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• n  ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America; sometimes included in genus Matricaria
• n  European white-flowered weed naturalized in North America

• scentless camomile
• scentless false camomile
• scentless mayweed
• scentless hayweed
• Tripleurospermum inodorum
• Matricaria inodorum
• corn chamomile
• field chamomile
• Anthemis arvensis