1. (noun) ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America; sometimes included in genus Matricaria

• matricaria inodorum
• scentless camomile
• scentless false camomile
• scentless hayweed
• scentless mayweed
• tripleurospermum inodorum

2. (noun) European white-flowered weed naturalized in North America

• anthemis arvensis
• corn chamomile
• field chamomile

1. (noun) ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America; sometimes included in genus Matricaria

• genus tripleurospermum
• tripleurospermum

2. (noun) European white-flowered weed naturalized in North America

• anthemis
• genus anthemis

1. (noun) ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America; sometimes included in genus Matricaria

• herb
• herbaceous plant

2. (noun) European white-flowered weed naturalized in North America

• composite
• composite plant