Melilotus officinalis
Ribbed Melilot
Melittis melissophyllum
Bastard Balm
Mentha aquatica
Water Mint
Mentha arvensis
Corn Mint
Mentha pulegium
Pennyroyal
Mentha x piperita
Peppermint
Mentha x villosa
Apple-mint
Menyanthes trifoliata
Bogbean
Mercurialis annua
Annual Mercury
Mercurialis perennis
Dog's Mercury
Metasequoia glyptostroboides
Dawn Redwood
Meum athamanticum
Spignel
Mibora minima
Early Sand-grass
Micranthes stellaris
Starry Saxifrage
Microsorum punctatum
Fish-tail Fern
Minuartia recurva
Recurved Sandwort
Miscanthus sinensis
Chinese Silver Grass
Misopates calycinum
Pale Weasel's-snout
Misopates orontium
Weasel's-snout
Moehringia trinervia
Three-nerved Sandwort
Molinia caerulea
Purple Moor-grass
Monoon longifolium
False Ashoka
Montia fontana
Blinks
Morus nigra
Black Mulberry
Murraya paniculata
Orange Jasmine
Musa acuminata
Cavendish Banana
Mycelis muralis
Wall Lettuce
Myosotis alpestris
Alpine Forget-me-not
Myosotis arvensis
Field Forget-me-not
Myosotis discolor
Changing Forget-me-not
Myosotis laxa
Tufted Forget-me-not
Myosotis ramosissima
Early Forget-me-not
Myosotis scorpioides
Water Forget-me-not
Myosotis secunda
Creeping Forget-me-not
Myosotis stricta
Myosotis sylvatica
Wood Forget-me-not
Myosurus minimus
Mousetail
Myrica gale
Bog-myrtle
Myriophyllum alterniflorum
Alternate Water-milfoil
Myriophyllum aquaticum
Parrot's-feather
Myriophyllum spicatum
Spiked Water-milfoil
Myrrhis odorata
Sweet Cicely
Narcissus macrolobus
Pale-flowered Daffodil
Narcissus obvallaris
Tenby Daffodil
Narcissus pseudonarcissus
Daffodil
Narcissus x cyclazetta
Head-to-head Daffodil
Nardus stricta
Mat-grass
Narthecium ossifragum
Bog Asphodel
Nasturtium officinale
Water-cress
Neoregelia carolinae
Blushing Bromeliad
Neottia cordata
Lesser Twayblade
Neottia nidus-avis
Bird's-nest Orchid
Neottia ovata
Common Twayblade
Nepenthes spp.
Pitcherplant
Nepeta x faassenii
Garden Cat-mint
Nephrolepis cordifolia
Fishbone Fern
Nicandra physalodes
Apple-of-Peru
Noccaea caerulescens
Alpine Penny-cress
Nonea lutea
Yellow Nonea
Nothofagus alpina
Rauli
Nuphar lutea
Yellow Water-lily
Nymphaea alba
White Water-lily
Nymphaea capensis
Cape Blue Waterlily
Nymphaea lotus
Egyptian Lotus
Nymphaea x marliacea
Coloured Water-lily
Nymphoides peltata
Fringed Water-lily
Nypta fruticans
Nipa Palm
Ochrolechia parella
Crab-eye Lichen
Ocimum americanum
American Basil
Odontites vernus
Red Bartsia