Adderstongue	Ophioglossum vulgatum
Agrimony, common	Agrimonia eupatoria
Agrimony, fragrant	Agrimonia procera
Alder	Alnus glutinosa
Alder Buckthorn	Frangula alnus
Angelica	Angelica sylvestris
Ash	Fraxinus excelsior
Aspen	Populus tremula
Avens, hybrid	Geum sp.
Avens, water	Geum rivale
Avens, wood	Geum urbanum
Balsam, Himalayan	Impatiens glandulifera
Balsam, yellow	Impatiens noli-tangere
Baneberry	Actaea spicata
Barberry	Berberis vulgaris
Bedstraw, fen	Galium uliginosum
Bedstraw, heath	Galium saxatile
Bedstraw, hedge	Galium mollugo
Bedstraw, ladys	Galium verum
Bedstraw, marsh	Galium palustre
Beech	Fagus sylvatica
Bell heather	Erica cinerea
Bellflower, greater	Campanula latifolia
Betony	Stachys officinalis
Bilberry	Vaccinium myrtillus
Bindweed, black	Fallopia convolvulus
Bindweed, field	Convolvulus arvensis
Bindweed, hedge	Calystegia speium
Bindweed, large	Calystegia sylvatica
Birch, downy	Betula pubescens
Birch, silver	Betula pendula
Bird cherry	Prunus padus
Birdsfoot trefoil, common	Lotus corniculatus
Birdsfoot trefoil, greater	Lotus pedunculatus
Bistort, amphibious	Persicaria amphibia
Bistort, common	Persicaria bistorta
Bittercress, hairy	Cardamine hirsuta
Bittercress, large	Cardamine amara
Bittercress, wavy	Cardamine flexuosa
Bittersweet	Solanum dulcamara
Black bryony	Tamus communis
Black horehound	Ballota nigra
Black nightshade	Solanum nigrum
Blackthorn	Prunus spinosa
Blinks	Montia fontanum
Blood drop emlets	Mimulus guttatus
Bluebell	Hyacinthoides nonscripta
Bog asphodel	Narthecium ossifragum
Bog myrtle or Gale	Myrica gale
Bog pimpernel	Anagallis tenella
Bogbean	Menyanthes trifoliata
Borage	Borago officinalis
Bracken	Pteridium aquilinum
Bramble	Rubus fruticosus
Broom	Cytisus scoparius
Buckthorn	Rhamnus catharticus
Bugle	Ajuga reptans
Bugloss	Anchusa arvensis
Bur-reed, common	Sparganium erectum
Burdock	Arctium minus
Burnet saxifrage, greater	Pimpinella major
Burnet saxifrage, lesser	Pimpinella saxifraga
Burnet, great	Sanguisorba officinalis
Burnet, salad	Sanguisorba minor
Butchers broom	Ruscus aculeatus
Butterbur	Petasites hybridus
Buttercup, bulbous	Ranunculus bulbosus
Buttercup, celery leaved	Ranunculus sceleratus
Buttercup, corn	Ranunculus arvensis
Buttercup, creeping	Ranunculus repens
Buttercup, goldilocks	Ranunculus auricomus
Buttercup, hairy	Ranunculus sardous
Buttercup, meadow	Ranunculus acris
Butterwort	Pinguicula vulgaris
Campion, bladder	Silene vulgaris
Campion, red	Silene dioica
Campion, white	Silene latifolia
Canadian waterweed	Elodea canadensis
Catsear	Hypochaeris radicata
Celandine, greater	Chelidonium majus
Celandine, lesser	Ranunculus ficaria
Centaury	Centaurium erythraea
Chamomile, corn	Anthemis arvensiscotula
Chamomile, stinking	Anthemis cotula
Charlock	Sinapis arvensis
Cherry plum	Prunus cerasifera
Chestnut, horse	Aesculus hippocastanum
Chestnut, sweet	Castanea sativa
Chickweed wintergreen	Trientalis europaea
Chickweed, common	Stellaria media
Chickweed, greater	Stellaria neglecta
Chicory	Cichorium intybus
Chinese teaplant	Lycium chinense
Cinquefoil, creeping	Potentilla reptans
Cinquefoil, marsh	Potentilla palustris
Cleavers	Galium aparine
Clover, alsike	Trifolium hybridum 
Clover, red	Trifolium pratense
Clover, white	Trifolium repens
Clover, zigzag	Trifolium medium
Coltsfoot	Tussilago farfara
Columbine	Aquilegia vulgaris
Comfrey	Symphytum sp.
