| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Convolvulaceae | Ipomoea cordatotriloba var. cordatotriloba | Coastal Morning-glory, Tie-vine | Dunes, sandy areas on barrier islands, other sandy habitats. | Se. NC south to s. FL, west to e. TX and AR; Mexico. Attribution of this species to South America are based on Ipomoea australis (Wood et al. 2020). |  |
| Convolvulaceae | Ipomoea cordatotriloba var. torreyana | Torrey's Morning-glory | Prairies, disturbed areas. | TX southwards into Mexico (CHH, NLE, TAM). |