Thelocactus viereckii (Werderm.) Werderm. species synonym

Turbinicarpus viereckii subsp. reconditus Labhart subspecies accepted

Turbinicarpus viereckii var. neglectus (D.Donati & Zanov.) Romulski variety synonym

Turbinicarpus viereckii var. reconditus (Labhart) Romulski variety synonym

Turbinicarpus viereckii subsp. major (Glass & R.A.Foster) Glass subspecies accepted

Gymnocactus viereckii var. major Glass & R.A.Foster variety synonym

Pediocactus viereckii (Werderm.) Halda species synonym

Turbinicarpus viereckii subsp. viereckii subspecies accepted

Thelocactus viereckii (Werderm.) Borg species synonym

Gymnocactus viereckii (Werderm.) Backeb. species synonym

Neolloydia viereckii (Werderm.) F.M.Knuth species synonym

Gymnocactus viereckii subsp. major (Glass & R.A.Foster) Doweld subspecies synonym

Pediocactus viereckii var. major (Glass & R.A.Foster) Halda variety synonym

Turbinicarpus viereckii subsp. neglectus D.Donati & Zanov. subspecies accepted

Turbinicarpus viereckii var. major (Glass & R.A.Foster) John & Ríha variety synonym

Turbinicarpus major (Glass & R.A.Foster) D.Donati species synonym

Thelocactus viereckii var. major (Glass & R.A.Foster) Bravo variety synonym

Echinocactus viereckii Werderm. species synonym

Neolloydia viereckii var. major (Glass & R.A.Foster) E.F.Anderson variety synonym