| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Apiaceae | Oenanthe aquatica | Aquatic in quiet waters. | Native of Europe west to w. Asia. |  (c) Лисицын, Павлик - CC-BY | |
| Apiaceae | Oenanthe javanica | Water Celery, Water Parsley, Java Dropwort, Seri | Edges of swamp forests, ditches, seemingly with the ability to spread rapidly. | Native of Asia. Reported for s. OH (Clermont County) (Becus & Vincent 2020). |  (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |