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Mayweed, Stinking Chamomile, Dog Fennel - Anthemis cotula


Family: Asteraceae - Aster family Genus Common Name: Mayweed Native Status: IntroducedDicot Annual Herb
Anthemis cotula - Mayweed, Stinking Chamomile, Dog Fennel. Anthemis cotula is an introduced species which is now found in every state in the United States in in most of Canada. It can be invasive, and is officially listed as a noxious weed in Colorado and Nevada.

Found in:
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
Anthemis cotula

Distribution of Anthemis cotula in the United States and Canada:
USDA Map temporarily unavailable.
Blue=Native; Grey=Introduced

Map from USDA Plants Database:
USDA, NRCS. 2017. The PLANTS Database (http://plants.usda.gov, 16 Jan 2025). National Plant Data Team, Greensboro, NC 27401-4901 USA.

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Site: GSMNP Date: 2005-June-18Photographer: Gerald C Williamson
Near Newfound Gap in the Smokies. Similar to Oxeye Daisy but Mayweed has fewer petals (ray flowers), and the petals in Mayweed are notched.
Anthemis cotula
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Anthemis cotula initially published on USWildflowers.com 2008-12-31; Updated 2015-06-24

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