fleurs
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Rosier Millénaire de Hildesheim | Aliment | 11 | 1.6 |
| Rossioglossum | Taxon | 15 | 0.2 |
| Rosularia Radicosa | Taxon | 5 | 0.1 |
| Rourea | Taxon | 13 | 0.1 |
| Rourea Frutescens | Taxon | 7 | 0.1 |
| Rousseaceae | Taxon | 27 | 0.5 |
| Rubiaceae | Taxon | 80 | 29.6 |
| Rubiales | Taxon | 15 | 1.1 |
| Ruehssia Cundurango | Taxon | 5 | 0.0 |
| Ruellia | Taxon | 30 | 3.3 |
| Ruellia Brevifolia | Taxon | 11 | 0.7 |
| Ruellia Chartacea | Taxon | 8 | 0.3 |
| Ruellia Devosiana | Taxon | 9 | 0.2 |
| Ruellia Elegans | Taxon | 11 | 0.3 |
| Ruellia Geminiflora | Taxon | 10 | 0.4 |
| Ruellia Makoyana | Taxon | 7 | 0.3 |
| Ruellia Rubra | Taxon | 6 | 0.1 |
| Ruellia Schnellii | Taxon | 4 | 0.0 |
| Ruellia Simplex | Taxon | 16 | 4.0 |
| Ruellia Tuberosa | Taxon | 23 | 2.0 |
| Ruellia Violacea | Taxon | 6 | 0.2 |
| Ruellieae | Taxon | 10 | 0.0 |
| Ruelliinae | Taxon | 7 | 0.0 |
| Rungia | Taxon | 14 | 0.3 |
| Rungia Caespitosa | Taxon | 4 | 0.0 |
| Rungia Camerunensis | Taxon | 4 | 0.0 |
| Rupicapnos Numidica | Taxon | 5 | 0.3 |
| Ruppia | Taxon | 30 | 1.0 |
| Ruppia Maritima | Taxon | 30 | 1.5 |
| Ruscaceae | Taxon | 16 | 2.6 |
| Ruschia | Taxon | 13 | 0.6 |
| Ruschianthemum | Taxon | 4 | 0.0 |
| Ruschianthus | Taxon | 7 | 0.2 |
| Russelia | Taxon | 21 | 0.0 |
| Russelia Equisetiformis | Taxon | 17 | 3.2 |
| Russelieae | Taxon | 5 | 0.0 |
| Rutaceae | Taxon | 77 | 47.1 |
| Ruyschia | Taxon | 14 | 0.0 |
| Réséda | Taxon | 47 | 51.4 |
| Réséda Raiponce | Taxon | 18 | 2.1 |
| Saba | Taxon | 14 | 0.3 |
| Saba Comorensis | Taxon | 11 | 1.9 |
| Saba Senegalensis | Taxon | 16 | 48.8 |
| Sabaudiella | Taxon | 3 | 0.0 |
| Sabiales | Taxon | 5 | 0.3 |
| Sabline D'espagne | Taxon | 9 | 0.5 |
| Sabline de Provence | Taxon | 7 | 3.1 |
| Sabot de Vénus | Taxon | 56 | 43.4 |
| Saccifoliaceae | Taxon | 5 | 0.0 |
| Saccolabium | Taxon | 17 | 0.2 |