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| FLOWERING PLANTS | ||||
| Scientific Name | Common Name | Tetrads | Garden | |
| Acer campestre | Field Maple | 8 | ||
| Acer platanoides | Norway Maple | 1 | Planted | |
| Acer pseudoplatanus | Sycamore | 8 | ||
| Achillea millefolium | Yarrow | 13 | ||
| Aegopodium podagraria | Ground Elder | 5 | ||
| Aesculus carnea | Red Horse-chestnut | 2 | Planted | |
| Aesculus hippocastanum | Horse-chestnut | 10 | Planted | |
| Aethusa cynapium | Fool's Parsley | 3 | ||
| Agrimonia eupatoria | Agrimony | 4 | ||
| Agrostis stolonifera | Creeping Bent | 2 | ||
| Ajuga reptans | Bugle | 3 | ||
| Alcea rosea | Hollyhock | 2 | Garden origin | |
| Alchemilla mollis | Garden Lady's-mantle | 2 | Garden origin | |
| Alisma plantago-aquatica | Water-plantain | 6 | ||
| Alliaria petiolata | Garlic Mustard | 15 | ||
| Allium paradoxum | Few-flowered Garlic | 1 | ||
| Allium triquetrum | Three-cornered Garlic | 1 | Garden origin | |
| Allium vineale | Wild Onion | 1 | ||
| Alnus cordata | Italian Alder | 1 | Planted | |
| Alnus glutinosa | Alder | 7 | ||
| Alnus incana | Grey Alder | 1 | Planted | |
| Alopecurus geniculatus | Marsh Foxtail | 1 | ||
| Alopecurus pratensis | Meadow Foxtail | 9 | ||
| Amaranthus hybridus | Green Amaranth | 1 | ||
| Ambrosia artemisiifolia | Ragweed | 1 | ||
| Amelanchia lamarckii | Juneberry | 1 | Planted | |
| Anagallis arvensis | Scarlet Pimpernel | 6 | ||
| Anemone nemorosa | Wood Anemone | 4 | ||
| Angelica sylvestris | Wild Angelica | 4 | ||
| Anisantha sterilis | Barren Brome | 7 | ||
| Anthoxanthum odoratum | Sweet Vernal-grass | 3 | ||
| Anthriscus sylvestris | Cow Parsley | 13 | ||
| Antirrhinum majus | Snapdragon | 2 | Garden origin | |
| Apium nodiflorum | Fool's Water-cress | 3 | ||
| Arabidopsis thaliana | Thale Cress | 3 | ||
| Arctium minus | Lesser Burdock | 6 | ||
| Arenaria serpyllifolia | Thyme-leaved Sandwort | 1 | ||
| Aristolochia clematitis | Birthwort | 1 | Planted | |
| Arrhenatherum elatius | False Oat-grass | 6 | ||
| Artemisia vulgaris | Mugwort | 6 | ||
| Arum maculatum | Lords-and-ladies | 13 | ||
| Aster x salignus | Common Michaelmas-daisy | 1 | Garden origin | |
| Atriplex patula | Common Orache | 2 | ||
| Atriplex prostrata | Spear-leaved Orache | 4 | ||
| Avena fatua | Wild Oat | 2 | ||
| Ballota nigra | Black Horehound | 3 | ||
| Barbarea vulgaris | Winter Cress | 3 | ||
| Bellis perennis | Daisy | 18 | ||
| Betonica officinalis | Betony | 2 | ||
| Betula pendula | Silver Birch | 7 | ||
| Blackstonia perfoliata | Yellow-wort | 2 | ||
| Bolboschoenus maritimus | Sea Club-rush | 1 | Planted origin | |
| Brachypodium sylvaticum | False Brome | 2 | ||
| Borago officinalis | Borage | 3 | Garden origin | |
| Brassica napus | Rape | 3 | Crop relic | |
| Briza media | Quaking-grass | 2 | ||
| Bromopsis ramosa | Hairy Brome | 4 | ||
