Rhododendron racemosum
Rhynchospora alba
White Beak-sedge
Ribes rubrum
Red Currant
Ribes sanguineum
Flowering Currant
Ribes uva-crispa
Gooseberry
Romulea columnae
Sand Crocus
Rorippa islandica
Northern Yellow-cress
Rorippa palustris
Marsh Yellow-cress
Rorippa sylvestris
Creeping Yellow-cress
Rosa arvensis
Field-rose
Rosa caesia
Hairy Dog-rose
Rosa canina
Dog-rose
Rosa canina agg
Dog-rose
Rosa multiflora
Many-flowered Rose
Rosa rubiginosa
Sweet-briar
Rosa rugosa
Japanese Rose
Rosa sherardii
Sherard's Downy-rose
Rosa sp.
Rosa spinosissima
Burnet Rose
Rosa stylosa
Short-styled Field-rose
Rose, Albertine
Albertine Rose
Rosmarinus officinalis
Rosemary
Rubia peregrina
Wild Madder
Rubus aquarum