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]
| Rhabdadenia biflora | mangrove rubber vine | Native Plant |
| Rhexia alifanus | savannah meadow-beauty | Native Plant |
| Rhexia mariana | pale meadow-beauty | Native Plant |
| Rhizophora mangle | red mangrove | Native Plant |
| Rhododendron austrinum | Florida flame azalea | Native Plant |
| Rhododendron chapmanii | Chapman's rhododendron | Native Plant |
| Rhodomyrtus tomentosa | downy rose myrtle | Non-native Plant |
| Rhynchelytrum repens (syn. Melinis repens) | natal grass | Non-native Plant |
| Rhynchospora colorata | star-rush, white-top sedge | Native Plant |
| Rhynchospora fascicularis | fascicled beaksedge | Native Plant |
Rhynchospora inundata  |
inundated beakrush | Native Plant |
| Rhynchospora nitens (syn. Psilocarya nitens) |
bald-rush | Native Plant |
| Rhynchospora species |
beakrushes, horned-rushes | Native Plant |
| Rhynchospora tracyi |
Tracy's beakrush | Native Plant |
| Richardia grandiflora | largeflower mexican clover | Non-native Plant |
| Ricinus communis | castor bean | Non-native Plant |
| Rivina humilis | rouge plant | Native Plant |
| Robinia pseudoacacia | black locust tree | Non-native Plant |
| Rosa laevigata | Cherokee rose | Non-native Plant |
| Rotala rotundifolia | roundleaf toothcup, dwarf rotala | Non-native Plant |
| Roystonea regia | Florida royal palm | Native Plant |
| Rubus argutus | sawtooth blackberry | Native Plant |
| Ruellia brittoniana (syn. R. tweediana) |
Britton's wild petunia | Non-native Plant |
| Ruellia caroliniensis | Carolina wild petunia | Native Plant |
