| adder's-tongue | Ophioglossum vulgatum | Page 61 |
| agrimony | Agrimonia eupatoria | Page 1 |
| alder | Alnus glutinosa | Page 3 |
| alder buckthorn | Frangula alnus | Page 35 |
| alexanders | Smyrnium olusatrum | Page 85 |
| allseed | Radiola linoides | Page 73 |
| almond willow | Salix triandra | Page 79 |
| alpine bistort | Persicaria vivipara | Page 65 |
| alpine clubmoss | Diphasiastrum alpinum | Page 27 |
| alpine lady's-mantle | Alchemilla alpina | Page 3 |
| alpine meadow-rue | Thalictrum alpinum | Page 91 |
| alpine saw-wort | Saussauria alpina | Page 81 |
| alsike clover | Trifolium hybridum | Page 93 |
| alternate water-milfoil | Myriophyllum alterniflorum | Page 59 |
| alternate-leaved golden-saxifrage | Chrysosplenium alternifolium | Page 21 |
| American willowherb | Epilobium ciliatum | Page 29 |
| amphibious bistort | Persicaria amphibia | Page 63 |
| annual knawel | Scleranthus annuus | Page 81 |
| annual meadow-grass | Poa annua | Page 67 |
| annual mercury | Mercurialis annua | Page 57 |
| annual pearlwort | Sagina apetala | Page 77 |
| annual sea-blite | Suada maritima | Page 89 |
| annual wall-rocket | Diplotaxis muralis | Page 27 |
| apple | Malus domestica | Page 55 |
| apple mint | Mentha x villosa | Page 57 |
| arrowhead | Sagittaria sagittifolia | Page 79 |
| ash | Fraxinus excelsior | Page 35 |
| asparagus | Asparagus officinalis | Page 7 |
| aspen | Populus tremula | Page 69 |
| autumn gentian | Gentianella amarella | Page 37 |
| autumn lady's-tresses | Spiranthes spiralis | Page 87 |
| autumn squill | Scilla autumnalis | Page 81 |
| autumnal hawkbit | Leontodon autumnalis | Page 49 |
| balm | Melissa officinalis | Page 55 |
| barberry | Berberis vulgaris | Page 9 |
| barren brome | Anisantha sterilis | Page 5 |
| barren strawberry | Potentilla sterilis | Page 71 |
| basil thyme | Clinopodium acinos | Page 21 |
| bay willow | Salix pentandra | Page 79 |
| beaked hawk's-beard | Crepis vesicaria | Page 25 |
| bearberry | Arctostaphylos uva-ursi | Page 7 |
| bearded couch | Elymus caninus | Page 29 |
| bearded iris | Iris germanica | Page 45 |
| bee orchid | Ophrys apifera | Page 61 |
| beech | Fagus sylvatica | Page 33 |
| beech fern | Phegopteris connectilis | Page 65 |
| beet | Beta vulgaris | Page 9 |
| bell heather | Erica cinerea | Page 31 |
| betony | Stachys officinalis | Page 89 |
| bilberry | Vaccinium myrtillus | Page 95 |
| bird cherry | Prunus padus | Page 71 |
| bird's-eye primrose | Primula farinosa | Page 71 |
| bird's-foot | Ornithopus perpusillus | Page 61 |
| bird's-foot clover | Trifolium ornithopodioides | Page 93 |
| bird's-nest orchid | Neottia nidus-avis | Page 59 |
| biting stonecrop | Sedum acre | Page 83 |
| bitter vetch | Lathyrus linifolius | Page 49 |
| bittersweet | Solanum dulcamara | Page 85 |
| black bent | Agrostis gigantea | Page 1 |
| black bindweed | Fallopia convolvulus | Page 33 |
| black bog-rush | Schoenus nigricans | Page 81 |
| black bryony | Tamus communis | Page 89 |
| black currant | Ribes nigrum | Page 75 |
| black horehound | Ballota nigra | Page 9 |
| black medick | Medicago lupulina | Page 55 |
| black mustard | Brassica nigra | Page 11 |
| black nightshade | Solanum nigrum | Page 85 |
| black spleenwort | Asplenium adiantum-nigrum | Page 7 |
| black-grass | Alopecuros myosuroides | Page 3 |
| blackthorn | Prunus spinosa | Page 71 |
| bladder campion | Silene vulgaris | Page 85 |
| bladder sedge | Carex vesicaria | Page 17 |
| blinks | Montia fontana | Page 57 |
| bloody crane's-bill | Geranium sanguineum | Page 39 |
| blue fleabane | Erigeron acer | Page 31 |
| blue moor-grass | Sesleria caerulea | Page 85 |
| blue water-speedwell | Veronica anagallis-aquatica | Page 97 |
| bluebell | Hyacinthoides non-scripta | Page 43 |
| blunt-flowered rush | Juncus subnodulosus | Page 47 |
| bog asphodel | Narthecium ossifragum | Page 59 |
| bog myrtle | Myrica gale | Page 59 |
| bog pimpernel | Anagallis tenella | Page 3 |
| bog pondweed | Potamogeton polygonifolius | Page 69 |
| bog stitchwort | Stellaria uliginosa | Page 89 |
| bogbean | Menyanthes trifoliata | Page 57 |
| bottle sedge | Carex rostrata | Page 17 |
| bracken | Pteridum aquilinum | Page 71 |
| bramble | Rubus fruticosus agg. | Page 77 |
| branched bur-reed | Sparganium erectum | Page 87 |
| bristle club-rsuh | Isolepsis setacea | Page 45 |
| bristly oxtongue | Picris echiodes | Page 65 |
| brittle bladder-fern | Cystopteris fragilis | Page 25 |
| broad buckler-fern | Dryopteris dilatata | Page 29 |
| broad-leaved dock | Rumex obtusifolius | Page 77 |
| broad-leaved everlasting-pea | Lathyrus latifolius | Page 49 |
| broad-leaved helleborine | Epipactis helleborine | Page 31 |
| broad-leaved pondweed | Potamogeton natans | Page 69 |
| broad-leaved willowherb | Epilobium montanum | Page 29 |
| brooklime | Veronica beccabunga | Page 97 |
| brookweed | Samolus valerandi | Page 79 |
| broom | Cytisus scoparius | Page 25 |
| brown bent | Agrostis vinealis | Page 1 |
| brown sedge | Carex disticha | Page 15 |
| buck's-horn plantain | Plantago coronopus | Page 67 |
| buckthorn | Rhamnus cathartica | Page 75 |
| bugle | Ajuga reptans | Page 3 |
| bugloss | Anchusa arvensis | Page 5 |
| bulbous buttercup | Ranunculus bulbosus | Page 73 |
| bulbous rush | Juncus bulbosus | Page 45 |
| bulrush | Typha latifolia | Page 93 |
| bur chervil | Anthriscus caucalis | Page 5 |
| burnet rose | Rosa pimpinellifolia | Page 75 |
| burnet-saxifrage | Pimpinella saxifraga | Page 65 |
| bush vetch | Vicia sepium | Page 99 |
| butcher's-broom | Ruscus aculeatus | Page 77 |
| butterbur | Petasites hybridus | Page 65 |
| butterfly bush | Buddleja davidii | Page 11 |
| cabbage | Brassica oleracea | Page 11 |
| Canadian fleabane | Conyza canadensis | Page 23 |
| Canadian goldenrod | Solidago canadensis | Page 85 |
| Canadian water-weed | Elodea canadensis | Page 29 |
| Canary-grass | Phalaris canariensis | Page 65 |
| caper spurge | Euphorbia lathyris | Page 33 |
