Plantago lanceolata
Ribwort Plantain
Plantago major
Greater Plantain (subspecies intermedia)
Platanthera chlorantha
Greater Butterfly-orchid
Platanus x hispanica
London Plane
Poa trivialis
Rough Meadow-grass
Pogonatum aloides
Aloe Haircap
Polygala serpyllifolia
Heath Milkwort
Polygala vulgaris
Common Milkwort
Polygonatum odoratum
Angular Solomon's-seal
Polygonatum x hybridum
Garden Solomon's-seal
Polygonum depressum
Equal-leaved Knotgrass
Polyommatus icarus
Common Blue
Polypodium interjectum
Intermediate Polypody
Polypodium vulgare
Polypody
Polypogon viridis
Water Bent
Polystichum aculeatum
Hard Shield-fern
Polystichum setiferum
Soft Shield-fern
Populus nigra
Black-poplar
Populus tremula
Aspen
Potamogeton lucens
Shining Pondweed
Potamogeton natans
Broad-leaved Pondweed
Potamogeton polygonifolius
Bog Pondweed
Potentilla erecta
Tormentil
Poterium sanguisorba
Salad Burnet