Lophophora williamsii subsp. grymii Halda, Kupčák & Sladk. in Acta Mus. Richnov., Sect. Nat., 7: 36. 2000 Lophophora williamsii subsp. grymii Halda, Kupčák & Sladk. in Acta Mus. Richnov., Sect. Nat., 7: 36. 2000Taxon for this nameLophophora williamsii subsp. grymii Halda, Kupčák & Sladk.