Myosotis ramosissima
Early Forget-me-not
Myosotis scorpioides
Water Forget-me-not
Myosotis sylvatica
Wood Forget-me-not
Myriophyllum alterniflorum
Alternate Water-milfoil
Myriophyllum spicatum
Spiked Water-milfoil
Myrrhis odorata
Sweet Cicely
Narcissus hispanicus
Spanish Daffodil
Narcissus minor
Lesser Daffodil
Narcissus nobilis
Large-flowered Daffodil
Narcissus pseudonarcissus
Daffodil
Narcissus x cyclazetta
Head-to-head Daffodil
Nardus stricta
Mat-grass
Narthecium ossifragum
Bog Asphodel
Neottia nidus-avis
Bird's-nest Orchid
Neottia ovata
Common Twayblade
Nicandra physalodes
Apple-of-Peru
Nonea lutea
Yellow Nonea
Nuphar lutea
Yellow Water-lily
Nymphoides peltata
Fringed Water-lily
Oenanthe crocata
Hemlock Water-dropwort
Oenanthe fistulosa
Tubular Water-dropwort
Omphalina ericetorum
Ononis repens
Common Restharrow
Ophioglossum vulgatum
Adder's-tongue
Ophrys apifera
Bee Orchid
Orchis mascula
Early-purple Orchid
Oreopteris limbosperma
Lemon-scented Fern
Orobanche hederae
Ivy Broomrape
Orobanche rapum-genistae
Greater Broomrape
Orthilia secunda
Serrated Wintergreen
Osmunda regalis
Royal Fern
Oxalis acetosella
Wood-sorrel
Oxybasis rubra
Red Goosefoot
Papaver cambricum
Welsh Poppy
Pararge aegeria
Speckled Wood
Parietaria judaica
Pellitory-of-the-wall
Paris quadrifolia
Herb-paris
Pedicularis palustris
Marsh Lousewort
Pedicularis sylvatica
Lousewort
Pellia spp.
Persicaria amphibia
Amphibious Bistort
Persicaria hydropiper
Water-pepper
Persicaria lapathifolia
Pale Persicaria
Persicaria maculosa
Redshank
Persicaria minor
Small Water-pepper
Persicaria mitis
Tasteless Water-pepper
Petasites hybridus
Butterbur
Petasites japonicus
Giant Butterbur
Petasites pyrenaicus
Winter Heliotrope
Petrosedum forsterianum
Rock Stonecrop
Peziza spp.
Phalaris arundinacea
Reed Canary-grass
Phegopteris connectilis
Beech Fern
Philadelphus coronarius
Mock-orange
Phleum bertolonii
Smaller Cat's-tail
Phleum pratense
Timothy
Pholiota squarrosa
Shaggy Scalycap
Phragmites australis
Common Reed
Phymatosorus scolopendria
Monarh Fern
Picea abies
Norway Spruce
Picris hieracioides
Hawkweed Oxtongue
Pilosella officinarum
Mouse-ear-hawkweed
Pilularia globulifera
Pillwort
Pimpinella saxifraga
Burnet-saxifrage
Pinguicula vulgaris
Common Butterwort
Pinus sylvestris
Scots Pine
Plagiomnium undulatum
Hart’s-tongue Thyme-moss
Plantago coronopus
Buck's-horn Plantain
Plantago lanceolata
Ribwort Plantain
Plantago major
Greater Plantain (subspecies intermedia)