Phormium cookianum
Lesser New Zealand Flax
Phuopsis stylosa
Caucasian Crosswort
Phyllanthus urinaria
Chamber Bitter
Physalis peruviana
Cape-gooseberry
Phyteuma nigrum
Black Rampion
Picea abies
Norway Spruce
Picea breweriana
Brewer Spruce
Picea koyamai
Kotama's Spruce
Picea omorika
Serbian Spruce
Picea sitchensis
Sitka Spruce
Picea smithiana
Morinda Spruce
Picris hieracioides
Hawkweed Oxtongue
Pieris formosa
Pieris japonica
Pieris
Pilea cadierei
Aluminium Plant
Pilea microphylla
Angeloweed
Pilea nummulariifolia
Creeping Charlie
Pilosella aurantiaca
Fox-and-cubs
Pilosella officinarum
Mouse-ear-hawkweed
Pimpinella saxifraga
Burnet-saxifrage
Pinguicula grandiflora
Large-flowered Butterwort
Pinguicula leptoceras
Pinguicula lusitanica
Pale Butterwort
Pinguicula vulgaris
Common Butterwort
Pinus muricata
Bishop Pine
Pinus nigra
Austrian Pine
Pinus radiata
Monterey Pine
Pinus sylvestris
Scots Pine
Piper aduncum
Spiked Pepper
Pistia stratiotes
Water Cabbage
Pithecellobium dulce
Manila Tamarind
Plantago coronopus
Buck's-horn Plantain
Plantago lanceolata
Ribwort Plantain
Plantago major
Greater Plantain
Plantago maritima
Sea Plantain
Plantago media
Hoary Plantain
Platanthera bifolia
Lesser Butterfly-orchid
Platanthera chlorantha
Greater Butterfly-orchid
Platanthera x hybrida
Platanus orientalis
Oriental Plane
Platanus x hispanica
London Plane
Platycodon grandiflorus
Balloon#Flower
Pleione formosana
Pleione
Pleroma heteromallum
Silverleafed Princess Flower
Pleroma semidecandrum
Princess Flower
Pleroma urvilleaum
Glory Bush
Pluchea dioscoridis
Vimba
Plumbago auriculata
Cape Leadwort
Plumeria alba
Caterpillar Tree
Plumeria obtusa
Frangipani
Plumeria pudica
Bridal Bouquet
Plumeria rubra
Frangipani
Podocarpus macrophyllus
Yew Plum Pine
Podranea ricasoliana
Pink Trumpet Vine
Polemonium caeruleum
Jacob's-ladder
Polemonium pauciflorum
Fewflower Jacob's-ladder
Polygala calcarea
Chalk Milkwort
Polygala fruticosa
Feather Dusters
Polygala serpyllifolia
Heath Milkwort
Polygala vulgaris
Common Milkwort
Polygonatum multiflorum
Solomon's-seal
Polygonatum odoratum
Angular Solomon's-seal
Polygonatum verticillatum
Whorled Solomon's-seal
Polygonatum x hybridum
Garden Solomon's-seal
Polygonum arenastrum
Equal-leaved Knotgrass
Polygonum aviculare
Knotgrass
Polygonum oxyspermum
Ray's Knotgrass
Polyscias fruticosa
Ming Aralia
Polyscias guilfoylei
Geranium Aralia
Pontederia crassipes
Water Hyacinth