| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Apocynaceae | Cynanchum laeve | Sandvine, Honeyvine, Bluevine | Bottomlands and disturbed areas. | Se. PA and KS south to sw. GA, Panhandle FL, and c. TX. The native vs. adventive portions of the distribution are difficult to determine; we here treat the distribution east of the Appalachians as likely introduced. |  |
| Apocynaceae | Cynanchum unifarium | Talayote | Scrubby thickets and forests, limestone woodlands. | Nc. and w. TX south through s. TX to s. Mexico. |  |