G. F. Smith and A. M. Monro, “The correct name for the subfamily containing Kalanchoe is Crassulaceae subfam. Cotyledonoideae, and not Crassulaceae subfam. Kalanchooideae, with amendment of the circumscription of Crassulaceae subfam. Cotyledonoideae”, Phytotaxa, vol. 672, no. 3, pp. 293–298, Nov. 2024.