Definition of 'corn mayweed'

Noun

1. ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America; sometimes included in genus Matricaria
      Synonyms: scentless camomile scentless false camomile scentless mayweed scentless hayweed Tripleurospermum inodorum Matricaria inodorum
2. European white-flowered weed naturalized in North America
      Synonyms: corn chamomile field chamomile Anthemis arvensis

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