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Grace, O.M., Klopper, R.R., Smith, G.F., Crouch, N.R., Figueiredo, E., Rønsted, N. and van Wyk, A.E. 2013. A revised generic classification for Aloe (Xanthorrhoeaceae subfam. Asphodeloideae). Phytotaxa. 76, 1 (Jan. 2013), 7–14. DOI:https://doi.org/10.11646/phytotaxa.76.1.2.