: Pigea glauca Endl. legitimate taxonomic synonym: Ionidium glaucum (Endl.) Steud. legitimate taxonomic synonym: Vlamingia australasiaca de Vriese legitimate

Adams, L.G. & George, A.S. in George, A.S. (ed.) (1982), Violaceae. Flora of Australia 8: 105, Fig 26, Map 111 APC [secondary reference]

nomenclatural synonym: Solea calycina (DC.) Spreng. legitimate nomenclatural synonym: Pigea calycina DC. legitimate nomenclatural synonym: Ionidium calycinum (DC.) Steud. legitimate nomenclatural synonym: Calceolaria calycina (DC.) Kuntze nom. illeg., nom. superfl. taxonomic synonym: Pigea glauca Endl. legitimate taxonomic synonym: Ionidium glaucum (Endl.) Steud. legitimate taxonomic synonym: Vlamingia australasiaca de Vriese legitimate

• APC Dist.: WA

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 118 [secondary reference]

Wheeler, J.R. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Violaceae. Flora of the Perth Region 1: 155, Fig. 38 [secondary reference]

common name: Wild Violet [n/a]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 933 [secondary reference]

common name: Wild Violet [n/a]

Barrett, Russell & Tay, Eng Pin (2016), Perth Plants: a Field Guide to the Bushland and Coastal Flora of Kings Park and Bold Park Edn. 2: 174-175, photos 10-12 [secondary reference]

common name: Wild Violet [n/a]

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

Parker, C.M. & Percy-Bower, J.M. (22 March 2024), Updates to Western Australia’s vascular plant census for 2023. Nuytsia 35: 5 [nomenclatural synonym]

nomenclatural synonym of: Pigea calycina DC. legitimate

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