External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1197195-2
- Publication
- Phytologia; Designed to Expedite Botanical Publication. New York
- Collation
- 85(1): 20
- Date of Publication
- Oct 1999
- Family as entered in IPNI
- Asteraceae
Remarks
[Gandhi 8 Nov 1999] Basionym refereence cited as Torrey & Gray ex Torrey in Emory, Mexican Boundary Survey 143. 1848.