Oxalis acetosella
Wood-sorrel
Oxalis incarnata
Pale Pink-sorrel
Oxybasis rubra
Red Goosefoot
Palhinhaea cernua
Staghorn Clubmoss
Panaeolus papilionaceus
Petticoat Mottlegill
Pancratium maritimum
Sea Daffodil
Panicum trichanthum
Thicket Panic Grass
Papaver cambricum
Welsh Poppy
Papaver lecoqii
Yellow-juiced Poppy
Papaver rhoeas
Common Poppy
Pararge aegeria
Speckled Wood
Parentucellia viscosa
Yellow Bartsia
Parietaria judaica
Pellitory-of-the-wall
Paris quadrifolia
Herb-paris
Parnassia palustris
Grass-of-Parnassus
Passiflora capsularis
Passion#Flower#(capsularis)
Passiflora foetida
Stinking Passionflower
Pastinaca sativa
Wild Parsnip
Paulownia tomentosa
Foxglove-tree
Pedicularis palustris
Marsh Lousewort
Pedicularis sylvatica
Lousewort
Pentaglottis sempervirens
Green Alkanet
Persicaria amphibia
Amphibious Bistort
Persicaria chinensis
Creeping Smartweed