Smith, G.F., Klopper, R.R., Crouch, N.R. & Figueiredo, E. (2020)

Reinstatement of Aloe davyana (Asphodelaceae subfam. Alooideae), a winter-flowering species endemic to central-northeastern South Africa

. Phytotaxa 475 (3): 201–208. https://doi.org/10.11646/phytotaxa.475.3.4