External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:36247-2
- Publication
- Synoptical Flora of North America. New York
- Collation
- 1(1): 141
- Date of Publication
- 10 Oct 1895
- Family as entered in IPNI
- Brassicaceae