Sulcorebutia purpurea subsp. horacekii (Slaba) Halda & Malina in Acta Mus. Richnov., Sect. Nat., 14(4): 94. 2007
Sulcorebutia purpurea subsp. horacekii in Acta Mus. Richnov., Sect. Nat., 14(4): 94. 2007
is new combination for Sulcorebutia horacekii in Kaktusy (Brno) 43(4): 124. 2007