Smith, G.F. and Figueiredo, E. 2022.

Aloe hankeyi (Asphodelaceae subfam. Alooideae; Aloe sect. Leptoaloe), a new species from northern South Africa

. Phytotaxa. 549, 1 (Jun. 2022), 122–126. DOI:https://doi.org/10.11646/phytotaxa.549.1.12.