| Bromus hordeaceus | Soft Brome | 6 | ||
| Bromus racemosus | Smooth Brome | 1 | ||
| Bryonia dioica | White Bryony | 5 | ||
| Buddleja davidii | Butterfly Bush | 6 | ||
| Butomus umbellatus | Flowering Rush | 2 | ||
| Buxus sempervirens | Box | 3 | Planted | |
| Calamagrostis epigejos | Wood Small-reed | 1 | ||
| Calendula officinalis | Pot Marigold | 1 | Garden origin | |
| Caltha palustris | Marsh Marigold | 5 | ||
| Calystegia sepium | Hedge Bindweed | 7 | ||
| Calystegia silvatica | Large Bindweed | 3 | ||
| Campanula persicifolia | Peach-leaved Bellflower | 1 | Garden origin | |
| Campanula portenschlagiana | Adria Bellflower | 2 | Garden origin | |
| Campanula rotundifolia | Harebell | 1 | ||
| Capsella bursa-pastoris | Shepherd's-purse | 15 | ||
| Cardamine corymbosa | New Zealand Bitter-cress | 1 | Garden origin | |
| Cardamine flexuosa | Wavy Bitter-cress | 1 | ||
| Cardamine hirsuta | Hairy Bitter-cress | 10 | ||
| Cardamine pratensis | Cuckooflower | 11 | ||
| Carduus crispus | Welted Thistle | 1 | ||
| Carduus nutans | Musk Thistle | 1 | ||
| Carex acuta | Slender Tufted-sedge | 1 | ||
| Carex divulsa | Grey Sedge | 1 | ||
| Carex flacca | Glaucous Sedge | 1 | ||
| Carex hirta | Hairy Sedge | 3 | ||
| Carex leporina | Oval Sedge | 1 | ||
| Carex otrubae | False Fox-sedge | 2 | ||
| Carex pendula | Pendulous Sedge | 3 | ||
| Carex remota | Remote Sedge | 2 | ||
| Carex riparia | Greater Pond-sedge | 2 | ||
| Carex spicata | Spiked Sedge | 3 | ||
| Carex sylvatica | Wood Sedge | 1 | ||
| Carpinus betulus | Hornbeam | 4 | Planted | |
| Castanea sativa | Sweet Chestnut | 1 | Planted origin | |
| Centaurea nigra | Common Knapweed | 8 | ||
| Centaurea scabiosa | Greater Knapweed | 1 | ||
| Centaurium erythraea | Common Centaury | 3 | ||
| Centranthus ruber | Red Valerian | 7 | Garden oigin | |
| Cerastium fontanum | Common Mouse-ear | 10 | ||
| Cerastium glomeratum | Sticky Mouse-ear | 1 | ||
| Cerastium tomentosum | Snow-in-summer | 4 | Garden origin | |
| Ceratocapnos claviculata | Climbing Corydalis | 1 | ||
| Chaenorhinum minus | Small Toadflax | 2 | ||
| Chaerophyllum temulum | Rough Chervil | 5 | ||
| Chamerion angustifolium | Rosebay Willowherb | 5 | ||
| Chelidonium majus | Greater Celandine | 5 | Garden origin | |
| Chenopodium album | Fat-hen | 6 | ||
| Circaea lutetiana | Enchanter's Nightshade | 5 | ||
| Cirsium acaule | Dwarf Thstle | 1 | ||
| Cirsium arvense | Creeping Thistle | 9 | ||
| Cirsium palustre | Marsh Thistle | 2 | ||
| Cirsium vulgare | Spear Thistle | 11 | ||
| Clematis vitalba | Traveller's-joy | 3 | ||
| Clinopodium vulgare | Wild Basil | 1 | ||
| Cochlearia danica | Danish Scurvygrass | 2 | Salted roadside | |
| Conium maculatum | Hemlock | 2 | ||
| Conopodium majus | Pignut | 3 | ||
| Convallaria majalis | Lily-of-the-valley | 1 | Garden origin | |
| Convolvulus arvensis | Field Bindweed | 13 | ||
