Flower ID: IMG_0978.JPG-07-02-2017; IMG_0725.JPG-06-11-2017 Flower name (scientific): Achillea millefolium subsp. millefolium Linnaeus PY: 1753 Flower name (common): Common Yarrow Family name (common): Aster Family name (scientific): Asteraceae Scientific name origin: Genus: Named for the mythical Greek warrior Achilles. Legend has it that he used one of the species to treat battle wounds at the siege of Troy. Specific epithet: From the Latin: Thousand (mille) leaves (folium). For the finely divided fern-like leaf structure. Common name origin: Medieval (11th-16th centuries). Old English it was gearwe. First reference in the OED to the latter name is the year 725. With the modern spelling OED gives 1597 as the first use. Flower description: Size: About 0.25 inches (0.6 cm) Petal count: ray florets 5, typically 4 to 8, disc florets 10 to 20. Color: White, can also be pink-colored, which is uncommon. Other: Forms flower clusters around 2 to 4 inches (5 to 10 cm) wide. Flower tips are notched. Plant description: Erect forb. Size: Typically 8 to 40 inches (20 to 102 cm) Stem hairy: Variable, sparse to dense, hairs lanate to tomentose. Other: Leaf description: attachment is alternate, type is simple and lobed Size: Up to about 6 inches (15 cm) long. Color: Hairy: Variable Other: Fern-like leaf structure. Shape: leaf, oblong or lanceolate (FNA) Origin (native, introduced, invasive): A. millefolium var. occidentalis is Native and A. millefolium var. millefolium is introduced. Status (common, uncommon, threatened, rare): Common Bloom time (typical): July to October Cycle (annual, biennial, perennial): Perennial Habitat: Disturbed areas, fields, prairies, roadsides, sun or part shade, some moisture to wet. Fruit: Seed: Importance to wildlife: Polinated by bees, butterflies, and other insects. How to differentiate related subspecies: There are 5 other recognized subspecies of A. millefolium, but none occur in the USA. These subspecies are native to Europe, Northern Pakistan, Northern Iran, and Western Himalaya. None of the variety forms of A. millefolium are recognized by the FNA. They are treated as synonyms of A. millefolium. Ethnobotany: Used by a large number of Native American tribes for a wide variety of medical problems. See The Native American Ethnobotany Database - web site ref. 12 on the home page. Latitude: 44.795900 Longitude: -91.513648 Altitude: 283.50 Distribution: In Wisconsin: (Adams, Ashland, Barron, Bayfield, Brown, Buffalo, Burnett, Calumet, Chippewa, Clark, Columbia, Crawford, Dane, Dodge, Door, Douglas, Dunn, Eau Claire, Florence, Fond du Lac, Forest, Grant, Green, Green Lake, Iowa, Iron, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Lafayette, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pepin, Pierce, Polk, Portage, Price, Racine, Richland, Rock, Rusk, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, Wood) Click here for distribution map In US: (AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY) In Canada: (AB, BC, LB, MB, NB, NF, NS, NT, NU, ON, PE, QC, SK, YT) References: Debra K. Trock, In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico [Online]. 22+ vols. New York and Oxford. Vol. 19. http://floranorthamerica.org/Achillea_millefolium. Accessed [09-30-2021].