| carline thistle | Carlina vulgaris | Page 17 |
| carnation sedge | Carex panicea | Page 15 |
| cats'-ear | Hypochaeris radicata | Page 43 |
| celery-leaved buttercup | Ranunculus scleratus | Page 73 |
| chalk milkwort | Polygala calcarea | Page 67 |
| chamomile | Chamaemelum nobile | Page 19 |
| changing forget-me-not | Myosotis discolor | Page 57 |
| charlock | Sinapis arvensis | Page 85 |
| cherry laurel | Prunus laurocerasus | Page 71 |
| cherry plum | Prunus cerasifera | Page 71 |
| chickweed wintergreen | Trientalis europaea | Page 91 |
| chicory | Cichorium intybus | Page 21 |
| Chinese mugwort | Artemisia verlotiorum | Page 7 |
| cleavers | Galium aparine | Page 37 |
| climbing corydalis | Ceratocapnos claviculata | Page 19 |
| cloudberry | Rubus chamaemorus | Page 77 |
| clustered bellflower | Campanula glomerata | Page 13 |
| clustered dock | Rumex conglomeratus | Page 77 |
| cock's-foot | Dactylis glomerata | Page 25 |
| colt's-foot | Tussilago farfara | Page 93 |
| columbine | Aquilegia vulgaris | Page 5 |
| common bent | Agrostis capillaris | Page 1 |
| common bird's-foot-trefoil | Lotus corniculatus | Page 53 |
| common bistort | Persicaria bistorta | Page 63 |
| common broomrape | Orobanche minor | Page 61 |
| common butterwort | Pinguicula vulgaris | Page 65 |
| common calamint | Clinopodium ascendens | Page 21 |
| common centaury | Centaurium erythraea | Page 19 |
| common chickweed | Stellaria media | Page 89 |
| common club-rush | Schoenoplectus lacustris | Page 81 |
| common comfrey | Symphytum officinale | Page 89 |
| common cord-grass | Spartina anglica | Page 87 |
| common cornsalad | Valerianella locusta | Page 95 |
| common cottongrass | Eriophorum angustifolium | Page 31 |
| common couch | Elytrigia repens | Page 29 |
| common cow-wheat | Melampyrum pratense | Page 55 |
| common cudweed | Filago vulgaris | Page 35 |
| common dog-violet | Viola riviniana | Page 99 |
| common duckweed | Lemna minor | Page 49 |
| common evening-primrose | Oenothera biennis | Page 61 |
| common field-speedwell | Veronica persica | Page 97 |
| common figwort | Scrophularia nodosa | Page 83 |
| common fleabane | Pulicaria dysenterica | Page 71 |
| common fumitory | Fumaria offinalis | Page 35 |
| common glasswort | Salicornia europaea | Page 79 |
| common gromwell | Lithospermum officinale | Page 51 |
| common hemp-nettle | Galeopsis tetrahit | Page 35 |
| common knapweed | Centaurea nigra | Page 17 |
| common male-fern | Dryopteris filix-mas | Page 29 |
| common mallow | Malva sylvestris | Page 55 |
| common marsh-bedstraw | Galium palustre | Page 37 |
| common meadow-rue | Thalictrum flavum | Page 91 |
| common Michaelmas-daisy | Aster x salignus | Page 7 |
| common milkwort | Polygala vulgaris | Page 67 |
| common mouse-ear | Cerastium fontanum | Page 19 |
| common nettle | Urtica dioica | Page 95 |
| common orache | Atriplex patula | Page 9 |
| common poppy | Papaver rhoeas | Page 63 |
| common ragwort | Senecio jacobaea | Page 83 |
| common ramping fumitory | Fumaria muralis | Page 35 |
| common reed | Phragmites australis | Page 65 |
| common restharrow | Ononis repens | Page 61 |
| common rock-rose | Helianthemum numularium | Page 41 |
| common saltmarsh-grass | Puccinellia maritima | Page 71 |
| common scurvygrass | Cochlearia officinalis | Page 23 |
| common sea-lavender | Limonium vulgare | Page 51 |
| common sedge | Carex nigra | Page 15 |
| common sorrel | Rumex acetosa | Page 77 |
| common spike-rush | Eleocharis palustris | Page 29 |
| common spotted-orchid | Dactylorhiza fuchsii | Page 25 |
| common stork's-bill | Erodium cicutarium | Page 31 |
| common toadflax | Linaria vulgaris | Page 51 |
| common twayblade | Listera ovata | Page 51 |
| common valerian | Valeriana officinalis | Page 95 |
| common vetch | Vicia sativa | Page 97 |
| common water-crowfoot | Ranunculus aquatilis | Page 73 |
| common water-starwort | Callitriche stagnalis | Page 13 |
| common whitlowgrass | Erophila verna | Page 31 |
| common wintergreen | Pyrola minor | Page 71 |
| compact rush | Juncus conglomeratus | Page 45 |
| corn marigold | Chrysanthemum segetum | Page 21 |
| corn mint | Mentha arvensis | Page 57 |
| corn spurrey | Spergula arvensis | Page 87 |
| cotton thistle | Onopordum acanthium | Page 61 |
| cow parsley | Anthriscus sylvestris | Page 5 |
| cowberry | Vaccinium vitis-idaea | Page 95 |
| cowslip | Primula veris | Page 71 |
| crab apple | Malus sylvestris | Page 55 |
| crack willow | Salix fragilis | Page 79 |
| cranberry | Vaccinium oxycoccos | Page 95 |
| creeping bent | Agrostis stolonifera | Page 1 |
| creeping buttercup | Ranunculus repens | Page 73 |
| creeping cinquefoil | Potentilla reptans | Page 71 |
| creeping forget-me-not | Myosotis secunda | Page 59 |
| creeping soft-grass | Holcus mollis | Page 41 |
| creeping thistle | Cirsium arvense | Page 21 |
| creeping willow | Salix repens | Page 79 |
| creeping yellow-cress | Rorippa sylvestris | Page 75 |
| creeping-Jenny | Lysimachia nummularia | Page 53 |
| crested dog's-tail | Cynosurus cristatus | Page 25 |
| crested hair-grass | Koeleria macrantha | Page 47 |
| cross-leaved heath | Erica tetralix | Page 31 |
| crosswort | Cruciata laevipes | Page 25 |
| crowberry | Empetrum nigrum | Page 29 |
| cuckoo-flower | Cardamine pratensis | Page 13 |
| curled dock | Rumex crispus | Page 77 |
| curled pondweed | Potamogeton crispus | Page 69 |
| cut-leaved crane's-bill | Geranium dissectum | Page 37 |
| cut-leaved dead-nettle | Lamium hybridum | Page 47 |
| cyperus sedge | Carex pseudocyperus | Page 17 |
| daffodil | Narcissus pseudonarcissus | Page 59 |
| daisy | Bellis perennis | Page 9 |
| dame's violet | Hesperis matronalis | Page 41 |
| dandelion | Taraxacum agg. | Page 91 |
| Danish scurvygrass | Cochlearia danica | Page 23 |
| dark mullein | Verbascum nigrum | Page 95 |
| dark-green mouse-ear (sea mouse-ear) | Cerastium diffusum | Page 19 |
