Smith, G.F. & Figueiredo, E. (2019)

Aloe ×gemmelliae (Asphodelaceae subfam. Alooideae), a new natural hybrid between A. broomii and A. grandidentata from the southwestern Free State province, South Africa

. Phytotaxa 423 (3): 182–186. https://doi.org/10.11646/phytotaxa.423.3.6