Smith GF. The ‘woody clade’ in Kalanchoe: reinstatement and amendment of K. subg. Calophygia (Crassulaceae subfam. Kalanchooideae) published by Bernard Marie Descoings in 2006. Phytotaxa [Internet]. 2023 Sep. 26 [cited 2025 Apr. 8];616(2):113-27. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.616.2.1