| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Conoclinium betonicifolium | Betony-leaf Mistflower | Brackish marshes. | Se. TX to s. TX. |  |
| Asteraceae | Conoclinium coelestinum | Mistflower, Ageratum | Streambanks, moist to wet disturbed areas, especially ditches, probably more common than formerly. | NJ west to IL, c. MO, se. KS, and OK, south to s. FL and c. TX; also in Cuba, and scattered farther north (as in NY, n. OH, and n. IN) probably as escapes from cultivation. |  |
| Asteraceae | Conoclinium dichotomum | Chapman's Mistflower, Florida Mistflower | Moist open areas, ditches. | Peninsular FL and scattered along the Gulf Coast; possibly Cuba. |