Liede-Schumann, S. & Meve, U. (2018), Vincetoxicum (Apocynaceae—Asclepiadoideae) expanded to include Tylophora and allies. Phytotaxa 369(3): 167 [comb. nov.]

basionym: Tylophora williamsii P.I.Forst. legitimate

Brown, G.K. & Bostock, P.D. (December 2020), Appendix A: New names and name and status changes 2019 to 2020. Introduction to the Census of the Queensland Flora 2020: 10 [secondary reference]

nomenclatural synonym: Tylophora williamsii P.I.Forst. legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Tylophora williamsii P.I.Forst. legitimate taxonomic synonym: Thozetia sp. Lolworth Creek (H.Marsh s.n. Apr 1978) [n/a] taxonomic synonym: Tylophora sp. [n/a] taxonomic synonym: Tylophora sp. Lolworth Creek (H.Marsh s.n. Apr 1978) [n/a]

• APC Dist.: Qld

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