Smith, G.F. (2024) An alternative subgeneric classification of Kalanchoe (Crassulaceae subfam. Cotyledonoideae) globally: a nomenclatural and taxonomic review, with a new status for K. subg. Pubescentes. Phytotaxa 665 (3): 201–220. https://doi.org/10.11646/phytotaxa.665.3.3