External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:251055-2
- Publication
- Cactaceae, The (Britton & Rose). Descriptions and illustrations of plants of the cactus family
- Collation
- 4: 8, fig. 5
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Echinocactus phymatothelos Poselg.
- Same citation as
- Thelocactus phymatothele Britton & Rose, Cactaceae (Britton & Rose) 4: 8 (1923).