External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:240687-2
- Publication
- Manual of the Flora of the northern States and Canada
- Collation
- 462
- Family as entered in IPNI
- Brassicaceae
Remarks
Britton (preface iv) acknowledged Rydberg's assistance for this 1910 publication.