| NAME OF PLANT | WHERE FOUND | DATE | WHERE FOUND | DATE |
| Raphanus raphanistrum | ||||
| wild radish | ||||
| Reseda lutea | ||||
| wild mignonette | ||||
| Reseda luteola | ||||
| weld | ||||
| Rhamnus cathartica | ||||
| buckthorn | ||||
| Rhinanthus minor | ||||
| yellow-rattle | ||||
| Rhododendron ponticum | ||||
| rhododendron | ||||
| Rhynchospora alba | ||||
| white beak-sedge | ||||
| Ribes nigrum | ||||
| black currant | ||||
| Ribes rubrum | ||||
| red currant | ||||
| Ribes uva-cripsa | ||||
| gooseberry | ||||
| Rorippa amphibia | ||||
| greater yellow-cress | ||||
| Rorippa microphylla | ||||
| narrow-fruited water-cress | ||||
| Rorippa nasturtium-aquaticum | ||||
| water-cress | ||||
| Rorippa palustris | ||||
| marsh yellow-cress | ||||
| Rorippa sylvestris | ||||
| creeping yellow-cress | ||||
| Rosa arvensis | ||||
| field rose | ||||
| Rosa canina | ||||
| dog rose | ||||
| Rosa pimpinellifolia (spinosissima) | ||||
| burnet rose | ||||
| Rosa rubiginosa | ||||
| sweet briar | ||||
| Rosa sherardii | ||||
| Sherard's downy-rose | ||||
| 75 | ||||