Ranunculus auricomus
Goldilocks Buttercup
Ranunculus baudotii
Brackish Water-crowfoot
Ranunculus bulbosus
Bulbous Buttercup
Ranunculus flammula
Lesser Spearwort
Ranunculus fluitans
River Water-crowfoot
Ranunculus hederaceus
Ivy-leaved Crowfoot
Ranunculus lingua
Greater Spearwort
Ranunculus omiophyllus
Round-leaved Crowfoot
Ranunculus parviflorus
Small-flowered Buttercup
Ranunculus peltatus
Pond Water-crowfoot
Ranunculus repens
Creeping Buttercup
Ranunculus sceleratus
Celery-leaved Buttercup
Ranunculus trichophyllus
Thread-leaved Water-crowfoot
Raphanus raphanistrum
Sea Radish
Raphanus sativus
Garden Radish
Reseda lutea
Wild Mignonette
Reseda luteola
Weld
Rhinanthus angustifolius
Greater Yellow-rattle
Rhinanthus minor
Yellow-rattle
Rhizocarpon geographicum
Map Lichen
Rhododendron ponticum
Rhododendron
Rhynchospora alba
White Beak-sedge
Rhynchospora fusca
Brown Beak-sedge
Ribes rubrum
Red Currant