| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Aristolochiaceae | Endodeca reticulata | Texas Turpentine-root, Texas Dutchman's-pipe | Sandy forests, woodlands, and bluffs. | AR and se. OK south to w. LA and e. TX. |  |
| Aristolochiaceae | Endodeca serpentaria | Turpentine-root, Virginia Snakeroot, Serpent Birthwort | Dry to mesic forests, perhaps more restricted to mesic situations over acidic substrate, ranging into drier situations over calcareous or mafic substrates. | CT and NY west to IL, MI, and MO, south to c. peninsular FL and TX. |  |