External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:20001901-1
- Publication
- Sida; Contributions to Botany. Dallas; Fort Worth, TX
- Collation
- 19(3): 608 (2001)
- Family as entered in IPNI
- Rubiaceae