Comfrey, common	Symphytum officinalis
Comfrey, Russian	Symphytum x uplandicum
Corn marigold	Chrysanthemum segetum
Corn salad	Valerianella locusta
Corydalis, climbing	Ceratocapnos claviculata
Corydalis, yellow	Pseudofumaria lutea
Cottongrass, broad leaved	Eriophorum latifolium
Cottongrass, common	Eriophorum angustifolium
Cottongrass, harestail	Eriophorum vaginatum
Cow parsley	Anthriscus sylvestris
Cow wheat	Melampyrum pratense
Cowberry	Vaccinium vitis-idaea
Cowslip	Primula veris
Crab apple	Malus sylvestris
Cranberry	Vaccinium oxycoccus
Cranesbill, bloody	Geranium sanguineum
Cranesbill, cut leaved	Geranum dissectum
Cranesbill, dovesfoot	Geranium molle
Cranesbill, dusky	Geranium phaeum
Cranesbill, French	Geranium endressii
Cranesbill, hedgerow	Geranium pyrenaicum
Cranesbill, long stalked	Geranium columbinum
Cranesbill, meadow	Geranium pratense
Cranesbill, pencilled	Geranium versicolor
Cranesbill, shining	Geranium lucidum
Cranesbill, small flowered	Geranium pusillum
Cranesbill, wood	Geranium sylvaticum
Creeping jenny	Lysimachia nummularia
Cross leaved heath	Erica tetralix
Crosswort	Galium cruciata
Crowberry	Empetrum nigrum
Cuckoo flower or Milkmaid	Cardamine pratensis
Cudweed, marsh	Gnaphalium uliginosum
Currant, black	Ribes nigrum
Currant, flowering	Ribes sanguineum
Currant, mountain	Ribes alpinum
Currant, red	Ribes rubrum
Daisy	Bellis perennis
Dames violet	Hesperis matronalis
Dandelion	Taraxacum sp.
Danish scurvygrass	Cochlearia danica
Deadly nightshade	Atropa bella-donna
Deadnettle, cut leaved	Lamium hybridum
Deadnettle, henbit	Lamium amplexicaule
Deadnettle, red	Lamium purpureum
Deadnettle, spotted	Lamium maculatum
Deadnettle, white	Lamium album
Dewberry	Rubus caesius
Dock, broad leaved	Rumex obtusifolius
Dock, clustered	Rumex conglomeratus
Dock, curled	Rumex crispus
Dock, wood	Rumex sanguineus
Dogs mercury	Mercurialis perennis
Dogwood	Cornus sanguinea
Dropwort	Filipendula vulgaris
Duckweed, common	Lemna minor
Duckweed, ivy leaved	Lemna trisulca
Dwarf cornel	Cornus suecica
Dyers greenweed	Genista tinctoria
Elder	Sambucus nigra
Elm, English	Ulmus procera
Elm, wych	Ulmus glabra
Enchanters nightshade	Circaea lutetiana
Eyebright	Euphrasia officinalis agg.
