External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77275529-1
- Species Name
- Euphorbia heptagona L., Sp. Pl. 1: 450 (1753).
- Publication
- Monatsschrift für Kakteenkunde. Berlin
- Collation
- 12: 109
- Family as entered in IPNI
- Euphorbiaceae