| Latin Name | Common Name | Family | Synonyms | Edibility Rating | Medicinal Rating |
| Proboscidea fragrans | Sweet Unicorn Plant, Ram's horn | Martyniaceae | P. louisianica fragrans. (Lindl.)Bretting. Martynia fragrans | 2 | 0 |
| Proboscidea louisianica | Unicorn Plant, Ram's horn | Martyniaceae | P. louisiana. Martynia louisiana. | 2 | 0 |