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