| Conyza canadensis | Canadian Fleabane | 4 | ||
| Conyza sumatrensis | Guernsey Fleabane | 1 | ||
| Cornus sanguinea | Dogwood | 5 | ||
| Cornus sericea | Red-osier Dogwood | 3 | Planted | |
| Corylus avellana | Hazel | 10 | ||
| Cotoneaster frigidus | Tree Cotoneaster | 1 | Planted | |
| Cotoneaster horizontalis | Wall Cotoneaster | 1 | Planted | |
| Cotoneaster simonsii | Himalayan Cotoneaster | 1 | Planted | |
| Crassula helmsii | New Zealand Pigmyweed | 1 | ||
| Crataegus monogyna | Hawthorn | 15 | ||
| Crepis capillaris | Smooth Hawk's-beard | 3 | ||
| Crepis vesicaria | Beaked Hawk's-beard | 6 | ||
| Crocus speciosus | Bieberstein's Crocus | 1 | Garden origin | |
| Cymbalaria muralis | Ivy-leaved Toadflax | 5 | ||
| Cynosurus cristatus | Crested Dog's-tail | 5 | ||
| Dactylis glomerata | Cock's-foot | 11 | ||
| Dactylorhiza fuchsii | Common Spotted-orchid | 5 | ||
| Dactylorhiza praetermissa | Southern Marsh-orchid | 2 | ||
| Daphne laureola | Spurge Laurel | 2 | ||
| Datura stramonium | Thorn-apple | 1 | ||
| Daucus carota | Wild Carrot | 6 | ||
| Deschampsia cespitosa | Tufted Hair-grass | 6 | ||
| Deschampsia flexuosa | Wavy Hair-grass | 1 | ||
| Digitalis purpurea | Foxglove | 2 | ||
| Dipsacus fullonum | Teasel | 11 | ||
| Echinochloa crus-galli | Cockspur | 3 | Bird seed origin | |
| Eleocharis palustris | Common Spike-rush | 1 | ||
| Elytrigia repens | Common Couch | 5 | ||
| Epilobium ciliatum | American Willowherb | 2 | ||
| Epilobium hirsutum | Great Willowherb | 12 | ||
| Epilobium montanum | Broad-leaved Willowherb | 5 | ||
| Epilobium parviflorum | Hoary Willowherb | 4 | ||
| Epilobium tetragonum | Square-stalked Willowherb | 4 | ||
| Epipactis helleborine | Broad-leaved Helleborine | 1 | ||
| Eranthis hyemalis | Winter Aconite | 3 | Garden origin | |
| Erigeron acris | Blue Fleabane | 2 | ||
| Erigeron annuus | Tall Fleabane | 1 | Garden origin | |
| Erigeron karvinskianus | Mexican Fleabane | 1 | ||
| Erodium cicutarium | Common Stork's-bill | 2 | ||
| Erophila verna | Common Whitlowgrass | 4 | ||
| Erysimum cheiri | Wallflower | 1 | Garden origin | |
| Euonymus europaeus | Spindle | 3 | ||
| Euphorbia amygdaloides ssp. robbiae | Mrs. Robb's Bonnet | 1 | Garden origin | |
| Euphorbia exigua | Dwarf Spurge | 1 | ||
| Euphorbia helioscopia | Sun Spurge | 9 | ||
| Euphorbia lathyris | Caper Spurge | 3 | ||
| Euphorbia peplus | Petty Spurge | 6 | ||
| Euphorbia platyphyllos | Broad-leaved Spurge | 1 | ||
| Fagus sylvatica | Beech | 4 | ||
| Fallopia baldschuanica | Russian Vine | 2 | Planted | |
| Fallopia convolvulus | Black-bindweed | 2 | ||
| Fallopia japonica | Japanese Knotweed | 2 | Planted | |
| Festuca ovina | Sheep's Fescue | 1 | ||
| Festuca rubra | Red Fescue | 6 | ||
| Ficaria verna | Lesser Celandine | 16 | ||
| Filago vulgaris | Common Cudweed | 1 | ||
| Filipendula ulmaria | Meadowsweet | 9 | ||
