Smith GF, Monro AM. “Parting is such sweet sorrow [. ]”, or the perils of publishing papers in parts: the case of the nomenclatural novelties published by Raymond Hamet (1890–1972) in his two-part monograph (1907, 1908) of Kalanchoe (Crassulaceae subfam. Kalanchooideae), with special reference to the new names and new combinations treated (but not first published) in part 2. Phytotaxa [Internet]. 2024 Apr. 23 [cited 2025 Dec. 6];645(2):149-62. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.645.2.4