External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:30026463-2
- Publication
- Bulletin of the Torrey Botanical Club. New York
- Collation
- 40(8): 412
- Date of Publication
- 13 Aug 1913
- Family as entered in IPNI
- Scrophulariaceae