| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Tripleurospermum inodorum | Scentless Chamomille, Mayweed | Disturbed areas, railroad tracks, streets, urban waste areas, also as a ballast waif. | Native of Europe. Introduced at scattered locations in North America, such as AL, KY (?), MD (?), NJ, and PA. |  |
| Asteraceae | Tripleurospermum maritimum ssp. maritimum | Scentless Chamomille | Disturbed areas. | Native of Europe. Introduced at scattered locations in eastern North America. |