[1]
G. F. Smith, R. R. Klopper, N. R. Crouch, and E. Figueiredo, “Reinstatement of Aloe davyana var. subolifera (Asphodelaceae subfam. Alooideae), a distinctive variety of an endemic South African aloe”, Phytotaxa, vol. 482, no. 2, pp. 208–212, Jan. 2021.