| deadly nightshade | Atropa belladonna | Page 9 |
| deergrass | Trichophorum cespitosum | Page 91 |
| devil's-bit scabious | Succisa pratensis | Page 89 |
| dewberry | Rubus caesius | Page 77 |
| dioecious sedge | Carex dioica | Page 15 |
| distant sedge | Carex distans | Page 15 |
| dittander | Lepidium latifolium | Page 49 |
| dodder | Cuscuta epithymum | Page 25 |
| dog rose | Rosa canina | Page 75 |
| dog's mercury | Mercurialis perennis | Page 57 |
| dogwood | Cornus sanguinea | Page 23 |
| dotted loosestrife | Lysimachia punctata | Page 53 |
| dove's-foot crane's-bill | Geranium molle | Page 37 |
| downy birch | Betula pubescens | Page 9 |
| downy oat-grass | Helictotrichon pubescens | Page 41 |
| dropwort | Filipendula vulgaris | Page 35 |
| Duke of Argyll's teaplant | Lycium barbarum | Page 53 |
| dwarf cornel | Cornus suecica | Page 23 |
| dwarf cudweed | Gnaphalium supinum | Page 39 |
| dwarf elder | Sambucus ebulus | Page 79 |
| dwarf gorse | Ulex minor | Page 95 |
| dwarf mallow | Malva neglecta | Page 55 |
| dwarf spurge | Euphorbia exigua | Page 33 |
| dwarf thistle | Cirsium acaule | Page 21 |
| dwarf willow | Salix herbacea | Page 79 |
| dyer's greenweed | Genista tinctoria | Page 37 |
| eared willow | Salix aurita | Page 79 |
| early dog-violet | Viola reichenbachiana | Page 99 |
| early forget-me-not | Myosotis ramosissima | Page 57 |
| early goldenrod | Solidago gigantea | Page 87 |
| early hair-grass | Aira praecox | Page 1 |
| early marsh-orchid | Dactylorhiza incarnata | Page 25 |
| early purple orchid | Orchis mascula | Page 61 |
| Eastern rocket | Sisymbrium orientale | Page 85 |
| elder | Sambucus nigra | Page 79 |
| enchanter's-nightshade | Circaea lutetiana | Page 21 |
| English elm | Ulmus procera | Page 95 |
| English scurvygrass | Cochlearia anglica | Page 23 |
| English stonecrop | Sedum anglicum | Page 83 |
| equal-leaved knotgrass | Polygonum arenastrum | Page 67 |
| evergreen oak | Quercus ilex | Page 73 |
| eyebright | Euphrasia agg. | Page 33 |
| fairy flax | Linum catharticum | Page 51 |
| false fox-sedge | Carex otrubae | Page 15 |
| false oat-grass | Arrhenatherum elatius | Page 7 |
| false-brome | Brachpodium sylvaticum | Page 11 |
| fat duckweed | Lemna gibba | Page 49 |
| fat hen | Chenopodium album | Page 19 |
| fen bedstraw | Galium uliginosum | Page 37 |
| fennel | Foeniculum vulgare | Page 35 |
| fennel pondweed | Potamogeton pectinatus | Page 69 |
| fern-grass | Catapodium rigidum | Page 17 |
| feverfew | Tancetum parthenium | Page 89 |
| fiddle dock | Rumex pulcher | Page 77 |
| field bindweed | Convolvulus arvensis | Page 23 |
| field forget-me-not | Myosotis arvensis | Page 57 |
| field gentian | Gentianella campestris | Page 37 |
| field horsetail | Equisetum arvense | Page 31 |
| field madder | Sherardia arvensis | Page 85 |
| field maple | Acer campestre | Page 1 |
| field mouse-ear | Cerastium arvense | Page 19 |
| field pansy | Viola arvensis | Page 99 |
| field penny-cress | Thlaspi arvense | Page 91 |
| field pepperwort | Lepidum campestre | Page 49 |
| field rose | Rosa arvensis | Page 75 |
| field scabious | Knautia arvensis | Page 47 |
| field wood-rush | Luzula campestris | Page 53 |
| field woundwort | Stachys arvensis | Page 89 |
| fig-leaved goosefoot | Chenopodium ficifolium | Page 21 |
| fine-leaved sheep's-fescue | Festuca filiformis | Page 33 |
| fine-leaved water-dropwort | Oenanthe aquatica | Page 59 |
| fir clubmoss | Huperzia selago | Page 43 |
| flat-sedge | Blysmus compresssus | Page 11 |
| flattened meadow-grass | Poa compressa | Page 67 |
| flea sedge | Carex pulicaris | Page 17 |
| flixweed | Descurainia sophia | Page 27 |
| floating bur-reed | Sparganium angustifolium | Page 87 |
| floating club-rush | Eleogitan fluitans | Page 29 |
| floating pennywort | Hydrocotyle ranunculoides | Page 43 |
| floating sweet-grass | Glyceria fluitans | Page 39 |
| flowering rush | Butomus umbellatus | Page 11 |
| fly orchid | Ophrys insectifera | Page 61 |
| fool's water-cress | Apium nodiflorum | Page 5 |
| fool's-parsley | Aethusa cynapium | Page 1 |
| fox-and-cubs | Pilosella aurantiaca | Page 65 |
| foxglove | Digitalis purpurea | Page 27 |
| fragrant agrimony | Agrimonia procera | Page 1 |
| fragrant orchid | Gymnadenia conopsea | Page 39 |
| fringed water-lily | Nymphoides peltata | Page 59 |
| frog orchid | Coeloglossum viride | Page 23 |
| frogbit | Hydrocharis morsus-ranae | Page 43 |
| frosted orache | Atriplex laciniata | Page 9 |
| fuchsia | Fuchsia magellanica | Page 35 |
| gallant soldier | Galinsoga parviflora | Page 35 |
| garden pansy | Viola x wittrokianna | Page 99 |
| garden parsley | Petroselinum crispum | Page 65 |
| garlic-mustard | Alliaria petiolata | Page 3 |
| germander speedwell | Veronica chamaedrys | Page 97 |
| giant bellflower | Campanula latifolia | Page 13 |
| giant fescue | Festuca gigantea | Page 35 |
| giant hogweed | Heracleum mantegazianum | Page 41 |
| giant knotweed | Fallopia sachalinensis | Page 33 |
| gipsywort | Lycopus europaeus | Page 53 |
| glaucous sedge | Carex flacca | Page 15 |
| globe-flower | Trollius europaeus | Page 93 |
| goat willow | Salix caprea | Page 79 |
| goat's-beard | Tragopogon pratensis | Page 91 |
| goat's-rue | Galega officinalis | Page 35 |
| goldenrod | Solidago virgurea | Page 87 |
| golden-samphire | Inula crithmoides | Page 45 |
| Goldilocks buttercup | Ranunculus auricomus | Page 73 |
| good king-Henry | Chenopodium bonus-henricus | Page 19 |
| gooseberry | Ribes uva-cripsa | Page 75 |
| gorse | Ulex europaeus | Page 95 |
| grass vetchling | Lathyrus nissolia | Page 49 |
| grass-leaved orache | Atriplex littoralis | Page 9 |
| grass-of-parnassus | Parnassia palustris | Page 63 |
| great burnet | Sanguisorba officinalis | Page 81 |
| great horsetail | Equisetum telmateia | Page 31 |
| great mullein | Verbascum thapsus | Page 95 |
| great sundew | Drosera anglica | Page 27 |
| great willowherb | Epilobium hirsutum | Page 29 |
