Hieracium rigidum Fr.
, Epicr. Gen. Hierac. 133 (1862).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:222453-1
- Publication
- Epicrisis Generis Hieraciorum. Upsala
- Collation
- 133
- Family as entered in IPNI
- Asteraceae