Persicaria maculosa
Redshank
Persicaria minor
Small Water-pepper
Persicaria mitis
Tasteless Water-pepper
Petasites hybridus
Butterbur
Petasites japonicus
Giant Butterbur
Petasites pyrenaicus
Winter Heliotrope
Petasites spurius
Petrorhagia prolifera
Proliferous Pink
Petrosedum forsterianum
Rock Stonecrop
Petrosedum rupestre
Reflexed Stonecrop
Petroselinum crispum
Garden Parsley
Phacelia tanacetifolia
Phacelia
Phanera kockiana
Orange Bauhinia
Phedimus kamtschaticus
Kamchatka Stonecrop
Phedimus spurius
Caucasian-stonecrop
Phelipanche purpurea
Yarrow Broomrape
Philadelphus
Double Mock-orange
Philadelphus coronarius
Mock-orange
Phlomis russeliana
Turkish Sage
Phuopsis stylosa
Caucasian Crosswort
Phyllanthus urinaria
Chamber Bitter
Physalis peruviana
Cape-gooseberry
Physoplexis comosa
Tufted Horned Rampion
Phyteuma nigrum
Black Rampion
Picris hieracioides
Hawkweed Oxtongue
Pieris formosa
Pieris japonica
Pieris
Pilea cadierei
Aluminium Plant
Pilea microphylla
Angeloweed
Pilea nummulariifolia
Creeping Charlie
Pilea spruceana
Silver Tree
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
Piper aduncum
Spiked Pepper
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
Platanus orientalis
Oriental Plane
Platanus x hispanica
London Plane
Platycodon grandiflorus
Balloon#Flower
Pleroma heteromallum
Silverleafed Princess Flower
Pleroma semidecandrum
Princess Flower
Pleroma urvilleaum
Glory Bush
Pluchea dioscoridis
Vimba
Pluchea indica
Indian Camphorweed
Plumbago auriculata
Cape Leadwort
Plumeria alba
Caterpillar Tree
Plumeria obtusa
Frangipani
Plumeria pudica
Bridal Bouquet
Plumeria rubra
Frangipani
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
Polygonum arenastrum
Equal-leaved Knotgrass
Polygonum aviculare
Knotgrass
Polygonum oxyspermum
Ray's Knotgrass
Polyscias fruticosa
Ming Aralia
Polyscias guilfoylei
Geranium Aralia