Smith, G.F. & Figueiredo, E. (2023)

Kalanchoe krigeae (K. subg. Kalanchoe; Crassulaceae subfam. Kalanchooideae), a new, small-growing species from northeastern South Africa split off from K. rotundifolia

. Phytotaxa 603 (3): 280–288. https://doi.org/10.11646/phytotaxa.603.3.7