Smith, Gideon F. “A New Taxonomic Status For, and Expansion Of, Kalanchoe Sect. Rhombopilosae, As K. Ser. Rhombopilosae, in K. Sect. Stellatopilosae, Included in K. Subg. Calophygia (Crassulaceae [subfam. Cotyledonoideae] Tr. Kalanchoeae)”. Phytotaxa 781, no. 3 (October 22, 2026): 251–261. Accessed October 22, 2026. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.781.3.4.