Thelocactus ysabelae Schlange ex Croizat species synonym

Turbinicarpus saueri subsp. nieblae (García-Mor., Mart.-Aval. & Bergm.Beck.) A.Hofer subspecies accepted

Turbinicarpus saueri subsp. nelissii Halda & Panar. subspecies accepted

Gymnocactus ysabelae (Schlange) Backeb. species synonym

Turbinicarpus ysabelae (Schlange) V.John & Ríha species synonym

Turbinicarpus saueri subsp. saueri subspecies accepted

Thelocactus ysabelae Schlange species synonym

Neolloydia knuthiana (Boed.) F.M.Knuth species synonym

Gymnocactus ysabelae var. brevispinus (Schlange) Backeb. variety synonym

Gymnocactus saueri (Boed.) Backeb. species synonym

Gymnocactus knuthianus (Boed.) Backeb. species synonym

Echinocactus knuthianus Boed. species synonym

Pediocactus ysabelae (Schlange) Halda species synonym

Pediocactus saueri (Boed.) Halda species synonym

Pediocactus knuthianus (Boed.) Halda species synonym

Turbinicarpus ysabelae var. brevispinus (Schlange) John & Ríha variety synonym

Turbinicarpus saueri subsp. ysabelae (Schlange) Lüthy subspecies synonym

Turbinicarpus saueri subsp. verduzcoi Zachar & Lux subspecies accepted

Turbinicarpus saueri subsp. septentrionalis Matusz. & Snicer subspecies accepted

Turbinicarpus saueri subsp. nelissae Halda & Panar. subspecies accepted

Turbinicarpus saueri subsp. knuthianus (Boed.) Lüthy subspecies accepted

Turbinicarpus saueri subsp. gonzalezii Pavlícek & Zatloukal subspecies accepted

Turbinicarpus nieblae García-Mor., Mart.-Aval. & Bergm.Beck. species synonym

Turbinicarpus knuthianus (Boed.) V.John & Ríha species synonym

Thelocactus ysabelae var. brevispinus Schlange variety synonym

Thelocactus saueri (Boed.) Borg species synonym

Thelocactus knuthianus (Boed.) Borg species synonym

Neolloydia saueri (Boed.) F.M.Knuth species synonym

Neolloydia knuthiana var. ysabelae (Schlange) A.T.Powell variety synonym

Echinocactus saueri Boed. species synonym

Thelocactus knuthianus (Boed.) W.T.Marshall species synonym