Kalanchoe gideonsmithii (K. subg. Kalanchoe; Crassulaceae subfam. Kalanchooideae), a further new species endemic to the Maputaland-Pondoland Region of Endemism in KwaZulu-Natal, eastern South Africa
. Phytotaxa 566 (2): 233–241. https://doi.org/10.11646/phytotaxa.566.2.8