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
   "scentless hayweed often grows along roadsides and in waste places";
   - scentless camomile, scentless false camomile, scentless mayweed, corn mayweed, Tripleurospermum inodorum, Matricaria inodorum

Derived forms: scentless hayweeds

Type of: herb, herbaceous plant

Part of: genus Tripleurospermum, Tripleurospermum