Taxonomy
- Taxonomic Rank
- Variety
- Author
- L.D.Benson
- Publication
- Cacti Ariz.: 23. 1969.
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Caryophyllales
- Family
- Cactaceae
- Genus
- Echinocactus
- Species
- Echinocactus horizonthalonius
Synonyms
Echinocactus horizonthalonius subsp. nicholii Meyerocactus horizonthalonius subsp. nicholii