External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:4729-1
- Publication
- Transactions of the Linnean Society of London. Botany. London
- Collation
- 1(1): 30, t. 8
- Date of Publication
- 1880 publ. Jul 1875
- Family as entered in IPNI
- Boraginaceae