*Tripleurospermum inodorum (Linnaeus) Schultz 'Bipontinus'. Phen: Jun-Sep. Hab: Disturbed areas, railroad tracks, streets, urban waste areas, also as a ballast waif. Dist: Native of Europe. Introduced at scattered locations in North America, such as AL, KY (?), MD (?), NJ, and PA.
Origin/Endemic status: Europe
Synonymy: = FNA19, Il, K4, Mi, NE, NY, Pa; = Matricaria maritima L. var. agrestis (Knaf) Wilmott – F; = Matricaria perforata Mérat; = Tripleurospermum maritimum (L.) W.D.J.Koch ssp. inodorum (L.) Appleq. – K3; = Tripleurospermum perforata (Mérat) M.Lainz – K1, Arriagada & Miller (1997); < Matricaria maritima L. – C, GrPl, Oh3