External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77164178-1
- Publication
- Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin
- Collation
- 1888: 114
- Date of Publication
- 19 Jun 1888
- Family as entered in IPNI
- Rubiaceae