External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:105523-2
- Publication
- Cactaceae, The (Britton & Rose). Descriptions and illustrations of plants of the cactus family
- Collation
- 3: 211
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Echinocactus caespitosus Speg., Anales Mus. Nac. Buenos Aires ser. 3, 4: 495 (1905).
- Same citation as
- Frailea caespitosa Britton & Rose, Cactaceae (Britton & Rose) 3: 211 (1922).
- Same citation as
- Frailea caespitosa (Speg.) Britton & Rose