Mueller, F.J.H. von (February 1862), Thalamiflorae. The Plants Indigenous to the Colony of Victoria 1: 66-68, 224 [comb. nov.]

basionym: Pigea filiformis Ging. legitimate taxonomic synonym: Ionidium linearioides C.Presl legitimate

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

nomenclatural synonym: Pigea filiformis Ging. legitimate taxonomic synonym: Ionidium linearioides C.Presl legitimate

Dixon, W.A. (1906), The Plants of New South Wales: 38 [secondary reference]

alternative name: Hybanthus filiformis (Ging.) F.Muell. legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 42 [secondary reference]

Sulman, F. (1914), A Popular Guide to the Wild Flowers of New South Wales II: 15, Plate VII [secondary reference]

common name: Lady's Slipper [n/a]

Domin, K. (1928), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 985 [taxonomic synonym]

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

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

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Violaceae. Flora of South-eastern Queensland 2: 100 [taxonomic synonym]

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

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

orthographic variant: Jonidium filiforme 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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