Mueller, F.J.H. von (1863), Fragmenta Phytographiae Australiae 3(23): 150 [tax. nov.]

• Type: "In plagis arenosis ad rivum Wills Creek legit Dr.J. Murray sub expeditione Howittiana"

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 13 [secondary reference]

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 22 [secondary reference]

Black, J.M. (1924), Casuarinaceae - Euphorbiaceae. Flora of South Australia 2: 334-335 [secondary reference]

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 489 [secondary reference]

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 243 [secondary reference]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 440-441, Fig. 53h [secondary reference]

common name: Clasping Twinleaf [n/a]

Eichler, Hj. in Jessop, J.P. (ed.) (1981), Zygophyllaceae. Flora of Central Australia: 183, Fig. 207I & R [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 212 [secondary reference]

Williams, K.A.W. (1984), Native Plants of Queensland 2: 296 [secondary reference]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 81 [secondary reference]

Eichler, Hj. in Harden, G.J. (ed.) (1992), Zygophyllum. Flora of New South Wales 3: 12 [secondary reference]

common name: Clasping Twinleaf [n/a]

Barker, R.M. (6 March 1998), Notes on Zygophyllum (Zygophyllaceae) in Australia including the descriptions of five new species and one new subspecies, revised keys and typifications. Journal of the Adelaide Botanic Gardens 18(1): 66 [secondary reference]

• Lectotype: here selected: Dr. J. Murray [Howitt's expedition] s.n., [July 1862]. Sandy country near Wills Creek [Diamantina River near Salmonville, 14 miles upstream from Birdsville, Queensland] (MEL95098); isolectotypes: K (herb. Hooker), K p.p., the latter seen as photographs in the Eichler manuscripts.

Beier, B.-A., Chase, M.W. & Thulin, M. (2003), Phylogenetic relationships and taxonomy of subfamily Zygophylloideae (Zygophyllaceae) based on molecular and morphological data. Plant Systematics and Evolution 240: 31 [basionym]

basionym of: Roepera howittii (F.Muell.) Beier & Thulin legitimate

Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - [secondary reference]

nomenclatural synonym: Roepera howittii (F.Muell.) Beier & Thulin legitimate

• APC Dist.: NT, SA, Qld, NSW

Barker, R.M. in Wilson, A.J.G. (ed.) (2013), Zygophyllaceae. Flora of Australia 26: 572, Fig. 88A-H [secondary reference]

nomenclatural synonym: Roepera howittii (F.Muell.) Beier & Thulin legitimate common name: Clasping Twin-leaf [n/a]

Bostock, P.D. & Holland, A.E. (3 October 2014), Appendix A. Name and status changes 2013 census to 2014 census. Census of the Queensland Flora: 30 [secondary reference]

nomenclatural synonym: Roepera howittii (F.Muell.) Beier & Thulin legitimate

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Roepera howittii (F.Muell.) Beier & Thulin legitimate

Brown, G.K. (December 2021), Appendix A: New names and name and status changes 2020 to 2021. Introduction to the Census of the Queensland Flora 2021: 14 [nomenclatural synonym]

nomenclatural synonym of: Roepera howittii (F.Muell.) Beier & Thulin legitimate

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