Smith, G.F. 2023. Taxonomy and nomenclature of Kalanchoe beharensis (Crassulaceae subfam. Kalanchooideae), a variable, arborescent species from Madagascar, with reference to its horticultural derivatives. Phytotaxa. 612, 1 (Sep. 2023), 1–32. DOI:https://doi.org/10.11646/phytotaxa.612.1.1.