• Species and lower taxa
• Higher taxa
• Common names

Ranunculus acris

Ranunculus aquatilis

Ranunculus auricomus

Ranunculus baudotii

Ranunculus bulbosus

Ranunculus ficaria

Ranunculus flammula

Ranunculus hederaceus

Ranunculus lingua

Ranunculus parviflorus

Ranunculus peltatus

Ranunculus peltatus subsp. pseudofluitans – synonym of Ranunculus penicillatus

Ranunculus penicillatus

Ranunculus repens

Ranunculus sceleratus

Ranunculus trichophyllus

Raphanus raphanistrum

Reseda luteola

Reynoutria japonica – synonym of Fallopia japonica

Rhamnus cathartica

Rhinanthus minor

Rhodiola rosea – synonym of Sedum rosea

Rhododendron ponticum

Ribes nigrum

Ribes uva-crispa

Rorippa amphibia

Rorippa islandica

Rorippa microphylla

Rorippa nasturtium-aquaticum

Rorippa palustris

Rorippa sylvestris

Rosa arvensis

Rosa canina

Rosa pimpinellifolia

Rosa rubiginosa

Rosa sherardii

Rubia peregrina

Rubus caesius

Rubus fruticosus

Rubus idaeus

Rubus saxatilis

Rumex acetosa

Rumex acetosella

Rumex conglomeratus

Rumex crispus

Rumex hydrolapathum

Rumex obtusifolius

Rumex sanguineus

Ruppia cirrhosa

Ruppia maritima – synonym of Ruppia cirrhosa

Ruppia maritima

Ruppia maritima subsp. spiralis – synonym of Ruppia cirrhosa

Ruppia rostellata – synonym of Ruppia maritima

Ruppia spiralis – synonym of Ruppia cirrhosa