(1)
Smith, G. F.; Shtein, R.

Typification and Homotypic Synonymy of the Names Published in Kalanchoe (Crassulaceae Subfam. Kalanchooideae) by Raymond-Hamet and Henri Perrier De La Bâthie in the 1910s and in 1948

. Phytotaxa 2021, 520, 40-56.