| Foeniculum vulgare | Fennel | 2 | Garden origin | |
| Fragaria vesca | Wild Strawberry | 4 | ||
| Fraxinus excelsior | Ash | 13 | ||
| Fumaria officinalis | Common Fumitory | 2 | ||
| Galanthus nivalis | Snowdrop | 6 | Garden origin | |
| Galeopsis tetrahit | Common Hemp-nettle | 2 | ||
| Galinsoga parviflora | Gallant-soldier | 1 | ||
| Galinsoga quadriradiata | Shaggy-soldier | 2 | ||
| Galium aparine | Cleavers | 17 | ||
| Galium mollugo | Hedge Bedstraw | 2 | ||
| Galium odoratum | Woodruff | 2 | ||
| Galium palustre | Marsh Bedstraw | 2 | ||
| Galium saxatile | Heath Bedstraw | 1 | ||
| Galium verum | Lady's Bedstraw | 6 | ||
| Geranium dissectum | Cut-leaved Crane's-bill | 7 | ||
| Geranium ibericum | Caucasian Crane's-bill | 1 | Garden origin | |
| Geranium lucidum | Shining Crane's-bill | 2 | ||
| Geranium molle | Dove's-foot Crane's-bill | 7 | ||
| Geranium pratense | Meadow Crane's-bill | 5 | ||
| Geranium pusillum | Small-flowered Crane's-bill | 1 | ||
| Geranium pyrenaicum | Hedgerow Crane's-bill | 5 | ||
| Geranium robertianum | Herb-Robert | 11 | ||
| Geranium versicolor | Pencilled Crane's-bill | 1 | Garden origin | |
| Geranium x oxonianum | Druce's Crane's-bill | 1 | Garden origin | |
| Geum urbanum | Wood Avens | 5 | ||
| Glechoma hederacea | Ground Ivy | 13 | ||
| Glyceria fluitans | Floating Sweet-grass | 2 | ||
| Glyceria maxima | Reed Sweet-grass | 3 | ||
| Hedera helix | Ivy | 14 | ||
| Helleborus foetidus | Stinking Hellebore | 1 | Garden origin | |
| Helminthotheca echioides | Bristly Ox-tongue | 11 | ||
| Heracleum sphondylium | Hogweed | 1 | ||
| Hesperis matronalis | Dame's Violet | 1 | ||
| Holcus lanatus | Yorkshire-fog | 8 | ||
| Holcus mollis | Creeping Soft-grass | 1 | ||
| Hordeum murinum | Wall Barley | 8 | ||
| Hordeum secalinum | Meadow Barley | 1 | ||
| Humulus lupulus | Hop | 3 | ||
| Hyacinthoides hispanica | Spanish Bluebell | 2 | Garden origin | |
| Hyacinthoides non-scripta | Bluebell | 7 | ||
| Hyacinthoides x massartiana | Hybrid Bluebell | 1 | ||
| Hypericum hirsutum | Hairy St John's-wort | 3 | ||
| Hypericum perforatum | Perforate St John's-wort | 3 | ||
| Hypericum tetrapterum | Square-stalked St John's-wort | 2 | ||
| Hypochaeirs radicata | Cat's-ear | 4 | ||
| Ilex aquifolium | Holly | 7 | ||
| Impatiens capensis | Orange Balsam | 1 | ||
| Impatiens glandulifera | Himalayan Balsam | 1 | ||
| Iris foetidissima | Stinking Iris | 3 | ||
| Iris pseudacorus | Yellow Iris | 10 | ||
| Juglans regia | Walnut | 1 | Planted | |
| Juncus articulatus | Jointed Rush | 3 | ||
| Juncus bufonius | Toad Rush | 1 | ||
| Juncus conglomeratus | Clustered Rush | 1 | ||
| Juncus effusus | Soft Rush | 2 | ||
| Juncus inflexus | Hard Rush | 2 | ||
| Laburnum anagyroides | Laburnum | 1 | Garden origin | |
| Lactuca serriola | Prickly Lettuce | 8 | ||
| Lamiastrum galeobdolon ssp. montanum | Yellow-archangel | 1 | ||
