Lindley, J. (1 January 1840), A Sketch of the Vegetation of the Swan River Colony: xlix [tax. nov.]

• Type: (not cited).

Lindley, J. (September 1840), The Genera and Species of Orchidaceous Plants: 521 [secondary reference]

Endlicher, S.F.L. in Lehmann, J.G.C. (ed.) (1846), Orchideae. Plantae Preissianae 2(1): 14 [secondary reference]

Bentham, G. (23 September 1873), Flora Australiensis 6: 318 [taxonomic synonym]

taxonomic synonym of: Thelymitra ixioides Sw. legitimate

George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 193 [secondary reference]

• Lectotype: "Swan River, Mangles - lecto.: K-L.."

Hoffman, N. & Brown, A. (1984), Orchids of South-West Australia: 46-47 [secondary reference]

common name: Bell Sun Orchid [n/a] common name: Shirt Orchid [n/a]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 56 [secondary reference]

Rye, B.L. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Orchidaceae. Flora of the Perth Region 2: 841 [secondary reference]

common name: Shirt Orchid [n/a]

Jones, D.L. (1988), Native Orchids of Australia: 289-290 [secondary reference]

common name: Bell Sun Orchid [n/a] common name: Shirt Orchid [n/a]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 138 [secondary reference]

Hoffman, N. & Brown, A. (1992), Orchids of South-West Australia Edn. 2: 259 [secondary reference]

common name: Bell Sun Orchid [n/a] common name: Shirt Orchid [n/a]

Hoffman, N. & Brown, A. (1998), Orchids of South-West Australia Edn. 2 (revised): 259 [secondary reference]

common name: Bell Sun Orchid [n/a] common name: Shirt Orchid [n/a]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 91 [secondary reference]

common name: Shirt Orchid [n/a]

Western Australian Herbarium (2003), FloraBase: the Western Australian Flora Version 2: - [secondary reference]

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 324 [secondary reference]

common name: bell sun orchid [n/a] common name: Shirt orchid [n/a]

• Etymology: "bell shaped, alluding to the cupped shape of the flowers"

Hoffman, N. & Brown, A. (2011), Orchids of South-West Australia Edn. 3: 312 [secondary reference]

common name: Bell Sun Orchid [n/a] common name: Shirt Orchid [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: 242-243, photos 13-16 [secondary reference]

common name: Bell Sun Orchid [n/a] common name: Shirt Orchid [n/a]

Backhouse, G.N., Bates, R.J., Brown, A.P. & Copeland, L.M. (1 March 2016), Checklist of the orchids of Australia including its island territories: 48, 134 [secondary reference]

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Thelymitra ixioides var. striata Nicholls nom. inval. pro parte misapplication: Thelymitra ixioides Sw. legitimate by Bentham, G. (23 September 1873), Flora Australiensis 6: 317-318

• APC Dist.: WA

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 447 [secondary reference]

common name: Bell Sun Orchid [n/a] common name: Shirt Orchid [n/a]

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 2: 214 [secondary reference]

common name: Bell Sun Orchid [n/a] common name: Shirt Orchid [n/a]

• Etymology: "From the Latin campanulatus (bell shaped), in reference to the distinctly cupped flowers."

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