Smith, G. F. A Nomenclatural and Taxonomic Review of the Names and New Combinations Published Between 1881 and 1930 in the Genus Kitchingia, Basionym of Kalanchoe Subg. Kitchingia (Crassulaceae Subfam. Kalanchooideae), by John Gilbert Baker (1834–1920), Otto Stapf (1857–1933), and Alwin Berger (1871–1931). Phytotaxa 2024, 660, 225-242.