- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:2331-2
- Publication
- North American Flora. New York Botanical Garden
- Collation
- 34(3): 221
- Date of Publication
- 29 Dec 1916
- Family as entered in IPNI
- Asteraceae
Links
- Nomenclatural link
- Achillea millefolium var. nigrescens E.Mey., Pl. Labrador. 65 (1830).
- Same citation as
- Achillea nigrescens Rydb., N. Amer. Fl. 34(3): 221 (1916).
- Same citation as
- Achillea nigrescens (E.Mey.) Rydb.