Fairy foxglove	Erinus alpinus
False oxlip	Primula x polyantha
Fat hen	Chenopodium album
Feverfew	Tanacetum parthenium
Field madder	Sherardia arvensis
Field pennycress	Thlaspi arvense
Figwort, common	Scrophularia nodosa
Figwort, water	Scrophularia auriculata
Flax, cultivated	Linum usitatissimum
Flax, fairy	Linum catharticum
Fleabane	Pulicaria dysenterica
Fools parsley	Aethusa cynapium
Fools watercress	Apium nodiflorum
Forgetmenot, changing	Myosotis discolor
Forgetmenot, creeping	Myosotis secunda
Forgetmenot, early	Myosotis ramosissima
Forgetmenot, field	Myosotis arvensis
Forgetmenot, pale	Myosotis stolonifera
Forgetmenot, tufted	Myosotis laxa
Forgetmenot, water	Myosotis scorpioides
Forgetmenot, wood	Myosotis sylvatica
Fox and cubs	Pilosella aurantiaca
Foxglove	Digitalis purpurea
Fumitory	Fumaria sp.
Fumitory, common	Fumaria officinalis
Fumitory, common ramping	Fumaria muralis
Fumitory, fine leaved	Fumaria parviflora
Fumitory, white ramping	Fumaria capreolata
Gentian, autumn	Gentianella amarella
Gentian, field	Gentianella campestris
Globeflower	Trollius europaeus
Goatsbeard	Tragopogon pratensis
Golden saxifrage, alternate leaved	Chrysosplenium alternifolium 
Golden saxifrage, opposite leaved	Chrysosplenium oppositifolium 
Goldenrod, Canadian	Solidago canadensis
Goldenrod, wild	Solidago virgaurea
Good King Henry	Chenopodium bonus-henricus
Gooseberry	Ribes uva-crispa
Gorse	Ulex europaeus
Grass of Parnassus	Parnassia palustris
Great lettuce	Lactuca virosa
Green alkanet	Pentaglottis sempervirens
Gromwell	Lithospermum officinale
Ground elder	Aegopodium podagraria
Ground ivy	Glechoma hederacea
Groundsel, common	Senecio vulgaris
Groundsel, heath	Senecio sylvaticus
Groundsel, sticky	Senecio viscosus
Guelder rose	Viburnum opulus
Gypsywort	Lycopus europaeus
Hairy rockcress	Arabis hirsuta
Hairy tare	Vicia hirsuta
Harebell	Campanula rotundifolia
Hawkbit, autumn	Leontodon autumnalis
Hawkbit, lesser	Leontodon saxatilis
Hawkbit, rough	Leontodon hispidus
Hawksbeard, beaked	Crepis vesicaria
Hawksbeard, marsh	Crepis paludosa
Hawksbeard, rough	Crepis biennis
Hawksbeard, smooth	Crepis capillaris
Hawkweed	Hieracium species
Hawkweed, mouse eared	Hieracium pilosella        
Hawthorn	Crataegus monogyna
Hazel	Corylus avellana
Heather	Calluna vulgaris
Hedge Garlic or Jack by the Hedge	Alliaria petiolata
Hedge mustard	Sisymbrium officinalis
Hedge parsley, upright	Torilis japonica
Hellebore, green	Helleborus viridis
Hellebore, stinking	Helleborus foetidus
Helleborine, broad leaved	Epipactis helleborine
Helleborine, marsh	Epipactis palustris
Hemlock	Conium maculatum
Hemlock water dropwort	Oenanthe crocata
Hemp agrimony	Eupatorium cannabinum
Hempnettle, common	Galeopsis tetrahit
Hempnettle, large flowered	Galeopsis speciosa
Henbane	Hyoscyamus niger
Herb paris	Paris quadrifolia
Herb robert	Geranium robertianum
Hogweed	Heracleum sphondylium
Holly	Ilex aquifolium
Honesty	Lunaria annua
Honeysuckle	Lonicera periclymenum
Hop	Humulus lupulus
Hornbeam	Carpinus betulus
Horse radish	Armoracia rusticana
Hounds tongue	Cynoglossum officinale
Houseleek	Sempervivum tectorum
Ivy	Hedera helix
Japanese knotweed	Fallopia japonica
Juniper	Juniperus communis
Knapweed, common	Centaurea nigra
Knapweed, greater	Centaurea scabiosa
Knotgrass	Polygonum aviculare
Ladys mantle	Alchemilla sp.