| great wood-rush | Luzula sylvatica | Page 53 |
| greater burdock | Arctium lappa | Page 5 |
| greater burnet-saxifrage | Pimpinella major | Page 65 |
| greater butterfly orchid | Plantanthera chlorantha | Page 67 |
| greater celandine | Chelidonium majus | Page 19 |
| greater duckweed | Spirodela polyrhiza | Page 87 |
| greater knapweed | Centaurea scabiosa | Page 19 |
| greater lettuce | Lactuca virosa | Page 47 |
| greater periwinkle | Vinca major | Page 99 |
| greater plantain | Plantago major | Page 67 |
| greater pond -sedge | Carex riparia | Page 17 |
| greater sea-spurrey | Spergularia media | Page 87 |
| greater spearwort | Ranunculus lingua | Page 73 |
| greater stitchwort | Stellaria holostea | Page 89 |
| greater tussock-sedge | Carex paniculata | Page 15 |
| greater yellow-cress | Rorippa amphibia | Page 75 |
| green alkanet | Pentaglottis sempervirens | Page 63 |
| green field-speedwell | Veronica agrestis | Page 97 |
| green hellebore | Helleborus viridis | Page 41 |
| green spleenwort | Asplenium viride | Page 7 |
| green-ribbed sedge | Carex binervis | Page 15 |
| green-winged orchid | Orchis morio | Page 61 |
| grey club-rush | Schoenoplectus tabernaemontani | Page 81 |
| grey field-speedwell | Veronica polita | Page 97 |
| grey poplar | Populus x canescens | Page 69 |
| grey sedge | Carex divulsa | Page 15 |
| grey willow | Salix cinerea | Page 79 |
| ground-elder | Aegopodium podagraria | Page 1 |
| ground-ivy | Glechoma hederacea | Page 39 |
| groundsel | Senecio vulgaris | Page 83 |
| guelder-rose | Viburnum opulus | Page 97 |
| hairy bitter-cress | Cardamine hirsuta | Page 13 |
| hairy brome | Bromopsis ramosa | Page 11 |
| hairy buttercup | Ranunculus sardous | Page 73 |
| hairy lady's-mantle | Alchemilla filicaulis | Page 3 |
| hairy rock-gress | Arabis hirsuta | Page 5 |
| hairy sedge | Carex hirta | Page 15 |
| hairy St John's-wort | Hypericum hirsutum | Page 43 |
| hairy tare | Vicia hirsuta | Page 97 |
| hairy violet | Viola hirta | Page 99 |
| hairy wood-rush | Luzula pilosa | Page 53 |
| hard fern | Blechnum spicant | Page 11 |
| hard rush | Juncus inflexus | Page 45 |
| hard shield-fern | Polystichum aculeatum | Page 69 |
| hard-grass | Parapholis strigosa | Page 63 |
| harebell | Canpanula rotundifolia | Page 13 |
| hare's-foot clover | Trifolium arvense | Page 91 |
| hare's-tail cottongrass | Eriphorum vaginatum | Page 31 |
| hart's-tongue | Phyllitis scolopendrium | Page 65 |
| hawkweed | Hieracium agg. | Page 41 |
| hawkweed oxtongue | Picris heiracioides | Page 65 |
| hawthorn | Crataegus monogyna | Page 25 |
| hazel | Corylus avellana | Page 23 |
| heath bedstraw | Galium saxatile | Page 37 |
| heath cudweed | Gnaphalium sylvaticum | Page 39 |
| heath dog-violet | Viola canina | Page 99 |
| heath groundsel | Senecio sylvaticus | Page 83 |
| heath milkwort | Polygala serpyllifolia | Page 67 |
| heath pearlwort | Sagina subulata | Page 77 |
| heath rush | Juncus squarrosus | Page 47 |
| heath speedwell | Veronica officinalis | Page 97 |
| heath wood-rush | Luzula multiflora | Page 53 |
| heather | Calluna vulgaris | Page 13 |
| heath-grass | Danthonia decumbens | Page 27 |
| hedge bedstraw | Galium mollugo | Page 37 |
| hedge bindweed | Calystegia sepium | Page 13 |
| hedge mustard | Sisymbrium officinale | Page 85 |
| hedge woundwort | Stachys sylvatica | Page 89 |
| hedgerow crane's-bill | Geranium pyrenaicum | Page 39 |
| hemlock | Conium maculatum | Page 23 |
| hemock water-dropwort | Oenanthe crocata | Page 59 |
| hemp agrimony | Eupatorium cannabinum | Page 33 |
| henbane | Hyocyamus niger | Page 43 |
| hen-bit dead-nettle | Lamium amplexicaule | Page 47 |
| herb Bennet | Geum urbanum | Page 39 |
| herb Paris | Paris quadrifolia | Page 63 |
| herb Robert | Geranium robertianum | Page 39 |
| Himalayan cotoneaster | Cotoneaster simonsii | Page 23 |
| hoary cinquefoil | Potentilla argentea | Page 69 |
| hoary cress | Lepidium draba | Page 49 |
| hoary mustard | Hirschfeldia inacana | Page 41 |
| hoary plantain | Plantago media | Page 67 |
| hoary ragwort | Senecio erucifolius | Page 83 |
| hoary willowherb | Epilobium parviflorum | Page 31 |
| hogweed | Heracleum sphondylium | Page 41 |
| holly | Ilex aquifolium | Page 45 |
| honesty | Lunaria annua | Page 53 |
| honeysuckle | Lonicera periclymenum | Page 51 |
| hop | Humulus lupulus | Page 43 |
| hop trefoil | Trifolium campestre | Page 91 |
| hornbeam | Carpinus betulus | Page 17 |
| horned pondweed | Zannichellia palustris | Page 99 |
| horse-chestnut | Aesculus hippocastanus | Page 1 |
| horse-radish | Armoracia rusticana | Page 7 |
| horseshoe vetch | Hippocrepis comosa | Page 41 |
| Hottentot-fig | Carprobotus edulis | Page 17 |
| hound's-tongue | Cynoglossum officinale | Page 25 |
| hybrid bluebell | Hyacinthoides hispanica x H. non-scripta | Page 43 |
| hybrid monkeyflower | Mimulus x robertsii | Page 57 |
| imperforate St John's-wort | Hypericum maculatum | Page 43 |
| Indian balsam | Impatiens glandulifera | Page 45 |
| intermediate lady's-mantle | Alchemilla xanthochlora | Page 3 |
| intermediate polypody | Polypodium interjectum | Page 69 |
| ivy | Hedera helix | Page 41 |
| ivy broomrape | Orobanche hederae | Page 61 |
| ivy-leaved bellflower | Wahlenbergia hederacea | Page 99 |
| ivy-leaved crowfoot | Ranunculus hederaceus | Page 73 |
| ivy-leaved duckweed | Lemna trisulca | Page 49 |
| ivy-leaved speedwell | Veronica hederifolia | Page 97 |
| ivy-leaved toadflax | Cymbalaria muralis | Page 25 |
| Japanese knotweed | Fallopia japonica | Page 33 |
| jointed rush | Juncus articulatus | Page 45 |
| juniper | Juniperus communis | Page 47 |
| keeled-fruited cornsalad | Valerianella carinata | Page 95 |
| kidney vetch | Anthyllis vulneraria | Page 5 |
| knapweed broomrape | Orobanche elatior | Page 61 |
| knotgrass | Polygonum aviculare | Page 69 |
| knotted bur-parsley | Torilis nodosa | Page 91 |
| knotted clover | Trifolium striatum | Page 93 |
