Kalanchoe , Berger 1930

6. Kalanchoe [unranked] Linearifoliae Berger (1930: 407). Type:— K. linearifolia Drake del Castillo (1903: 41) (Fig. 2A).Published as part of Smith, Gideon F., 2023, A review of the infrageneric classifications proposed for Kalanchoe (Crassulaceae subfam. Kalanchooideae) from the earliest times up to 2000, pp. 1-38 in Phytotaxa 619 (1) on page 13, DOI: 10.11646/phytotaxa.619.1.1, http://zenodo.org/record/842564