Smith GF. Kalanchoe sect. Streptanthae (Crassulaceae subfam. Kalanchooideae), a new two-species section in K. subg. Bryophyllum. Phytotaxa [Internet]. 2023 Aug. 29 [cited 2025 Dec. 6];609(4):273-81. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.609.4.3