Smith GF. The classification of the southern and south-tropical African Kalanchoe [subg. Kalanchoe] sect. Raveta (Crassulaceae subfam. Cotyledonoideae) expanded and refined: description of K. [sect. Raveta] ser. Paniculatae, K. [sect. Raveta] ser. Alticolae, K. [sect. Raveta] ser. Leblanciae, K. [sect. Raveta] ser. Humiles, and K. [sect. Raveta] ser. Elizae. Phytotaxa [Internet]. 2025 Nov. 4 [cited 2025 Dec. 5];726(3):125-42. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.726.3.1