External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1047130-2
- Family as entered in IPNI
- Asteraceae
Links
- Nomenclatural link
- Machaeranthera attenuata Howell, Fl. N.W. Amer. [Howell] 1: 314 (1900).