Silphium integrifolium var. asperrimum (Hook.) B.L.Turner
, Sida, Bot. Misc. 24: 6 (2003).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1025989-2
- Species Name
- Silphium integrifolium Michx., Fl. Bor.-Amer. (Michaux) 2: 146 (1803).
- Publication
- Sida, Botanical Miscellany. Dallas, TX
- Collation
- 24: 6
- Date of Publication
- 25 Apr 2003
- Family as entered in IPNI
- Asteraceae