Ladys mantle	Alchemilla filicaulis ssp. vestita
Ladys mantle	Alchemilla glabra
Ladys mantle	Alchemilla xanthochlora
Larch	Larix sp.
Leopardsbane	Doronicum pardalianches
Lesser water parsnip	Berula erecta
Lily of the valley	Convallaria majalis
Lime, large leaved	Tilia platyphyllos
Lime, small leaved	Tilia cordata
Loosestrife, dotted	Lysimachia punctata
Loosestrife, purple	Lythrum salicaria
Loosestrife, tufted	Lysimachia thyrsiflora
Loosestrife, yellow	Lysimachia vulgaris
Lords and ladies	Arum maculatum
Lousewort, common	Pedicularis sylvatica
Lousewort, marsh	Pedicularis palustris
Lucerne	Medicago sativa
Mallow, common	Malva sylvestris
Mallow, dwarf	Malva neglecta
Mallow, musk	Malva moschata
Maple, field	Acer campestre
Maple, Norway	Acer platanoides
Marjoram	Origanum vulgare
Marsh arrowgrass	Triglochin palustris
Marsh marigold	Caltha palustris
Marsh pennywort	Hydrocotyle vulgaris
Mayweed, scented	Matricaria recutita
Mayweed, scentless	Triplospermum maritimum
Meadow rue, common	Thalictrum flavum
Meadow Saffron	Colchicum autumnale
Meadowsweet	Filipendula ulmaria
Meadow vetchling	Lathyrus pratensis
Medick, black	Medicago lupulina
Melilot	Melilotus sp.
Melilot, ribbed	Melilotus officinalis
Melilot, tall	Melilotus altissimus
Melilot, white	Melilotus albus
Mignonette	Reseda lutea
Milkwort, common	Polygala vulgaris
Milkwort, heath	Polygala serpyllifolia
Mint, corn	Mentha arvensis
Mint, round leaved or apple	Mentha suaveolens
Mint, spear	Mentha spicata
Mint, water	Mentha aquatIca
Monkshood	Aconitum napellus
Moonwort	Botrychium lunaria
Moschatel or Town hall clock	Adoxa moschatellina
Mountain everlasting	Antennaria dioica
Mouse ear, common	Cerastium fontanum
Mouse ear, field	Cerastium arvense
Mouse ear, sticky	Cerastium glomeratum
Mugwort	Artemesia vulgaris
Mullein, dark	Verbascum nigrum
Mullein, great	Verbascum thapsus
Musk	Mimulus moschatus
Mustard, black	Brassica nigra 
Mustard, white	Sinapis alba
Nettle, common	Urtica dioica
Nettle, small	Urtica urens
Nightflowering catchfly	Silene noctiflora
Nipplewort	Lapsana communis
Oak	Quercus sp.
Oak, hybrid	Quercus sp.
