SMITH, G. F. A reassessment of variation in Kalanchoe gastonis-bonnieri (Crassulaceae subfam. Cotyledonoideae), a pseudo-rosulate species from Madagascar: reinstatement of K. adolphi-engleri at the rank of varietas under K. gastonis-bonnieri. Phytotaxa, Auckland, New Zealand, v. 672, n. 3, p. 277–284, 2024. DOI: 10.11646/phytotaxa.672.3.5. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.672.3.5. Acesso em: 6 dec. 2025.