Vascular Plants of North Carolina
Account for American Yarrow - Achillea gracilis   Rafinesque
Members of Asteraceae:
Only member of Achillea in NC.
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Section 6 » Family Asteraceae
AuthorRafinesque
DistributionThroughout the state. Common Yarrow is one of our most widely distributed plant species, but is scarce in poor sandy soils.

Throughout North America, and into Mexico.
AbundanceCommon to locally abundant.
HabitatMostly disturbed sites, such as dry to mesic roadsides, yards, fields, cultivated ground, pastures, and waste places. Also in more natural sites, such as rock outcrops, grassy balds, and woodland openings.
PhenologyFlowering and fruiting April-October.
IdentificationNo doubt familiar to most naturalists, Common Yarrow stems are mostly 1-2 feet tall, with a terminal, flattish, white inflorescence and alternate, 2-3 times pinnately dissected leaves. The leaves are cut into a pattern that is unique in our flora, even finer than in nearly all ferns, more like a green bird feather.
Taxonomic CommentsThe Achillea millefolium complex is distributed throughout the Northern Hemisphere and has resisted attempts to classify it. Weakley (2018) cites a 2009 publication that splits off North American plants and we follow his lead. Though most references consider the species as a non-native one in most of the East, Weakley (2018, 2020) and others consider it native. Apparently the earliest name for the native entity is A. gracilis Rafinesque; Weakley (2022) now uses this name, instead of A. borealis.

Other Common Name(s)Common Yarrow, Boreal Yarrow
State RankS5
Global RankG5
State Status
US Status
USACE-agcp
USACE-emp
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B.A. SorriePiedmont, roadside. 17 May 2015. MoorePhoto_natural