| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Apiaceae | Limnosciadium pinnatum | Arkansas Dogshade, Tansy Dogshade | Pond margins, ditches. | S. IL, s. MO, and se. KS, south to wc. AL, MS, LA, and s. TX. |  |
| Apiaceae | Limnosciadium pumilum | Prairie Dogshade | Wet places. | AR and nc. TX south to s. LA and s. TX. |  |
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