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Smith, G.F. 2023. A review of exotic Kalanchoe taxa (Crassulaceae subfam. Kalanchooideae) naturalised and cultivated in Africa and the Gulf of Guinea islands, with their nomenclature updated. Phytotaxa. 613, 1 (Sep. 2023), 1–28. DOI:https://doi.org/10.11646/phytotaxa.613.1.1.