Pedicularis palustris
Marsh Lousewort
Pedicularis sylvatica
Lousewort
Penstemon sp.
Penstemon
Pentaglottis sempervirens
Green Alkanet
Pereskia aculeata
Barbados Gooseberry
Persicaria amphibia
Amphibious Bistort
Persicaria hydropiper
Water-pepper
Persicaria lapathifolia
Pale Persicaria
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
Petrosedum forsterianum
Rock Stonecrop
Petrosedum rupestre
Reflexed Stonecrop
Peziza spp.
Phalaris arundinacea
Reed Canary-grass
Phalaris canariensis
Canary-grass
Phanera kockiana
Orange Bauhinia
Phedimus spurius
Caucasian-stonecrop
Phegopteris connectilis
Beech Fern
Phelipanche purpurea
Yarrow Broomrape
Philadelphus
Double Mock-orange
Philodendron bipinnatifidum
Split-leaf Philodendron
Philodendron burle-marxii
Burle Marx's Philodendron
Philodendron erebuscens
Blushing Philodendron
Philodendron martianum
Pacová
Phleum arenarium
Sand Cat's-tail
Phleum pratense
Timothy
Phlomis russeliana
Turkish Sage
Phoenix dactylifera
Date Palm
Phormium cookianum
Lesser New Zealand Flax
Phuopsis stylosa
Caucasian Crosswort
Phyllanthus urinaria
Chamber Bitter
Physoplexis comosa
Tufted Horned Rampion
Phyteuma nigrum
Black Rampion
Picea breweriana
Brewer Spruce
Picea koyamai
Kotama's Spruce
Picea sitchensis
Sitka Spruce
Picea smithiana
Morinda Spruce
Picris hieracioides
Hawkweed Oxtongue
Pieris formosa
Pilea cadierei
Aluminium Plant
Pilea nummulariifolia
Creeping Charlie
Pilosella aurantiaca
Fox-and-cubs
Pilosella officinarum
Mouse-ear-hawkweed
Pilularia globulifera
Pillwort
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
Plagiogyria glauca
Blue Plagiogyria
Plagiomnium undulatum
Hart’s-tongue Thyme-moss
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 chlorantha and bifolia