External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:105536-2
- Publication
- Cactaceae, The (Britton & Rose). Descriptions and illustrations of plants of the cactus family
- Collation
- 3: 209
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Echinocactus grahlianus J.N.Haage
- Same citation as
- Frailea grahliana (F.Haage) Britton & Rose
- Same citation as
- Frailea grahliana Britton & Rose, Cactaceae (Britton & Rose) 3: 209 (1922).