| knotted pearlwort | Sagina nodosa | Page 77 |
| laburnum | Laburnum anagyroides | Page 47 |
| lady fern | Athyrium filix-femina | Page 9 |
| lady's bedstraw | Galium verum | Page 37 |
| lady's-mantle | Alchemilla vulgaris agg. | Page 3 |
| large bindweed | Calystegia silvatica | Page 13 |
| large bird's-foot-trefoil | Lotus predunculatus | Page 53 |
| large bitter-cress | Cardamine amara | Page 13 |
| large thyme | Thymus pulegioides | Page 91 |
| large-flowered evening-primrose | Oenothera glazioviana | Page 61 |
| large-flowered pink-sorrel | Oxalis debilis | Page 63 |
| large-leaved lime | Tilia platyphyllos | Page 91 |
| least duckweed | Lemna minuta | Page 49 |
| lemon scented fern | Oreopteris limbosperma | Page 61 |
| leopard's-bane | Doronicum pardalianches | Page 27 |
| lesser bulrush | Typha angustifolia | Page 93 |
| lesser burdock | Arctium minus | Page 7 |
| lesser butterfly-orchid | Plantanthera bifolia | Page 67 |
| lesser celandine | Ranunculus ficaria | Page 73 |
| lesser chickweed | Stellaria pallida | Page 89 |
| lesser clubmoss | Selaginella selaginoides | Page 83 |
| lesser hawkbit | Leontodon saxatilis | Page 49 |
| lesser meadow-rue | Thalictrum minus | Page 91 |
| lesser periwinkle | Vinca minor | Page 99 |
| lesser pond-sedge | Carex acutiformis | Page 15 |
| lesser sea-spurrey | Spergularia marina | Page 87 |
| lesser skullcap | Scutellaria minor | Page 83 |
| lesser spearwort | Ranunculus flammula | Page 73 |
| lesser stitchwort | Stellaria graminea | Page 89 |
| lesser swine-cress | Coronopus didymus | Page 23 |
| lesser trefoil | Trifolium dubium | Page 93 |
| lesser twayblade | Listera cordata | Page 51 |
| lesser water-parsnip | Berula erecta | Page 9 |
| lesser water-plantain | Baldellia ranunculoides | Page 9 |
| lily of the valley | Convallaria majalis | Page 23 |
| lime | Tilia x europaea | Page 91 |
| limestone bedstraw | Galium sterneri | Page 37 |
| little mouse-ear | Cerastium semidecandrum | Page 19 |
| long-bracted sedge | Carex extensa | Page 15 |
| long-headed poppy | Papaver dubium | Page 63 |
| long-stalked crane's-bill | Geranium columbinum | Page 37 |
| lords-and-ladies | Arum maculatum | Page 7 |
| lousewort | Pedicularis sylvatica | Page 63 |
| lucerne | Medicago sativa | Page 55 |
| lungwort | Pulmonaria officinalis | Page 71 |
| lyme-grass | Leymus arenarius | Page 51 |
| maidenhair spleenwort | Aspenium trichomanes | Page 7 |
| man orchid | Aceras anthropophorum | Page 1 |
| many-seeded goosefoot | Chenopodium polyspermum | Page 21 |
| many-stalked spike-rush | Eleocharis multicaulis | Page 29 |
| mare's-tail | Hippuris vulgaris | Page 41 |
| marram | Ammophila arenaria | Page 3 |
| marsh arrowgrass | Triglochin palustre | Page 93 |
| marsh cinquefoil | Potentilla palustris | Page 69 |
| marsh cudweed | Gnaphalium uliginosum | Page 39 |
| marsh foxtail | Alopecurus geniculatus | Page 3 |
| marsh hawk's-beard | Crepis paludosa | Page 25 |
| marsh helleborine | Epipactis palustris | Page 31 |
| marsh horsetail | Equisetum palustre | Page 31 |
| marsh lousewort | Pedicularis palustris | Page 63 |
| marsh marigold | Caltha palustris | Page 13 |
| marsh pennywort | Hydrocotyle vulgaris | Page 43 |
| marsh ragwort | Senecio aquaticus | Page 83 |
| marsh speedwell | Veronica scutellata | Page 97 |
| marsh St John's-wort | Hypericum elodes | Page 43 |
| marsh thistle | Cirsium palustre | Page 21 |
| marsh valerian | Valeriana dioica | Page 95 |
| marsh violet | Viola palustris | Page 99 |
| marsh willowherb | Epilobium palustre | Page 31 |
| marsh woundwort | Stachys palustris | Page 89 |
| marsh yellow-cress | Rorippa palustris | Page 75 |
| marsh-mallow | Althaea officinalis | Page 3 |
| mat-grass | Nardus stricta | Page 59 |
| meadow barley | Hordeum secalinum | Page 41 |
| meadow buttercup | Ranunculus acris | Page 73 |
| meadow craen's-bill | Geranium pratense | Page 37 |
| meadow fescue | Festuca pratensis | Page 35 |
| meadow foxtail | Alopecurus pratensis | Page 3 |
| meadow oat-grass | Helictotrichon pratense | Page 41 |
| meadow saffron | Colchicum autumnale | Page 23 |
| meadow saxifrage | Saxifraga granulata | Page 81 |
| meadow thistle | Cirsium dissectum | Page 21 |
| meadow vetchling | Lathyrus pratensis | Page 49 |
| meadowsweet | Filipendula ulmaria | Page 35 |
| melancholy thistle | Cirsium heterophyllum | Page 21 |
| Midland hawthorn | Crataegus laevigata | Page 25 |
| mind-your-own-business | Soleirolia soleirolii | Page 85 |
| mistletoe | Viscum album | Page 99 |
| monkeyflower | Mimulus guttatus | Page 57 |
| montbretia | Crocosmia x crocosmiiflora | Page 25 |
| moonwort | Botrychium lunaria | Page 11 |
| moschatel | Adoxa moschatellina | Page 1 |
| moss campion | Silene acaulis | Page 85 |
| mossy saxifrage | Saxifraga hypnoides | Page 81 |
| mountain avens | Dryas octopetala | Page 27 |
| mountain everlasting | Antennaria dioica | Page 5 |
| mountain melick | Melica nutans | Page 55 |
| mountain pansy | Viola lutea | Page 99 |
| mountain sorrel | Oxyria digyna | Page 63 |
| mouse-ear hawkweed | Pilosella officinarum | Page 65 |
| mugwort | Artemisia vulgaris | Page 7 |
| musk mallow | Malva moschata | Page 55 |
| musk stork's-bill | Erodium moschatum | Page 31 |
| musk thistle | Carduus nutans | Page 13 |
| narrow buckler-fern | Dryopteris carthusiana | Page 29 |
| narrow-fruited cornsalad | Valerianella dentata | Page 95 |
| narrow-fruited water-cress | Rorippa microphylla | Page 75 |
| narrow-leaved everlasting-pea | Lathyrus sylvestris | Page 49 |
| narrow-leaved meadow-grass | Poa angustifolia | Page 67 |
| narrow-leaved pepperwort | Lepidium ruderale | Page 49 |
| navelwort | Umbilicus rupestris | Page 95 |
| nettle-leaved bellflower | Camapanula trachelium | Page 13 |
| New Zealand pigmyweed | Crassula helmsii | Page 23 |
| New Zealand willowherb | Epilobium brunnescens | Page 29 |
| night-flowering catchfly | Silene noctiflora | Page 85 |
| nipplewort | Lapsana communis | Page 47 |
