Accepted By:
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Bridson, D. M. 1979. studies in Tarenna sensu lato (Rubiaceae subfam. Cinchonoideae) for part 2 of 'Flora of Tropical East Africa: Rubiaceae'. Kew Bull. 34(2): 377–401.
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Gibbs Russell, G. E., W. G. M. Welman, E. Retief, K. L. Immelman, G. Germishuizen, B. J. Pienaar, M. Van Wyk & A. Nicholas. 1987. List of species of southern African plants. Mem. Bot. Surv. South Africa 2(1–2): 1–152(pt. 1), 1–270(pt. 2).
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