External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77247545-1
- Publication
- Anales de la Sociedad Espanola de Historia Natural
- Collation
- 3: 293
- Date of Publication
- (1894)
- Family as entered in IPNI
- Rubiaceae