| nodding bur-marigold | Bidens cernua | Page 11 |
| Northern bedstraw | Galium boreale | Page 37 |
| Northern dock | Rumex longifolius | Page 77 |
| Northern marsh-orchid | Dactylorhiza purpurella | Page 27 |
| Norway maple | Acer platanoides | Page 1 |
| Nuttall's water-weed | Elodea nutallii | Page 29 |
| oak fern | Gymnocarpium dryopteris | Page 39 |
| oblong-leaved sundew | Drosera intermedia | Page 27 |
| opium poppy | Papaver somniferum | Page 63 |
| opposite-leaved golden-saxifrage | Chrysosplenium oppositifolium | Page 21 |
| opposite-leaved pondweed | Groenlandia densa | Page 39 |
| orange balsam | Impatiens capensis | Page 45 |
| Oregon grape | Mahonia aquifolium | Page 55 |
| orpine | Sedum telephium | Page 83 |
| osier | Salix viminalis | Page 79 |
| oval sedge | Carex ovalis | Page 15 |
| oxeye daisy | Leucanthemum vulgare | Page 51 |
| Oxford ragwort | Senecio squalidus | Page 83 |
| pale butterwort | Pinguicula lusitanica | Page 65 |
| pale flax | Linum bienne | Page 51 |
| pale persicaria | Persicaria lapathifolia | Page 63 |
| pale sedge | Carex pallescens | Page 15 |
| pale St John's-wort | Hypericum montanum | Page 43 |
| pale toadflax | Linaria repens | Page 51 |
| parrot's-feather | Myriophyllum aquaticum | Page 59 |
| parsley fern | Cryptogramma crispa | Page 25 |
| parsley piert | Aphanes arvensis | Page 5 |
| parsley water-dropwort | Oenanthe lachenalii | Page 59 |
| pasqueflower | Pulsatilla vulgaris | Page 71 |
| pearly everlasting | Anaphalis margaritacea | Page 5 |
| pedunculate oak | Quercus robur | Page 73 |
| pellitory-of-the-wall | Paretaria judaica | Page 63 |
| pendulous sedge | Carex pendula | Page 17 |
| pepper-saxifrage | Silaum silaus | Page 85 |
| perennial rye-grass | Lolium perenne | Page 51 |
| perennial sow-thistle | Sonchus arvensis | Page 87 |
| perennial wall-rocket | Diplotaxis tenuifolia | Page 27 |
| perfoliate pondweed | Potamogeton perfoliatus | Page 69 |
| perforate St John's-wort | Hypericum perforatum | Page 43 |
| petty spurge | Euphorbia peplus | Page 33 |
| petty whin | Genista anglica | Page 37 |
| pignut | Conopodium majus | Page 23 |
| pill sedge | Carex pilulifera | Page 17 |
| pineapple weed | Matricaria discoidea | Page 55 |
| pink purslane | Claytonia sibirica | Page 21 |
| pink water-speedwell | Veronica catenata | Page 97 |
| plicate sweet-grass | Glyceria notata | Page 39 |
| ploughman's-spikenard | Inula conyzae | Page 45 |
| polypody | Polypodium vulgare | Page 69 |
| pond water-crowfoot | Ranunculus peltatus | Page 73 |
| Portland spurge | Euphorbia portlandica | Page 33 |
| prickly lettuce | Lactuca serriola | Page 47 |
| prickly poppy | Papaver argemone | Page 63 |
| prickly sedge | Carex muricata | Page 15 |
| prickly sow-thistle | Sonchus asper | Page 87 |
| primrose | Primula vulgaris | Page 71 |
| procumbent pearlwort | Sagina procumbens | Page 77 |
| procumbent yellow-sorrel | Oxalis corniculata | Page 63 |
| purple glasswort | Salicornia ramosissima | Page 79 |
| purple loosestrife | Lythrum salicaria | Page 53 |
| purple milk-vetch | Astragalus danicus | Page 9 |
| purple moor-grass | Molinea caerulea | Page 57 |
| purple saxifrage | Saxifraga oppositifolia | Page 81 |
| purple toadflax | Linaria purpurea | Page 51 |
| purple willow | Salix purpurea | Page 79 |
| pyramidal orchid | Anacamptis pyramidalis | Page 3 |
| quaking-grass | Briza media | Page 11 |
| ragged Robin | Lychnis flos-cuculi | Page 53 |
| ramsons | Allium ursinum | Page 3 |
| rape | Brassica napus | Page 11 |
| raspberry | Rubus idaeus | Page 77 |
| rat's-tail fescue | Vulpia myuros | Page 99 |
| red bartsia | Odontites vernus | Page 59 |
| red campion | Silene dioica | Page 85 |
| red clover | Trifolium pratense | Page 93 |
| red currant | Ribes rubrum | Page 75 |
| red dead-nettle | Lamium purpureum | Page 47 |
| red fescue | Festuca rubra | Page 35 |
| red goosefoot | Chenopodium rubrum | Page 21 |
| red valerian | Centranthus ruber | Page 19 |
| red-berried elder | Sambucus racemosa | Page 79 |
| redshank | Persicaria maculosa | Page 63 |
| reed canary-grass | Phalaris arundinacea | Page 65 |
| reed sweet-grass | Glyceria maxima | Page 39 |
| reflexed saltmarsh-grass | Puccinellia distans | Page 71 |
| reflexed stonecrop | Sedum rupestre | Page 83 |
| remote sedge | Carex remota | Page 17 |
| rhododendron | Rhododendron ponticum | Page 75 |
| ribbed melilot | Melilotus officinalis | Page 55 |
| ribwort plantain | Plantago lanceolata | Page 67 |
| rigid hornwort | Ceratophyllum demersum | Page 19 |
| rock samphire | Crithmum maritimum | Page 25 |
| rock sea-lavender | Limonium binervosum | Page 51 |
| rock sea-spurrey | Spergularia rupicola | Page 87 |
| rock stonecrop | Sedum forsterianum | Page 83 |
| rosebay willowherb | Chamerion angustifolium | Page 19 |
| rose-of-Sharon | Hypericum calycinum | Page 43 |
| roseroot | Sedum rosea | Page 83 |
| rough chervil | Chaerophyllum temulum | Page 19 |
| rough clover | Trifolium scabrum | Page 93 |
| rough hawkbit | Leontodon hispidus | Page 49 |
| rough hawk's-beard | Crepis biennis | Page 25 |
| rough meadow-grass | Poa trivialis | Page 67 |
| round-leaved crane's-bill | Geranium rotundifolium | Page 39 |
| round-leaved crowfoot | Ranunculus omiophyllus | Page 73 |
| round-leaved fluellen | Kickxia spuria | Page 47 |
| round-leaved sundew | Drosera rotundifolia | Page 27 |
| rowan | Sorbus acuparia | Page 87 |
| royal fern | Osmunda regalis | Page 61 |
| rue-leaved saxifrage | Saxifraga tridactylites | Page 81 |
| Russell lupin | Lupinus x regalis | Page 53 |
| Russian comfrey | Symphytum x uplandicum | Page 89 |
| rustyback | Ceterach officinarum | Page 19 |
| sainfoin | Onobrychis viciifolia | Page 61 |
| salad burnet | Sanguisorba minor | Page 81 |
| saltmarsh flat-sedge | Blysmus rufus | Page 11 |
| saltmarsh rush | Juncus gerardii | Page 45 |
| saltwort | Salsola kali | Page 79 |
| sand cat's-tail | Phleum arenarium | Page 65 |
| sand couch | Elytrigia juncea | Page 29 |
