Echinocactus muehlenpfordtii Poselg. species heterotypic synonym

Coryphantha scheeri (Muehlenpf.) L.D.Benson species synonym

Mammillaria robustispina A.Schott species homotypic synonym

Cactus scheeri (Lem.) Kuntze species synonym

Mammillaria scheeri Muehlenpf. species synonym

Mammillaria scheeri var. valida Engelm. variety synonym

Mammillaria robustispina A.Schott ex Engelm. species synonym

Cactus robustispinus (A.Schott ex Engelm.) Kuntze species synonym

Cactus brownii (Toumey) Toumey species synonym

Coryphantha muehlenpfordtii (Poselg.) Britton & Rose species synonym

Coryphantha muehlenpfordtii var. robustispina (A.Schott ex Engelm.) W.T.Marshall variety synonym

Coryphantha scheeri var. scheeri variety synonym

Coryphantha scheeri var. valida (Engelm.) Benson variety synonym

Coryphantha scheeri var. uncinata L.D.Benson variety synonym

Coryphantha scheeri var. robustispina (A.Schott ex Engelm.) Benson variety synonym

Coryphantha robustispina subsp. uncinata (L.D.Benson) N.P.Taylor subspecies synonym

Coryphantha robustispina subsp. scheeri (Lem.) N.P.Taylor subspecies accepted

Coryphantha neoscheeri Backeb. species synonym

Coryphantha muehlenpfordtii subsp. uncinata (L.D.Benson) Dicht subspecies synonym

Coryphantha muehlenpfordtii subsp. robustispina (Schott ex Engelm.) Dicht subspecies synonym

Coryphantha scheeri (Muehlenpf.) Lem. species synonym

Coryphantha robustispina subsp. robustispina subspecies accepted

Mammillaria brownii Toumey species synonym