Oak, pedunculate	Quercus robur
Oak, sessile	Quercus petraea
Oak, turkey	Quercus cerris
Orache	Atriplex patula
Orchid, bee	Ophrys apifera
Orchid, birdsnest	Neottia nidus-avis
Orchid, burnt	Orchis ustulata
Orchid, common spotted	Dactylorhiza fuchsii
Orchid, early marsh	Dactylohiza incarnata
Orchid, early purple	Orchis mascula
Orchid, fly	Ophrys insectifera
Orchid, fragrant	Gymnadenia conopsea
Orchid, frog	Coeloglossum viride
Orchid, greater butterfly	Platanthera chlorantha
Orchid, greenwinged	Orchis morio
Orchid, heath spotted	Dactylorhiza maculata
Orchid, lesser butterfly	Platanthera bifolia
Orchid, narrowleaved marsh	Dactylorhiza traunsteineri
Orchid, northern marsh	Dactylorhiza purpurella
Orchid, pyramidal	Anacamptis pyramidalis
Orchid, southern marsh	Dactylorhiza incarnata
Oxeye daisy or Dog Daisy	Leucanthemum vulgare 
Oxtongue, bristly	Picris echiodes
Oxtongue, hawkweed	Picris hieracioides
Pale persicaria	Persicaria lapathifolia
Pansy, field	Viola arvensis
Pansy, wild	Viola tricolor
Parsley piert	Aphanes arvensis
Pearlwort, annual	Sagina apetala
Pearlwort, knotted	Sagina nodosa
Pearlwort, procumbent or mossy	Sagina procumbens
Pellitory of the wall	Parietaria judaica
Pepper saxifrage	Silaum silaus
Periwinkle, lesser	Vinca minor
Perwinkle, greater	Vinca major
Petty whin	Genista anglica
Pignut	Conopodium majus
Pineapple weed	Matricaria discoidea
Pink purslane	Claytonia sibirica
Plantain, buckshorn	Plantago coronopus
Plantain, greater	Plantago major
Plantain, hoary	Plantago media
Plantain, ribwort	Plantago lanceolata
Ploughmans spikenard	Inula conyzae
Poplar, hybrid	Populus x canadensis
Poplar, white	Populus alba
Poppy, common	Papaver rhoeas
Poppy, long headed	Papaver dubium
Poppy, opium	Papaver somniferum
Poppy, Welsh	Meconopsis cambrica
Primrose, birdseye	Primula farinosa
Primrose, common	Primula vulgaris
Quaking grass	Briza media
Radish, wild	Raphanus raphanistrum
Ragged robin	Lychnis flos-cuculi
Ragwort, common	Senecio jacobea
Ragwort, hoary	Senecio erucifolius
Ragwort, marsh	Senecio aquaticus
Ragwort, Oxford	Senecio squalidus
Ramsons	Allium ursinum
Rape	Brassica napus
Raspberry	Rubus idaeus
Red bartsia	Odontites verna
Red goosefoot	Chenopodium rubrum
Redshank	Persicaria maculosa
Reedmace, common	Typha latifolia
Reedmace, lesser	Typha angustifolia
Restharrow, common	Ononis repens
Restharrow, spiny	Ononis spinosa
Rhododendron	Rhododendron ponticum
Rockrose	Helianthemum nummularium
Rose, burnet	Rosa pimpinellifolia
Rose, dog	Rosa canina
Rose, downy	Rosa mollis
Rose, field	Rosa arvensis
Rose, sweet briar	Rosa rubiginosa
Rough chervil	Chaerophyllum temulentum
Rowan	Sorbus aucuparia
Sanicle	Sanicula europaea
Sawwort	Serratula tinctoria
Saxifrage, meadow	Saxifraga granulata
Saxifrage, rue-leaved	Saxifraga tridactylites
Scabious, devilsbit	Succisa pratensis
Scabious, field	Knautia arvensis
Scabious, small	Scabiosa columbaria
Scarlet pimpernel	Anagallis arvensis
Scots pine	Pinus sylvestris
Self heal	Prunella vulgaris
Shepherds needle	Scandix pecten-veneris
Shepherds purse	Capsella bursa-pastoris
Silverweed	Potentilla anserina
Skullcap	Scutellaria galericulata
