Plants by Scientific Name
[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]
| Ulmus americana | American elm | Native Plant |
| Urena lobata | Caesar's weed | Non-native Plant |
Urochloa mutica (syn. Brachiaria mutica)  |
para grass | Non-native Plant |
| Urochloa plantaginea (syn. Brachiaria plantaginea) | creeping signal grass | Non-native Plant |
| Utricularia gibba |
cone-spur bladderwort | Native Plant |
| Utricularia purpurea |
eastern purple bladderwort | Native Plant |
| Utricularia radiata | little floating bladderwort | Native Plant |
| Utricularia species |
bladderwort | Native Plant |
