Checklist » Asteraceae » Achillea millefolium
Last updated 12/1/2008 by David Giblin.
Achillea millefolium L.[FNA19, HC, HC2]
milfoil, yarrow

Publication: Sp. Pl. 2: 899. 1753.

Origin: Both native and introduced populations

selected vouchers: WTU

Notes: The varietal taxonomy is complicated by polyploids, ecotypes and ecoclines, here we follow Stace (1997) and Chambers and Sundberg (2000) in not recognizing the numerous intergrading morphologies

References: (none)

Synonyms & Misapplied Names:
Achillea borealis Bong.
Achillea lanulosa Nutt. var. eradiata (Piper) M. Peck
Achillea lanulosa Nutt. var. lanulosa
Achillea millefolium L. ssp. lanulosa (Nutt.) Piper[HC]
Achillea millefolium L. var. alpicola (Rydb.) Garrett[HC]
Achillea millefolium L. var. borealis (Bong.) Farw.
Achillea millefolium L. var. californica (Pollard) Jeps.[HC]
Achillea millefolium L. var. lanulosa (Nutt.) Piper[HC]
Achillea millefolium L. var. litoralis Ehrendorfer ex Nobs
Achillea millefolium L. var. millefolium
Achillea millefolium L. var. occidentalis DC.
Achillea millefolium L. var. pacifica (Rydb.) G.N. Jones