Sneezewort	Achillea ptarmica
Snowdrop	Galanthus nivalis
Sorrel, common	Rumex acetosa
Sorrel, sheeps	Rumex acetosella
Sowthistle, blue	Cicerbita macrophylla
Sowthistle, perennial	Sonchus arvensis
Sowthistle, rough	Sonchus asper
Sowthistle, smooth	Sonchus oleracea
Spearwort, greater	Ranunculus lingua
Spearwort, lesser	Ranunculus flammula
Speedwell, brooklime	Veronica beccabunga
Speedwell, common	Veronica persica
Speedwell, germander	Veronica chamaedrys
Speedwell, green	Veronica agrestis
Speedwell, grey	Veronica polita
Speedwell, heath	Veronica officinalis
Speedwell, ivy leaved	Veronica hederifolia
Speedwell, marsh	Veronica scutellata
Speedwell, slender	Veronica filiformis
Speedwell, thyme leaved	Veronica serpyllifolia
Speedwell, wall	Veronica arvensis
Speedwell, water (blue)	Veronica angallis-aquatica
Speedwell, wood	Veronica montana
Spindle	Euonymus europaeus
Spring whitlowgrass	Erophila verna 
Spruce, Norway	Picea abies
Spruce, Sitka	Picea sitchensis
Spurge laurel	Daphne laureola
Spurge, dwarf	Euphorbia exigua
Spurge, petty	Euphorbia peplus
Spurge, sun	Euphorbia helioscopia
Spurrey, corn	Spergula arvensis
Spurrey, sand	Spergularia rubra
St Johnswort, beautiful	Hypericum pulchrum
St Johnswort, hairy	Hypericum hirsutum
St Johnswort, imperforate	Hypericum maculatum
St Johnswort, marsh	Hypericum elodes
St Johnswort, pale	Hypericum montanum
St Johnswort, perforate	Hypericum perforatum
St Johnswort, square stalked	Hypericum tetrapterum
St Johnswort, trailing	Hypericum humifusum
Star of Bethlehem, white	Ornithogalum angustifolium
Star of Bethlehem, yellow	Gagea lutea
Starwort	Callitriche agg.
Stitchwort, bog	Stellaria uliginosa
Stitchwort, greater	Stellaria holostea
Stitchwort, lesser	Stellaria graminea
Stitchwort, marsh	Stellaria palustris
Stitchwort, wood	Stellaria nemorum
Stone bramble	Rubus saxatilis
Stonecrop, biting	Sedum acre
Stonecrop, English	Sedum anglicum
Stonecrop, reflexed	Sedum rupestre
Stonecrop, white	Sedum album
Storksbill	Erodium cicutarium
Strawberry, barren	Potentilla sterilis
Strawberry, wild	Fragaria vesca
Sundew	Drosera rotundifolia
Sweet cicely	Myrrhis odorata
Swinecress	Coronopus sp.
Swinecress, common	Coronopus squamatus
Swinecress, lesser	Coronopus didymus
Sycamore	Acer pseudoplatanus
Tansy	Tanacetum vulgare
Teasel	Dipsacus fullonum
Thale cress	Arabidopsis thaliana
Thistle, carline	Carlina vulgaris
Thistle, creeping	Cirsium arvense
Thistle, dwarf	Cirsium acaule
Thistle, marsh	Cirsium palustre
Thistle, meadow	Cirsium dissectum
Thistle, melancholy	Cirsium heterophyllum
Thistle, musk	Carduus nutans
Thistle, slender	Carduus tenuiflorus
Thistle, spear	Cirsium vulgare
Thistle, welted	Carduus crispus
Thistle, woolly	Cirsium eriophorum
Thorn apple	Datura stramonium
Three nerved sandwort	Moehringia trinerva
Thyme	Thymus polytrichus
Thyme leaved sandwort	Arenaria serpyllifolia
Toadflax, common	Linaria vulgaris
Toadflax, ivy leaved	Cymbalaria muralis
Toadflax, purple	Linaria purpurea
Toadflax, small	Chaenorhinum minus
Toothwort	Lathrea squamaria
Tormentil	Potentilla erecta
Tormentil, trailing	Potentilla anglica
Treacle mustard	Erysimum cheiranthoides
