External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:255868-1
- Publication
- Flora of the Rocky Mountains . . .
- Collation
- 874
- Family as entered in IPNI
- Asteraceae
Original Data
- Remarks
- T. scapigera, var. ambigua, A. Gray
Links
- Duplicate citation of
- Townsendia ambigua Rydb., Fl. Rocky Mts. 874, 1067 (1917).