External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:121436-1
- Publication
- Journal de Botanique, Rédigé par une Société di Botanistes. [Edited by Desvaux]. Paris
- Collation
- 1: 276 (guasumaefolia)
- Family as entered in IPNI
- Boraginaceae