All Species in Acanthocalycium
- Acanthocalycium klinglerianum (Acanthocalycium klinglerianum)
- Acanthocalycium leucanthum (Acanthocalycium leucanthum)
- Acanthocalycium rhodotrichum (Acanthocalycium rhodotrichum)
- Acanthocalycium rhodotrichum subsp. chacoanum (Acanthocalycium rhodotrichum subsp. chacoanum)
- Acanthocalycium rhodotrichum subsp. rhodotrichum (Acanthocalycium rhodotrichum subsp. rhodotrichum)
- Acanthocalycium spiniflorum (Acanthocalycium spiniflorum)
- Acanthocalycium thionanthum (Acanthocalycium thionanthum)
- Acanthocalycium thionanthum subsp. ferrarii (Acanthocalycium thionanthum subsp. ferrarii)
- Acanthocalycium thionanthum subsp. glaucum (Acanthocalycium thionanthum subsp. glaucum)
- Acanthocalycium thionanthum subsp. thionanthum (Acanthocalycium thionanthum subsp. thionanthum)