| sand sedge | Carex arenaria | Page 15 |
| sand spurrey | Spergularia rubra | Page 87 |
| sanicle | Sanicula europaea | Page 81 |
| saw-wort | Serratula tinctoria | Page 83 |
| scaly male-fern | Dryopteris affinis | Page 29 |
| scarlet pimpernel | Anagallis arvensis | Page 3 |
| scented mayweed | Matricaria recutita | Page 55 |
| scentless mayweed | Tripleurospermum inodorum | Page 93 |
| Scots pine | Pinus sylvestris | Page 67 |
| Scottish lovage | Ligusticum scoticum | Page 51 |
| sea arrowgrass | Triglochin maritimum | Page 93 |
| sea aster | Aster tripolium | Page 7 |
| sea bindweed | Calystegia soldanella | Page 13 |
| sea buckthorn | Hippophae rhamnoides | Page 41 |
| sea campion | Silene uniflora | Page 85 |
| sea club-rush | Bolboschoenus maritimus | Page 11 |
| sea couch | Elytrigia atherica | Page 29 |
| sea fern-grass | Catapodium marinum | Page 17 |
| sea holly | Eryngium maritimum | Page 33 |
| sea kale | Crambe maritima | Page 23 |
| sea mayweed | Tripleurospermum maritimum | Page 93 |
| sea pea | Lathyrus japonicus | Page 49 |
| sea plantain | Plantago maritima | Page 67 |
| sea purslane | Atriplex portucaloides | Page 9 |
| sea rocket | Cakile maritima | Page 13 |
| sea rush | Juncus maritimus | Page 45 |
| sea sandwort | Honckenya peploides | Page 41 |
| sea spleenwort | Asplenium marinum | Page 7 |
| sea spurge | Euphorbia paralias | Page 33 |
| sea stork's-bell | Erodium maritimum | Page 31 |
| sea wormwood | Seriphidium maritimum | Page 83 |
| sea-milkwort | Glaux maritima | Page 39 |
| selfheal | Prunella vulgaris | Page 71 |
| sessile oak | Quercus petraea | Page 73 |
| shaggy soldier | Galinsoga quadriradiata | Page 37 |
| sharp-flowered fluellen | Kickxia elatine | Page 47 |
| sharp-flowered rush | Juncus acutiflorus | Page 45 |
| sheep's fescue | Festuca ovina | Page 35 |
| sheep's sorrel | Rumex acetosella | Page 77 |
| sheep's-bit | Jasione monata | Page 45 |
| shepherd's cress | Teesdalia nudicaulis | Page 91 |
| Sherard's downy-rose | Rosa sherardii | Page 75 |
| shining crane's-bill | Geranium lucidum | Page 37 |
| shining pondweed | Potamogeton lucens | Page 69 |
| shoreweed | Littorella uniflora | Page 51 |
| short-fruited willowherb | Epilobium obscurum | Page 29 |
| shpherd's-purse | Capsella bursa-pastoris | Page 13 |
| silver birch | Betula pendula | Page 9 |
| silver hair-grass | Aira caryophyllea | Page 1 |
| silverweed | Potentilla anserina | Page 69 |
| skullcap | Scutellaria galericulata | Page 83 |
| slender parsley-piert | Aphanes australis | Page 5 |
| slender rush | Juncus tenuis | Page 47 |
| slender speedwell | Veronica filiformis | Page 97 |
| slender St John's-wort | Hypericum pulchrum | Page 43 |
| slender thistle | Carduus tenuiflorus | Page 13 |
| slender trefoil | Trifolium macranthum | Page 93 |
| small balsam | Impatiens parviflora | Page 45 |
| small cudweed | Filago minima | Page 35 |
| small nettle | Urtica urens | Page 95 |
| small pondweed | Potamogeton berchtoldii | Page 69 |
| small scabious | Scabiosa columbaria | Page 81 |
| small sweet-grass | Glyceria declinata | Page 39 |
| small teasel | Dipsacus pilosus | Page 27 |
| small toadflax | Chaenorhinum minus | Page 19 |
| smaller cats'-tail | Phleum bertolonii | Page 65 |
| small-flowered crane's-bill | Geranium pusillum | Page 37 |
| small-leaved elm | Ulmus minor | Page 95 |
| small-leaved lime | Tilia cordata | Page 91 |
| Smith's pepperwort | Lepidium heterophyllum | Page 49 |
| smooth lady's-mantle | Alchemilla glabra | Page 3 |
| smooth meadow-grass | Poa pratensis | Page 67 |
| smooth sow-thistle | Sonchus oleraceus | Page 87 |
| smooth tare | Vicia tetrasperma | Page 99 |
| smotth hawk's-beard | Crepis capillaris | Page 25 |
| snapdragon | Antirrhinum majus | Page 5 |
| sneezewort | Achillea ptarmica | Page 1 |
| snowberry | Symphoricarpos albus | Page 89 |
| snowdrop | Galanthus nivalis | Page 35 |
| snow-in-summer | Cerastium tomentosum | Page 19 |
| soapwort | Saponaria officinalis | Page 81 |
| soft rush | Juncus effusus | Page 45 |
| soft shield-fern | Polystichum setiferum | Page 69 |
| soft-brome | Bromus hordeaceus | Page 11 |
| Solomon's-seal | Polygonatum multiflorum | Page 67 |
| Southern marsh-orchid | Dactylorhiza praetermissa | Page 27 |
| Southern wood-rush | Luzula forsteri | Page 53 |
| Spanish broom | Spartium junceum | Page 87 |
| spear mint | Mentha spicata | Page 57 |
| spear thistle | Cirsium vulgare | Page 21 |
| spear-leaved orache | Atriplex prostrata | Page 9 |
| spignel | Meum athamanticum | Page 57 |
| spiked sedge | Carex spicata | Page 17 |
| spiked water-milfoil | Myriophyllum spicatum | Page 59 |
| spiked wood-rush | Luzula spicata | Page 53 |
| spindle | Euonymus europaeus | Page 33 |
| spiny rest-harrow | Ononis spinosa | Page 61 |
| spotted dead-nettle | Lamium maculatum | Page 47 |
| spotted medick | Medicago arabica | Page 55 |
| spreading meadow-grass | Poa humilis | Page 67 |
| spring beauty | Claytonia perfoliata | Page 21 |
| spring sandwort | Minuartia verna | Page 57 |
| spring sedge | Carex caryophyllea | Page 15 |
| Spring squill | Scilla verna | Page 81 |
| Spring vetch | Vicia lathyroides | Page 97 |
| spurge-laurel | Daphne laureola | Page 27 |
| square-stalked St John's-wort | Hypericum tetrapterum | Page 43 |
| square-stalked willowherb | Epilobium tetragonum | Page 31 |
| squinancywort | Asperula cynanchica | Page 7 |
| squirrel-tail fescue | Vulpia bromoides | Page 99 |
| St Dabeoc's heath | Daboecia cantabrica | Page 25 |
| stag's-horn clubmoss | Lycopodium clavatum | Page 53 |
| star sedge | Carex echinata | Page 15 |
| star-of-Bethlehem | Ornithogalum angustifolium | Page 61 |
| starry saxifrage | Saxifraga stellaris | Page 81 |
| sticky groundsel | Senecio viscosus | Page 83 |
| sticky mouse-ear | Cerastium glomeratum | Page 19 |
| stinking chamomile | Anthemis cotula | Page 5 |
| stinking hellebore | Helleborus foetidus | Page 41 |
| stinking iris | Iris foetidissima | Page 45 |
