SMITH, G. F. Refinements to the infra-sectional classification of Kalanchoe [subg. Bryophyllum] sect. Invasores (Crassulaceae subfam. Cotyledonoideae) at the rank of series: description of K. [subg. Bryophyllum sect. Invasores] ser. Invasores, K. [subg. Bryophyllum sect. Invasores] ser. Fruticosa, and K. [subg. Bryophyllum sect. Invasores] ser. Herbacea. Phytotaxa, Auckland, New Zealand, v. 698, n. 4, p. 196–208, 2025. DOI: 10.11646/phytotaxa.698.4.1. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.698.4.1. Acesso em: 6 dec. 2025.