| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cucurbitaceae | Cyclanthera dissecta | Cutleaf Cyclanthera | Bottomlands, riparian areas. | Se. Texas (Austin, Brazoria, Brazos, Grimes, Victoria counties); sometimes reported also as occurring in s. Mexico (Chiapas). |  (c) Keith, Eric - CC-BY-NC, permission granted to NCBG |
| Cucurbitaceae | Cyclanthera naudiniana | Woodland Cyclanthera | Streamsides, rocky areas, roadsides, bottomlands, oak woodlands. | S. Nebraska and ne. Colorado south to c. Texas and New Mexico. |  (c) Cressler, Alan M. |