Protea cynaroides
King Protea
Prunella vulgaris
Selfheal
Prunus avium
Wild Cherry
Prunus cerasifera
Cherry Plum
Prunus domestica
Wild Plum
Prunus laurocerasus
Cherry Laurel
Prunus padus
Bird Cherry
Prunus spinosa
Blackthorn
Pseuderanthemum grandiflorum
Blue Twilight
Pseuderanthemum maculatum
Ruspolia
Pseuderanthemum variabile
Pastel Flower
Pseudofumaria alba
Pale Corydalis
Pseudofumaria lutea
Yellow Corydalis
Pseudorchis albida
Small-white Orchid
Pseudotsuga menziesii
Douglas Fir
Psidium guajava
Common Guava
Pterocarpus indicus
Amboyna Wood
Pterospermum diversifolium
Bayok Tree
Pulicaria dysenterica
Common Fleabane
Pulmonaria officinalis
Lungwort
Pulsatilla alpina
Alpine Pasque#Flower
Pulsatilla pratensis
Small Pasque#Flower
Pulsatilla vulgaris
Pasqueflower
Pyracantha coccinea
Firethorn
Pyrola minor
Common Wintergreen
Pyrola rotundifolia
Round-leaved Wintergreen
Pyrus communis
Pear
Pyrus cordata
Plymouth Pear
Pyrus pyraster
Wild Pear
Quercus cerris
Turkey Oak
Quercus ilex
Evergreen Oak
Quercus petraea
Sessile Oak
Quercus robur
Pedunculate Oak
Quercus rubra
Red Oak
Quercus spp.
Oak
Quercus suber
Cork Oak
Quercus x rosacea
Radermachera yunnanensis
Ramonda myconi
Pyrenean-violet
Ranunculus acris
Meadow Buttercup
Ranunculus aquatilis
Common Water-crowfoot
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 penicillatus
Stream Water-crowfoot
Ranunculus repens
Creeping Buttercup
Ranunculus sardous
Hairy Buttercup
Ranunculus sceleratus
Celery-leaved Buttercup
Ranunculus trichophyllus
Thread-leaved Water-crowfoot
Raphanus raphanistrum
Radish
Raphanus sativus
Garden Radish
Ravenala madagascariensis
East-West Palm
Reseda lutea
Wild Mignonette
Reseda luteola
Weld
Reynoutria japonica
Japanese Knotweed
Rhamnus cathartica
Buckthorn
Rheum officinale
Tibetan Rhubarb
Rhinanthus alectorolophus
European Yellow-rattle
Rhinanthus angustifolius
Greater Yellow-rattle
Rhinanthus minor
Yellow-rattle
Rhipsalis salicornioides
Spice Cactus
Rhizophora mangle
Red Mangrove
Rhodiola rosea
Roseroot