External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:35362-1
- Publication
- Species Plantarum. Editio Quarta. Berolini [Berlin]
- Collation
- 1(2): 961
- Date of Publication
- Jul 1798
- Family as entered in IPNI
- Rubiaceae