- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:330961-2
- Publication
- Flora of the Rocky Mountains . . .
- Collation
- 868
- Date of Publication
- 31 Dec 1917
- Family as entered in IPNI
- Asteraceae
Type Information
- Type Name
- S. speciosa Nuttall (cited as part of S. pallida (Porter) Rydberg)