Turbinicarpus viereckii var. major (Glass & R.A.Foster) V.John & Říha
, Kaktusy (Brno) 19: 22 (1983).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:286475-2
- Publication
- Kaktusy; Zpravodaj Svazu Ceskych Aktusaru. Brno
- Collation
- 19: 22
- Family as entered in IPNI
- Cactaceae