Shtein, R.; Smith, G. F.; Ikeda, J.

Aspects of the Taxonomy of the Kalanchoe daigremontiana Species Complex (Crassulaceae Subfam. Kalanchooideae) and Associated Interspecific Hybrids in Southern Madagascar, With the Description of a New Nothospecies, K. ×descoingsii (=K. laetivirens × K. tubiflora)

. Phytotaxa 2021, 524, 235-260.