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]
| Ilex cassine | dahoon holly | Native Plant |
| Illicium floridanum | Florida anisetree | Native Plant |
Imperata cylindrica  |
cogongrass | Non-native Plant |
| Ipomoea aquatica |
water spinach | Non-native Plant |
| Ipomoea cordatotriloba | tievine | Native Plant |
| Ipomoea indica | oceanblue morning glory | Native Plant |
| Ipomoea quamoclit | cypress vine | Non-native Plant |
| Ipomopsis rubra | standing cypress | Native Plant |
| Iris pseudacorus | yellow flag | Non-native Plant |
| Iris virginica |
blue flag | Native Plant |
| Itea virginica | Virginia willow; Virginia sweetspire | Native Plant |
