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: 19, 66 [primary reference]

taxonomic synonym: Thozetia sp. Lolworth Creek (H.Marsh s.n. Apr 1978) [n/a]

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

taxonomic synonym of: Tylophora williamsii P.I.Forst. legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Vincetoxicum williamsii (P.I.Forst.) Meve & Liede legitimate

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