| stone bramble | Rubus saxatilis | Page 77 |
| stone parsley | Sison amomum | Page 85 |
| strawberry clover | Trifolium fragiferum | Page 93 |
| stream water-crowfoot | Ranunculus penicillatus | Page 73 |
| subterranean clover | Trifolium subterraneum | Page 93 |
| sun spurge | Euphorbia helioscopia | Page 33 |
| sweet alison | Lobularia maritima | Page 51 |
| sweet briar | Rosa rubiginosa | Page 75 |
| sweet chestnut | Castanea sativa | Page 17 |
| sweet cicely | Myrrhis odorata | Page 59 |
| sweet vernal-grass | Anthoxanthum odoratum | Page 5 |
| sweet violet | Viola odorata | Page 99 |
| sweet-flag | Acorus calamus | Page 1 |
| swine-cress | Coronopus squamatus | Page 23 |
| sycamore | Acer pseudoplantanus | Page 1 |
| tall fescue | Festuca arundinacia | Page 33 |
| tall melilot | Melilotus altissimus | Page 55 |
| tall rocket | Sisymbrium altissimum | Page 85 |
| tansy | Tanacetum vulgare | Page 89 |
| tawny sedge | Carex hostiana | Page 15 |
| Thale cress | Arabidopsis thaliana | Page 5 |
| thorn-apple | Datura stramonium | Page 27 |
| thread-leaved water-crowfoot | Ranunculus tricophyllus | Page 73 |
| three-cornered leek | Allium triquetrum | Page 3 |
| three-leaved rush | Juncus trifidus | Page 47 |
| three-nerved sandwort | Moehringia trinervia | Page 57 |
| thrift | Armeria maritima | Page 7 |
| thyme-leaved sandwort | Arenaria serpyllifolia | Page 7 |
| thyme-leaved speedwell | Veronica serpyllifolia | Page 97 |
| timothy | Phleum pratense | Page 65 |
| toad rush | Juncus bufonius | Page 45 |
| toothwort | Lathraea squamaria | Page 47 |
| tor-grass | Brachypodium pinnatum | Page 11 |
| tormentil | Potentilla erecta | Page 69 |
| trailing azalea | Loiseluria procumbens | Page 51 |
| trailing St John's-wort | Hypericum humifusum | Page 43 |
| trailing tormentil | Potentilla anglica | Page 69 |
| traveller's joy | Clematis vitalba | Page 21 |
| treacle mustard | Erysimum cheiranthoides | Page 33 |
| tree-mallow | Lavatera arborea | Page 49 |
| trifid bur-marigold | Bidens tripartita | Page 11 |
| tuberous comfrey | Symphytum tuberosum | Page 89 |
| tufted forget-me-not | Myosotis laxa | Page 57 |
| tufted hair-grass | Deschampsia cespitosa | Page 27 |
| tufted vetch | Vicia cracca | Page 97 |
| Turkey oak | Quercus cerris | Page 73 |
| tutsan | Hypericum androsaemum | Page 43 |
| twiggy spurge | Euphorbia x pseudovirgata | Page 33 |
| unbranched bur-reed | Sparganium emersum | Page 87 |
| upright brome | Bromopsis erecta | Page 11 |
| upright hedge-parsley | Torilis japonica | Page 91 |
| velvet bent | Agrostis canina | Page 1 |
| Venus's-looking -glass | Legousia hybrida | Page 49 |
| vervain | Verbena officinalis | Page 95 |
| violet helleborine | Epipactis purpurata | Page 31 |
| viper's-bugloss | Echium vulgare | Page 29 |
| viviparous fescue | Festuca vivipara | Page 35 |
| wall barley | Hordeum murinum | Page 41 |
| wall cotoneaster | Cotoneaster horizontalis | Page 23 |
| wall lettuce | Mycelis muralis | Page 57 |
| wall speedwell | Veronica arvensis | Page 97 |
| wallflower | Erysimum cheiri | Page 33 |
| wall-rue | Asplenium ruta-muraria | Page 7 |
| water avens | Geum rivale | Page 39 |
| water chickweed | Myosoton aquaticum | Page 59 |
| water dock | Rumex hydrolapathum | Page 77 |
| water fern | Azolla filiculoides | Page 9 |
| water figwort | Scrophularia auriculata | Page 81 |
| water forget-me-not | Myosotis scorpiodes | Page 59 |
| water horstail | Equisetum fluviatile | Page 31 |
| water lobelia | Lobelia dortmanna | Page 51 |
| water mint | Mentha aquatica | Page 55 |
| water purslane | Lythrum portula | Page 53 |
| water-cress | Rorippa nasturtium-aquaticum | Page 75 |
| water-pepper | Persicaria hydropiper | Page 63 |
| water-plantain | Alisma plantago-aquatica | Page 3 |
| water-violet | Hottonia palustris | Page 41 |
| wavy bitter-cress | Cardamine flexuosa | Page 13 |
| wavy hair-grass | Deschampsia flexuosa | Page 27 |
| wayfaring tree | Viburnum lantana | Page 97 |
| weld | Reseda luteola | Page 75 |
| Welsh poppy | Meconopsis cambrica | Page 55 |
| welted thistle | Carduus crispus | Page 13 |
| Western gorse | Ulex gallii | Page 95 |
| whie dead-nettle | Lamium album | Page 47 |
| white beak-sedge | Rhynchospora alba | Page 75 |
| white bryony | Bryonia dioica | Page 11 |
| white campion | Silene latifolia | Page 85 |
| white clover | Trifolium repens | Page 93 |
| white comfrey | Symphytum orientale | Page 89 |
| white helleborine | Cephalanthera damasonium | Page 19 |
| white melilot | Melilotus albus | Page 55 |
| white mustard | Sinapis alba | Page 85 |
| white poplar | Populus alba | Page 69 |
| white stonecrop | Sedum album | Page 83 |
| white water-lily | Nymphaea alba | Page 59 |
| white willow | Salix alba | Page 79 |
| whitebeam | Sorbus aria | Page 87 |
| whorled caraway | Carum verticillatum | Page 17 |
| whorl-grass | Catabrosia aquatica | Page 17 |
| wild angelica | Angelica sylvestris | Page 5 |
| wild basil | Clinopodium vulgare | Page 23 |
| wild carrot | Daucus carota | Page 27 |
| wild celery | Apium graveolens | Page 5 |
| wild cherry | Prunus avium | Page 71 |
| wild clary | Salvia verbanica | Page 79 |
| wild liquorice | Astragalus glycophyllos | Page 9 |
| wild madder | Rubia peregrina | Page 77 |
| wild marjoram | Origanum vulgare | Page 61 |
| wild mignonette | Reseda lutea | Page 75 |
| wild oat | Avena fatua | Page 9 |
| wild onion | Aliium vineale | Page 3 |
| wild pansy | Viola tricolor | Page 99 |
| wild parsnip | Pastinaca sativa | Page 63 |
| wild plum | Prunus domestica | Page 71 |
| wild privet | Ligustrum vulgare | Page 51 |
| wild radish | Raphanus raphanistrum | Page 75 |
| wild service-tree | Sorbus torminalis | Page 87 |
| wild strawberry | Fragaria vesca | Page 35 |
| wild teasel | Dipsacus fullonum | Page 27 |
| wild thyme | Thymus polytrichus | Page 91 |
| Wilson's filmy fern | Hymenophyllum wilsonii | Page 43 |
| winter heliotrope | Petasites fragrans |