External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:65699-2
- Publication
- Contributions from the Gray Herbarium of Harvard University. Cambridge, MA
- Collation
- 59: 38
- Date of Publication
- 30 Sep 1919
- Family as entered in IPNI
- Scrophulariaceae