Orthilia secunda
Serrated Wintergreen
Osmunda regalis
Royal Fern
Oxalis acetosella
Wood-sorrel
Oxalis articulata
Pink-sorrel
Oxalis incarnata
Pale Pink-sorrel
Paeonia peregrina
Peony
Pancratium maritimum
Sea Daffodil
Papaver dubium
Long-headed Poppy
Papaver lecoqii
Yellow-juiced Poppy
Papaver pseudoorientale
Oriental Poppy
Papaver rhoeas
Common Poppy
Parentucellia viscosa
Yellow Bartsia
Parietaria judaica
Pellitory-of-the-wall
Paris quadrifolia
Herb-paris
Parnassia palustris
Grass-of-Parnassus
Passiflora caerulea
Blue Passionflower
Passiflora capsularis
Passion#Flower#(capsularis)
Pastinaca sativa
Wild Parsnip
Paulownia tomentosa
Foxglove-tree
Pedicularis foliosa
Leafy Lousewort
Pedicularis palustris
Marsh Lousewort
Pedicularis sylvatica
Lousewort
Pellia endiviifolia
Pellia spp.
