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

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

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

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