Peyotl koehresii (Riha) Sotom. species synonym

Echinocactus williamsii var. anhaloninicus K.Schum. variety synonym

Anhalonium williamsii (Salm-Dyck) Rümpler species synonym

Echinocactus lewinii (Henn.) K.Schum. species synonym

Echinocactus lewinii Henn. species synonym

Lophophora williamsii var. diffusa (Croizat) G.D.Rowley variety synonym

Lophophora lewinii C.H.Thomps. species synonym

Echinocactus williamsianus Lem. species synonym

Echinocactus lewisii (Henn.) K.Schum. species synonym

Peyotl zacatensis var. fricii (Haberm.) Sotom., Arred. & Mart.Mend. variety synonym

Peyotl xochimilcensis F.Hern. species synonym

Peyotl viridescens (Halda) Sotom., Arred. & Mart.Mend. species synonym

Peyotl diffusus (Croizat) Sotom., Arred. & Mart.Mend. species synonym

Ariocarpus williamsii (Lem. ex Salm-Dyck) Voss species synonym

Anhalonium williamsii (Lem. ex Salm-Dyck) C.F.Först. species synonym

Anhalonium lewinii Henn. species synonym

Echinocactus williamsii var. pellotinicus (K.Schum.) Rouhier variety synonym

Echinocactus williamsii var. luteus Rouhier variety synonym

Peyotl zacatensis F.Hern. species synonym

Lophophora lutea (Rouhier) Backeb. species synonym

Lophophora echinata Croizat species synonym

Lophophora diffusa (Croizat) Bravo species accepted

Lophophora diffusa subsp. diffusa subspecies synonym

Echinocactus williamsii Lem. ex Salm-Dyck species synonym

Lophophora williamsii var. typica Croizat variety synonym

Mammillaria williamsii (Lem. ex Salm-Dyck) J.M.Coult. species synonym

Lophophora williamsii var. texana Fric ex Kreuz. variety synonym

Lophophora williamsii var. pluricostata Croizat variety synonym

Lophophora williamsii var. pentagona Croizat variety synonym

Lophophora williamsii var. lutea (Rouhier) Soulaire variety synonym

Lophophora williamsii var. lewinii (Henn.) J.M.Coult. variety synonym

Lophophora williamsii var. koehresii (Ríha) Grym variety synonym

Lophophora williamsii var. heptagona Y.Itô variety synonym

Lophophora williamsii subsp. grymi Halda, Kupcák & Sladk. subspecies synonym

Lophophora williamsii var. fricii (Haberm.) Grym variety synonym

Lophophora williamsii subsp. diffusa (Croizat) Scheinvar subspecies synonym

Lophophora williamsii var. decipiens Croizat variety synonym

Lophophora williamsii var. cristata Houghton variety synonym

Lophophora viridescens (Halda) Halda species synonym

Lophophora pluricostata (Croizat) V.Gapon species synonym

Lophophora pentagona (Croizat) V.Gapon species synonym

Lophophora lutea var. texana (Fric ex Kreuz.) Backeb. variety synonym

Lophophora lewinii (Henn.) Rusby species synonym

Lophophora koehresii (Ríha) Bohata, Mysák & Snicer species synonym

Lophophora jourdaniana Haberm. species synonym

Lophophora fricii Haberm. species accepted

Lophophora echinata var. typica Croizat variety synonym

Lophophora echinata var. lutea (Rouhier) Croizat variety synonym

Lophophora echinata var. diffusa Croizat variety synonym

Lophophora diffusa subsp. viridescens Halda subspecies synonym

Lophophora diffusa var. swobodaiana Halda, Kupcák & Malina variety synonym

Lophophora diffusa subsp. kubesae Halda, Kupcák & Malina subspecies synonym

Lophophora diffusa var. koehresii Ríha variety synonym

Lophophora diffusa subsp. fricii (Haberm.) Halda subspecies synonym

Lophophora alberto-vojtechii Bohata, Mysák & Snicer species synonym

Mammillaria lewinii (Henn.) H.Karst. species synonym

Echinocactus williamsii Lem. species synonym

Lophophora williamsii (Lem. ex Salm-Dyck) J.M.Coult. species accepted

Lophophora williamsii var. echinata (Croizat) Bravo variety synonym

Echinocactus williamsii var. pellotinicus K.Schum. variety synonym

Lophophora williamsii var. texana Fric variety homotypic synonym