Pilosella officinarum
Mouse-ear-hawkweed
Pimpinella saxifraga
Burnet-saxifrage
Pinguicula lusitanica
Pale Butterwort
Pinguicula vulgaris
Common Butterwort
Pinus sylvestris
Scots Pine
Pisum sativum
Garden Pea
Plantago coronopus
Buck's-horn Plantain
Plantago lanceolata
Ribwort Plantain
Plantago major
Greater Plantain (subspecies intermedia)
Plantago maritima
Sea Plantain
Platanthera bifolia
Lesser Butterfly-orchid
Platanthera chlorantha
Greater Butterfly-orchid
Platanthera chlorantha and bifolia
Butterfly orchids
Poa annua
Annual Meadow-grass
Poa compressa
Flattened Meadow-grass
Poa humilis
Spreading Meadow-grass
Polygala serpyllifolia
Heath Milkwort
Polygala vulgaris
Common Milkwort
Polygonatum odoratum
Angular Solomon's-seal
Polygonatum x hybridum
Garden Solomon's-seal
Populus nigra
Black-poplar
Populus tremula
Aspen
Potamogeton lucens
Shining Pondweed
Potamogeton polygonifolius
Bog Pondweed