External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77188462-1
- Species Name
- Euphorbia usambarica Pax, Bot. Jahrb. Syst. 19(1): 122 (1894).
- Publication
- Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie. Leipzig
- Collation
- 34: 374
- Family as entered in IPNI
- Euphorbiaceae