Polygala calcarea
Chalk Milkwort
Polygala serpyllifolia
Heath Milkwort
Polygala vulgaris
Common Milkwort
Polygonatum multiflorum
Solomon's-seal
Polygonatum odoratum
Angular Solomon's-seal
Polygonatum x hybridum
Garden Solomon's-seal
Polygonum arenastrum
Equal-leaved Knotgrass
Polygonum aviculare
Knotgrass
Polygonum oxyspermum
Ray's Knotgrass
Polyommatus icarus
Common Blue
Polypodium cambricum
Southern Polypody
Polypodium interjectum
Intermediate Polypody
Polypodium vulgare
Polypody
Polypodium vulgare sens. lat.
Polypody
Polypogon viridis
Water Bent
Polyporus squamosus
Dryad's Saddle
Polystichum aculeatum
Hard Shield-fern
Polystichum lonchitis
Holly-fern
Polystichum setiferum
Soft Shield-fern
Polytrichum commune
Common haircap
Polytrichum juniperinum
Juniper Haircap
Polytrichum piliferum
Populus nigra
Black-poplar
Populus tremula
Aspen