Species was first described and published in Journal of the Linnean Society. Botany. 20: 272. 1883. London. "Plant Name Details for Aloe capitata". IPNI. Retrieved August 6, 2010.
kew.org
powo.science.kew.org
"Aloe capitata Baker". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved July 16, 2020.