Bennett, E.M. (14 November 1972), A revision of the Australian species of Hybanthus Jacquin (Violaceae). Nuytsia 1(3): 233, Fig. 5 (map) [explicit autonym]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 210 [secondary reference]

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

taxonomic synonym: Ionidium australasiae Behr legitimate taxonomic synonym: Ionidium multiflorum Turcz. legitimate taxonomic synonym: Ionidium brevilabre Benth. legitimate taxonomic synonym: Hybanthus brevilabris (Benth.) Domin legitimate taxonomic synonym: Clelandia convallis J.M.Black legitimate

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: 156 [secondary reference]

James, T.A. in Harden, G.J. (ed.) (1990), Violaceae. Flora of New South Wales 1: 439-440 [secondary reference]

common name: Shrub Violet [n/a]

Entwisle, T.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Violaceae. Flora of Victoria 3: 368, Fig. 75e [secondary reference]

nomenclatural synonym: Pigea floribunda Lindl. legitimate common name: Shrub Violet [n/a]

James, T.A. in Harden, G.J. (ed.) (2000), Violaceae. Flora of New South Wales Revised Edition 1: 439-440 [secondary reference]

common name: Shrub Violet [n/a]

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

nomenclatural synonym: Hybanthus floribundus (Lindl.) F.Muell. var. floribundus legitimate taxonomic synonym: Ionidium australasiae Behr legitimate taxonomic synonym: Ionidium multiflorum Turcz. legitimate taxonomic synonym: Ionidium brevilabre Benth. legitimate taxonomic synonym: Hybanthus brevilabris (Benth.) Domin legitimate taxonomic synonym: Clelandia convallis J.M.Black legitimate

• APC Dist.: WA, SA, NSW, Vic

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 [nomenclatural synonym]

nomenclatural synonym of: Pigea floribunda Lindl. legitimate

Parker, C.M. & Percy-Bower, J.M. (22 March 2024), Updates to Western Australia’s vascular plant census for 2023. Nuytsia 35: 6 [nomenclatural synonym]

nomenclatural synonym of: Pigea floribunda Lindl. legitimate

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