Pulsatilla vulgaris
Pasqueflower
Pyrola minor
Common Wintergreen
Pyrola rotundifolia
Round-leaved Wintergreen
Pyrrosia piloselloides
Dragon Scale Fern
Pyrus communis
Pear
Pyrus pyraster
Wild Pear
Quercus cerris
Turkey Oak
Quercus petraea
Sessile Oak
Quercus rubra
Red Oak
Quercus spp.
Oak
Ramonda myconi
Pyrenean-violet
Rana temporaria
Common Frog
Ranunculus acris
Meadow Buttercup
Ranunculus aquatilis
Common Water-crowfoot
Ranunculus auricomus
Goldilocks Buttercup
Ranunculus baudotii
Brackish Water-crowfoot
Ranunculus bulbosus
Bulbous Buttercup
Ranunculus fluitans
River Water-crowfoot
Ranunculus hederaceus
Ivy-leaved Crowfoot
Ranunculus lingua
Greater Spearwort
Ranunculus omiophyllus
Round-leaved Crowfoot
Ranunculus peltatus
Pond Water-crowfoot
Ranunculus sardous
Hairy Buttercup
Ranunculus sceleratus
Celery-leaved Buttercup
Ranunculus trichophyllus
Thread-leaved Water-crowfoot
Raphanus raphanistrum
Sea Radish
Ravenala madagascariensis
East-West Palm
Reseda lutea
Wild Mignonette
Reseda luteola
Weld
Reynoutria japonica
Japanese Knotweed
Rhamnus cathartica
Buckthorn
Rhinanthus minor
Yellow-rattle
Rhodiola rosea
Roseroot
Rhynchospora alba
White Beak-sedge
Ribes sanguineum
Flowering Currant
Riccia beyrichiana
Purple Crystalwort
Riccia nigrella
Black Crystalwort
Romulea columnae
Sand Crocus
Rorippa palustris
Marsh Yellow-cress
Rosa arvensis
Field-rose
Rosa canina
Dog-rose
Rosa canina agg
Dog-rose
Rosa multiflora
Many-flowered Rose
Rosa sherardii
Sherard's Downy-rose
Rubia peregrina
Wild Madder
Rubus caesius
Dewberry
Rubus scissus
Rubus sp
Rubus ulmifolius
Rubus vestitus
Rumex acetosella
Sheep's Sorrel
Rumex crispus
Curled Dock
Rumex maritimus
Golden Dock
Rumex obtusifolius
Broad-leaved Dock
Rumex palustris
Marsh Dock
Sabulina verna
Spring Sandwort
Sagina procumbens
Procumbent Pearlwort
Sagittaria sagittifolia
Arrowhead
Salix aurita
Eared Willow
Salix herbacea
Dwarf Willow
Salix pentandra
Bay Willow
Salix repens
Creeping Willow
Salix x meyeriana
Shiny-leaved Willow
Salsola kali
Prickly Saltwort
Salvia pratensis
Meadow Clary
Samanea saman
Raintree
Sambucus canadensis
American Elderberry
Sambucus ebulus
Dwarf Elder
Samolus valerandi
Brookweed
Sanguisorba officinalis
Great Burnet