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Smith, G. F.; Figueiredo, E. Reinstatement of Aloe verdoorniae (Asphodelaceae Subfam. Alooideae), a Distinctively Purplish Blue-Leaved Species of Maculate Aloe Endemic to the Eastern Gauteng and Western Mpumalanga Provinces of South Africa. Phytotaxa 2023, 626, 110-118.