Achillea millefolium
yarrow
Asteraceae, the aster family
Coefficient of Conservatism=1
Photo taken June 22, 2013 at the OSU-Marion Prairfie by Bob Klips.
Yarrow is a perennial aromatic herb with alternately arranged, very dissected, leaves. In T. Richard Fisher’s The Dicotyledoneae of Ohio Part 3: Asteraceae (1988; The Ohio State University Press) this species is described as “A native of Europe and Asia, well-established in Ohio as a weed in waste places and disturbed sites. June-Oct.” However the Ohio FQAI (Floristic Quality Assesment Index) (Link) depicts it as being native.
Wikipedia (link) tells us that “The genus was named after the Greek mythological character Achilles, whose soldiers were said to have used yarrow to treat their wounds;[5] this is reflected by common names such as allheal and bloodwort. The genus is native primarily to Eurasia and North America.”
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