Smith, G.F. & Crouch, N.R. (2025) Kalanchoe olivierae (Crassulaceae [subfam. Cotyledonoideae] tr. Kalanchoeae), a new species from southeastern South Africa. Phytotaxa 726 (4): 246–258. https://doi.org/10.11646/phytotaxa.726.4.2