Ornithogalum nutans
Drooping Star-of-Bethlehem
Ornithogalum pyrenaicum
Spiked Star-of-Bethlehem
Ornithogalum umbellatum
Star-of-Bethlehem
Ornithopus perpusillus
Bird's-foot
Orobanche caryophyllacea
Bedstraw Broomrape
Orobanche hederae
Ivy Broomrape
Orobanche minor
Common Broomrape
Orobanche picridis
Oxtongue Broomrape
Orobanche purpurea
Yarrow Broomrape
Orobanche rapum-genistae
Greater Broomrape
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