Ridsdale, C.E. (1978), A revision of Mitragyna and Uncaria (Rubiaceae). Blumea 24(1): 75 [autonym]

Ford, A.J. & Hasenpusch, J.W. (23 November 2009), Rediscovery of Uncaria cordata (Lour.) Merr. var. cordata (Rubiaceae: Naucleeae) in Australia. Austrobaileya 8(1): 99 [nomenclatural synonym]

nomenclatural synonym of: Uncaria cordata (Lour.) Merr. legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - APC [secondary reference]

• APC Dist.: Qld

Bostock, P.D. & Holland, A.E. (November 2015), Appendix A: New names and name and status changes 2014 census to 2015 census. Introduction to the Census of the Queensland Flora 2015: 27 [secondary reference]

Turner, I.M. (2018), A revised conspectus of Uncaria (Rubiaceae). Webbia; raccolta di scritti botanici 73(1): 12-13 [secondary reference]

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