Trefoil, hop	Trifolium campestre
Trefoil, lesser	Trifolium dubium
Tutsan	Hypericum androsaemum
Twayblade, common	Listera ovata
Twayblade, lesser	Listera cordata
Valerian, common	Valeriana officinalis
Valerian, marsh	Valeriana dioica
Valerian, red	Centranthus ruber
Venus's looking-glass	Legousia hybrida
Vetch, bitter	Lathyrus linifolius
Vetch, bush	Vicia sepium
Vetch, common	Vicia sativa
Vetch, kidney	Anthyllis vulneraria
Vetch, spring	Vicia lathyroides
Vetch, tufted	Vicia cracca
Vetch, wood	Vicia sylvatica
Violet, common dog	Viola riviniana
Violet, early dog or Wood dog	Viola reichenbachiana
Violet, hairy	Viola hirta
Violet, marsh	Viola palustris
Violet, sweet	Viola odorata
Vipers bugloss	Echium vulgare
Wall lettuce	Mycelis muralis
Wall rocket, annual	Diplotaxis muralis
Wall rue	Asplenium ruta-muraria
Water crowfoot, common	Ranunculus aquatilis
Water crowfoot, ivy leaved	Ranunculus hederacea
Water crowfoot, river	Ranunculus fluitans
Water crowfoot, round leaved	Ranunculus omiophyllus
Water crowfoot, thread leaved	Ranunculus trichophyllus
Water pepper	Persicaria hydropiper
Water plantain	Alisma plantago-aquatica
Water purslane	Lythrum portula
Watercress, common	Rorippa nasturtium-aquaticum
Watercress, narrow fruited	Rorippa microphylla
Waterlily, white	Nymphea alba
Waterlily, yellow	Nuphar lutea
Weld	Reseda luteola
Whitebeam	Sorbus aria agg.
Wild basil	Clinopodium vulgare
Wild carrot	Daucus carota
Wild cherry	Prunus avium
Wild daffodil	Narcissus pseudonarcissus
Wild pear	Pyrus communis
Wild plum	Prunus domestica
Wild privet	Ligustrum vulgare
Willow, bay	Salix pentandra 
Willow, crack	Salix fragilis
Willow, creeping	Salix repens
Willow, eared	Salix aurita
Willow, goat	Salix caprea
Willow, grey	Salix cinerea
Willow, osier	Salix viminalis
Willow, purple	Salix purpurea
Willow, white	Salix alba
Willowherb, American	Epilobium ciliatum
Willowherb, broad leaved	Epilobium montanum
Willowherb, great	Epilobium hirsutum
Willowherb, hoary	Epilobium parviflorum
Willowherb, marsh	Epilobium palustre
Willowherb, New Zealand	Epilobium brunnescens
Willowherb, pale	Epilobium roseum
Willowherb, rosebay or Fireweed	Chamaenerion angustifolium
Willowherb, short fruited	Epilobium obscurum
Willowherb, square stalked	Epilobium tetragonum
Winter aconite	Eranthis hyemalis
Winter heliotrope	Petasites fragrans
Wintercress	Barbarea vulgaris
Wintergreen	Pyrola sp.
Wintergreen - common	Pyrola minor
Wintergreen - intermediate	Pyrola media
Wood anemone	Anemone nemorosa
Wood sage	Teucrium scorodonia
Wood sorrel	Oxalis acetosella
Woodruff	Galium odoratum
Woodrush, field	Luzula campestris
Woodrush, great	Luzula sylvatica
Woodrush, hairy	Luzula pilosa
Woodrush, heath	Luzula multiflora
Wormwood	Artemesia absinthium
Woundwort, field	Stachys arvensis
Woundwort, hedge	Stachys sylvatica
Woundwort, marsh	Stachys palustris
Yarrow	Achillea millefolium
Yellow archangel	Lamiastrum galeobdolon
Yellow birdsnest	Monotropa hypopitys
Yellow iris or Flag	Iris pseudacorus
Yellow pimpernel	Lysimachia nemorum
Yellow rattle	Rhinanthus minor 
Yellowcress, great	Rorippa amphibia
Yellowcress, marsh	Rorippa palustris
Yew	Taxus baccata