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: Matricaria inodorum, scentless camomile, scentless false camomile, scentless hayweed, scentless mayweed, Tripleurospermum inodorum.

Polish: maruna nadmorska

European white-flowered weed naturalized in North America.

synonyms: Anthemis arvensis, corn chamomile, field chamomile.

Polish: rumian polny