Forster, P.I. & Thongpukdee, A. (5 October 1988), Studies on the Australasian Asclepiadaceae, III a new species of Cynanchum L. and a new name in Marsdenia R.Br. Austrobaileya 2(5): 451, figs 1, 2 [tax. nov.]

• Type: "Clarkson 4053 (holo: BRI; iso: CANB, K, L, MO, NSW, NT, PERTH, QRS) ... "5 km W of the Watson River crossing on the Aurukun–Merluna road, ca 40 km NE of Aurukun, Dec. 1981"

Thomas, M.B. & McDonald, W.J.F. (1989), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 2: 18 [secondary reference]

taxonomic synonym: Cynanchum sp. 'Watson River' (J.R.Clarkson 4053) [n/a]

Forster, P.I. (27 September 1991), A taxonomic revision of Cynanchum L. (Asclepiadaceae: Asclepiadoideae) in Australia. Austrobaileya 3(3): 449 [secondary reference]

Forster, P.I. in Orchard, A.E. (ed.) (1996), Asclepiadaceae. Flora of Australia 28: 228, Map 263 [secondary reference]

Liede, S. (1996), Cynanchum - Rhodostegiella - Vincetoxicum - Tylophora: new considerations on an old problem. Taxon 45(2): 205 [basionym]

basionym of: Vincetoxicum brachystelmoides (P.I.Forst.) Liede legitimate

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [secondary reference]

nomenclatural synonym: Vincetoxicum brachystelmoides (P.I.Forst.) Liede legitimate taxonomic synonym: Cynanchum sp. 'Watson River' (J.R.Clarkson 4053) [n/a]

• APC Dist.: NT, Qld

Bostock, P.D. & Holland, A.E. (August 2016), Appendix A: New names and name and status changes 2015 census to 2016 census. Introduction to the Census of the Queensland Flora 2016: 18 [nomenclatural synonym]

nomenclatural synonym of: Vincetoxicum brachystelmoides (P.I.Forst.) Liede legitimate

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Vincetoxicum brachystelmoides (P.I.Forst.) Liede legitimate

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