Ranunculus Regnellidium Reussia Rhaphidophora beccarii Rhodobryum gigantea Rhynchospora albescens colorata Riccardia chamedryfolia multifida

Riccia fluitans Ricciocarpus natans Riella Rondonanthus Rorippa aquatica dubia Rotala anamika bailyana fimbriata indica kaserkodensis khaleeliana magenta malabarica malampuzhensis meenkulamensis mexicana occultiflora ramosior ritchiei rosae rotundifolia sahyadrica serpyllifolia species tulunadensis wallachi Ruppia