Lysimachia maritima
Sea-milkwort
Lysimachia nemorum
Yellow Pimpernel
Lysimachia nummularia
Creeping-Jenny
Lysimachia punctata
Dotted Loosestrife
Lysimachia tenella
Bog Pimpernel
Lysimachia vulgaris
Yellow Loosestrife
Lythrum salicaria
Purple-loosestrife
Malus domestica
Apple
Malus sylvestris
Crab Apple
Malva moschata
Musk-mallow
Malva sylvestris
Common Mallow
Marrubium vulgare
White Horehound
Medicago sativa
Lucerne
Melica nutans
Mountain Melick
Melica uniflora
Wood Melick
Melittis melissophyllum
Bastard Balm
Mentha aquatica
Water Mint
Mentha arvensis
Corn Mint
Mentha pulegium
Pennyroyal
Menyanthes trifoliata
Bogbean
Mercurialis perennis
Dog's Mercury
Meum athamanticum
Spignel
Micranthes stellaris
Starry Saxifrage
Minuartia recurva
Recurved Sandwort
Molinia caerulea
Purple Moor-grass
Muscari neglectum
Grape-hyacinth
Mycelis muralis
Wall Lettuce
Myosotis alpestris
Alpine Forget-me-not
Myosotis scorpioides
Water Forget-me-not
Myosotis secunda
Creeping Forget-me-not
Myosotis sylvatica
Wood Forget-me-not
Myrica gale
Bog-myrtle
Myriophyllum alterniflorum
Alternate Water-milfoil
Myriophyllum aquaticum
Parrot's-feather
Myriophyllum spicatum
Spiked Water-milfoil
Myrrhis odorata
Sweet Cicely
Narcissus pseudonarcissus
Daffodil
Nardus stricta
Mat-grass
Narthecium ossifragum
Bog Asphodel
Nasturtium officinale
Water-cress
Neottia cordata
Lesser Twayblade
Neottia nidus-avis
Bird's-nest Orchid
Neottia ovata
Common Twayblade
Noccaea caerulescens
Alpine Penny-cress
Nuphar lutea
Yellow Water-lily
Nymphaea alba
White Water-lily
Nymphoides peltata
Fringed Water-lily
Oenanthe crocata
Hemlock Water-dropwort
Oenanthe fistulosa
Tubular Water-dropwort
Oenanthe lachenalii
Parsley Water-dropwort
Oenanthe pimpinelloides
Corky-fruited Water-dropwort
Oenanthe silaifolia
Narrow-leaved Water-dropwort
Onobrychis viciifolia
Sainfoin
Ononis repens
Common Restharrow
Ononis spinosa
Spiny Restharrow
Ophioglossum azoricum
Small Adder's-tongue
Ophioglossum vulgatum
Adder's-tongue
Ophrys apifera
Bee Orchid
Ophrys fuciflora
Late Spider-orchid
Ophrys insectifera
Fly Orchid
Ophrys sphegodes
Early Spider-orchid
Orchis mascula
Early-purple Orchid
Orchis militaris
Military Orchid
Orchis purpurea
Lady Orchid
Orchis simia
Monkey Orchid
Oreopteris limbosperma
Lemon-scented Fern
Origanum vulgare
Wild Marjoram
Ornithogalum pyrenaicum
Spiked Star-of-Bethlehem
Ornithogalum umbellatum
Star-of-Bethlehem
Orobanche caryophyllacea
Bedstraw Broomrape