Smith, G. F., Klopper, R. R., Woudstra, Y., & Grace, O. M. (2025). A further step towards stabilising the nomenclature associated with the genus name Aloe (Asphodelaceae subfam. Alooideae): the legitimate name A. perfoliata and the illegitimate name A. mitriformis are based on the same type, with notes on the identity of A. mitriformis. Phytotaxa, 700(2), 223–232. https://doi.org/10.11646/phytotaxa.700.2.5