Oxalis incarnata
Pale Pink-sorrel
Oxybasis glauca
Oak-leaved Goosefoot
Oxybasis rubra
Red Goosefoot
Panaeolina foenisecii
Brown Mottlegill
Panaeolus papilionaceus
Petticoat Mottlegill
Pancratium maritimum
Sea Daffodil
Papaver cambricum
Welsh Poppy
Papaver dubium
Long-headed 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
Pastinaca sativa
Wild Parsnip
Pedicularis palustris
Marsh Lousewort
Pedicularis sylvatica
Lousewort
Pellia endiviifolia
Pellia spp.
Peltigera collina
Dog Lichen
Peltigera horizontalis
Dog Lichen
Peltigera spp.
Dog Lichen
Pentaglottis sempervirens
Green Alkanet