External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77937-2
- Publication
- Pittonia; a Series of Papers Relating to Botany and Botanists. Berkeley, CA
- Collation
- 3(15): 123
- Date of Publication
- 16 Dec 1896
- Family as entered in IPNI
- Brassicaceae
Nomenclatural Notes
as 'douglassii'