External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:149605-2
- Publication
- Cactaceae, The (Britton & Rose). Descriptions and illustrations of plants of the cactus family
- Collation
- 3: 205
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Echinocactus graessneri K.Schum., Monatsschr. Kakteenk. 13: 130 (1903).
- Same citation as
- Malacocarpus graessneri Britton & Rose, Cactaceae (Britton & Rose) 3: 205 (1922).
- Same citation as
- Malacocarpus graessneri (K.Schum.) Britton & Rose