Achillea millefolium(redirected from Thousand-seal)
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|Noun||1.||Achillea millefolium - ubiquitous strong-scented mat-forming Eurasian herb of wasteland, hedgerow or pasture having narrow serrate leaves and small usually white florets; widely naturalized in North America|
achillea - any of several plants of the genus Achillea native to Europe and having small white flowers in flat-topped flower heads