The noun has 2 meanings:
Meaning #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
Meaning #2:
European white-flowered weed naturalized in North America
Synonyms: corn chamomile, field chamomile, Anthemis arvensis
