External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:150590-2
- Publication
- Monatsschrift für Kakteenkunde. Berlin
- Collation
- 5: 70
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Mammillaria radiosa f. alversonii (J.M.Coult.) Schelle
- Nomenclatural link
- Cactus radiosus var. alversonii J.M.Coult., Contr. U.S. Natl. Herb. 3(2): 122 (1894).