Cactus heyderi (Muehlenpf.) Kuntze species synonym

Cactus meiacanthus (Engelm.) Kuntze species synonym

Mammillaria hemisphaerica var. nigrispina Fric variety synonym

Mammillaria hemisphaerica var. albispina Fric variety synonym

Mammillaria gummifera Engelm. species synonym

Mammillaria heyderi subsp. meiacantha (Engelm.) D.R.Hunt subspecies accepted

Mammillaria heyderi subsp. hemisphaerica (Engelm.) D.R.Hunt subspecies accepted

Mammillaria heyderi subsp. heyderi subspecies accepted

Mammillaria hemisphaerica Engelm. species synonym

Mammillaria heyderi var. waltheri (Boed.) Mottram variety synonym

Mammillaria heyderi var. meiacantha (Engelm.) L.D.Benson variety synonym

Mammillaria heyderi var. hemisphaerica (Engelm.) Engelm. variety synonym

Mammillaria heyderi subsp. gummifera (Engelm.) D.R.Hunt subspecies accepted

Mammillaria heyderi subsp. gaumeri (Britton & Rose) D.R.Hunt subspecies accepted

Mammillaria heyderi var. bullingtoniana Castetter, P.Pierce & K.H.Schwer. variety synonym

Mammillaria heyderi var. bullingtonia Castetter, P.Pierce & K.H.Schwer., 1976 variety accepted

Mammillaria heyderi var. applanata (Engelm.) Engelm. variety synonym

Mammillaria hemisphaerica var. waltheri (Boed.) R.T.Craig variety synonym

Mammillaria gummifera var. meiacantha (Engelm.) L.D.Benson variety synonym

Mammillaria gummifera var. macdougalii (Rose) L.D.Benson variety synonym

Mammillaria gummifera var. hemisphaerica (Engelm.) L.D.Benson variety synonym

Mammillaria gummifera var. applanta (Engelm.) L.D.Benson variety synonym

Mammillaria gummifera var. applanata (Engelm.) L.D.Benson variety synonym

Mammillaria gaumeri (Britton & Rose) Orcutt species synonym

Mammillaria buchheimiana Quehl species synonym

Mammillaria applanata Engelm. ex Salm-Dyck species synonym

Mammillaria waltheri Boed. species synonym

Mammillaria texensis Labour. species synonym

Mammillaria sororia Meinsh. species synonym

Mammillaria parrasensis Repp. species synonym

Mammillaria melanocentra var. runyonii (Britton & Rose) R.T.Craig variety synonym

Mammillaria melanocentra var. meiacantha (Engelm.) R.T.Craig variety synonym

Mammillaria meiacantha Engelm. species synonym

Mammillaria macdougalii Rose species synonym

Mammillaria lindheimeri Engelm. ex Hemsl. species synonym

Neomammillaria runyonii Britton & Rose species synonym

Neomammillaria melanocentra var. meiacantha (Engelm.) R.T.Craig variety synonym

Neomammillaria meiacantha (Engelm.) Britton & Rose species synonym

Neomammillaria macdougalii (Rose) Britton & Rose species synonym

Neomammillaria heyderi (Muehlenpf.) Britton & Rose species synonym

Neomammillaria hemisphaerica (Engelm.) Britton & Rose species synonym

Neomammillaria gummifera (Engelm.) Britton & Rose species synonym

Neomammillaria gaumeri Britton & Rose species synonym

Neomammillaria applanata (Engelm.) Britton & Rose species synonym

Mammillaria heyderi var. gummifera (Engelm.) L.D.Benson variety synonym

Cactus heyderi var. hemisphaericus (Engelm.) J.M.Coult. variety synonym

Cactus gummifer (Engelm.) Kuntze species synonym

Mammillaria heyderi f. applanata (Engelm.) Schelle form synonym

Cactus heyderi var. hemisphaericus (Engelm.) Kuntze variety synonym

Mammillaria heyderi f. hemisphaerica (Engelm.) Schelle form synonym

Cactus sororius (Meinsh.) Kuntze species synonym

Mammillaria applanata Engelm. species synonym

Mammillaria runyonii (Britton & Rose) Boed. species heterotypic synonym

Cactus hemisphaericus (Engelm.) Small species synonym

Cactus texensis (Labour.) Kuntze species synonym

Mammillaria heyderi subsp. macdougalii (Rose) D.R.Hunt subspecies synonym

Mammillaria lindheimeri Engelm. species homotypic synonym

Mammillaria heyderi var. macdougalii (Rose) L.D.Benson variety synonym