Smith, G. F. “The Taxonomy and Nomenclature of Kalanchoe elizae (Crassulaceae Subfam. Cotyledonoideae) from South-Tropical Africa, and Its Heterotypic Synonyms”. Phytotaxa, vol. 701, no. 1, May 2025, pp. 41-55, doi:10.11646/phytotaxa.701.1.3.