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Botanical Name
Rhynchospora wightiana
Rhynchostylis retusa
Ribes himalense
Ribes laciniatum
Richardia scabra
Ricinus communis
Rivea hypocrateriformis
Rivina humilis
Robinia pseudoacacia
Rondeletia odorata
Rorippa indica
Rorippa palustris
Rosa
Rosa
Rosa 'Happy Wanderer'
Rosa 'Summer Snow'
Rosa 'Yellow Doll'
Rosa brunonii
Rosa canina
Rosa chinensis 'Viridiflora'
Rosa gigantea macrocarpa
Rosa macrophylla
Rosa multiflora var. carnea
Rosa sericea
Rosa webbiana
Rosa x damascena
Roscoea alpina
Roscoea auriculata
Roscoea purpurea
Rostellularia crinita