Smith, G.F. & Monro, A.M. (2024) “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 645 (2): 149–162. https://doi.org/10.11646/phytotaxa.645.2.4