Bailey, F.M. (December 1893), Contributions to the Queensland flora. Botany Bulletin. Department of Agriculture, Queensland 8: 79 [tax. nov.]

• Type: "Kamerunga, E. Cowley."

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 326, Fig. 306 [secondary reference]

Domin, K. (September 1928), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 1085 [basionym]

basionym of: Cynanchum pachylepis (F.M.Bailey) Domin legitimate

Forster, P.I. (25 October 1995), Circumscription of Marsdenia (Asclepiadaceae: Marsdenieae), with a revision of the genus in Australia and Papuasia. Australian Systematic Botany 8(5): 732 [secondary reference]

• Type: "Queensland, Cook District: Kamerunga, Barron River, E.Cowley s.n., Jan. 1893 (holo: BRI (AQ333088))."

Forster, P.I. (25 October 1995), Circumscription of Marsdenia (Asclepiadaceae: Marsdenieae), with a revision of the genus in Australia and Papuasia. Australian Systematic Botany 8(5): 732 [taxonomic synonym]

taxonomic synonym of: Marsdenia araujacea F.Muell. legitimate

Forster, P.I. in Orchard, A.E. (ed.) (1996), Asclepiadaceae. Flora of Australia 28: 258 [taxonomic synonym]

taxonomic synonym of: Marsdenia araujacea F.Muell. legitimate

Forster, P.I. (23 August 2019), Rediscovery of the previously Extinct Marsdenia araujacea F.Muell. (Apocynaceae). Austrobaileya 10(3): 539 [taxonomic synonym]

taxonomic synonym of: Marsdenia araujacea F.Muell. legitimate

Forster, P.I. (24 March 2021), Gymnema R.Br. and Leichhardtia R.Br. (Apocynaceae), reinstated genera for taxa previously included in Marsdenia R.Br.: a conspectus for Australia, New Guinea and the Solomon Islands. Austrobaileya 11: 6 [secondary reference]

• Type: "Australia. Queensland. COOK DISTRICT: Kamerunga, Barron River, January 1893, E. Cowley s.n. (holo: BRI [AQ333088])."

Forster, P.I. (24 March 2021), Gymnema R.Br. and Leichhardtia R.Br. (Apocynaceae), reinstated genera for taxa previously included in Marsdenia R.Br.: a conspectus for Australia, New Guinea and the Solomon Islands. Austrobaileya 11: 6 [taxonomic synonym]

taxonomic synonym of: Leichhardtia araujacea (F.Muell.) P.I.Forst. legitimate

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