Ferocactus recurvus (Miller) Berger Ferocactus recurvus var. latispinus (Haworth) Unger comb.nov. Ferocactus recurvus var. recurvus subvar. greenwoodii (Glass) Unger stat. nov.
Ferocactus recurvus (Miller) Berger
Ferocactus recurvus var. latispinus (Haworth) Unger comb.nov.
Ferocactus recurvus var. recurvus subvar. greenwoodii (Glass) Unger stat. nov.