| Lamiastrum galeobdolon ssp. argentatum | Garden Yellow-archangel | 2 | Garden origin | |
| Lamium album | White Dead-nettle | 15 | ||
| Lamium amplexicaule | Henbit Dead-nettle | 1 | ||
| Lamium purpureum | Red Dead-nettle | 14 | ||
| Lapsana communis | Nipplewort | 12 | ||
| Larix decidua | Larch | 1 | ||
| Lathyrus latifolius | Broad-leaved Everlasting-pea | 3 | Garden origin | |
| Lathyrus nissolia | Grass Vetchling | 2 | ||
| Lathyrus pratensis | Meadow Vetchling | 6 | ||
| Lemna minor | Common Duckweed | 2 | ||
| Lemna minuta | Least Duckweed | 1 | ||
| Leontodon hispidus | Rough Hawkbit | 1 | ||
| Lepidium campestre | Field Pepperwort | 1 | ||
| Lepidium latifolium | Dittander | 1 | Planted | |
| Lepidium squamatum | Swine-cress | 1 | ||
| Leucanthemum vulgare | Oxeye Daisy | 8 | ||
| Leucojum aestivum | Summer Snowflake | 3 | Garden origin | |
| Ligustrum ovalifolium | Garden Privet | 1 | Planted | |
| Ligustrum vulgare | Wild Privet | 6 | ||
| Limnanthes douglasii | Meadow-foam | 1 | Garden origin | |
| Linaria purpurea | Purple Toadflax | 5 | Garden origin | |
| Linaria vulgaris | Common Toadflax | 3 | ||
| Linum catharticum | Fairy Flax | 3 | ||
| Linum usitatissimum | Flax | 1 | ||
| Lobularia maritima | Sweet Alison | 1 | Garden origin | |
| Lolium perenne | Perennial Rye-grass | 10 | ||
| Lonicera nitida | Wilson's Honeysuckle | 2 | Planted | |
| Lonicera periclymenum | Honeysuckle | 4 | ||
| Lonicera pileata | Box-leaved Honeysuckle | 1 | Planted | |
| Lotus corniculatus | Common Bird's-foot-trefoil | 10 | ||
| Lotus pedunculatus | Greater Bird's-foot-trefoil | 3 | ||
| Lunaria annua | Honesty | 3 | Garden origin | |
| Luzula campestris | Field Wood-rush | 2 | ||
| Lycopus europaeus | Gypsywort | 5 | ||
| Lysimachia nummularia | Creeping Jenny | 2 | ||
| Lysimachia punctata | Dotted Loosestrife | 1 | Garden origin | |
| Lythrum salicaria | Purple Loosestrife | 7 | ||
| Magnolia stellata | 1 | Planted | ||
| Mahonia aquifolium | Oregon-grape | 4 | ||
| Malus | Apple(s) | 7 | ||
| Malva moschata | Musk Mallow | 4 | ||
| Malva neglecta | Dwarf Mallow | 5 | ||
| Malva sylvestris | Common Mallow | 9 | ||
| Matricaria chamomilla | Sceted Mayweed | 6 | ||
| Matricaria discoidea | Pineappleweed | 6 | ||
| Meconopsis cambrica | Welsh Poppy | 2 | Garden origin | |
| Medicago arabica | Spotted Medick | 3 | ||
| Medicago lupulina | Black Medick | 12 | ||
| Melilotus altissimus | Tall Melilot | 2 | ||
| Melilotus officinalis | Ribbed Melilot | 1 | ||
| Mentha aquatica | Water Mint | 7 | ||
| Mentha arvensis | Corn Mint | 1 | ||
| Mentha spicata | Spear Mint | 1 | ||
| Mercurialis annua | Annual Mercury | 1 | ||
| Mercurialis perennis | Dog's Mercury | 3 | ||
| Mimulus guttatus | Monkeyflower | 1 | Planted | |
| Myosotis arvensis | Field Forget-me-not | 7 | ||
| Myosotis scorpioides | Water Forget-me-not | 3 | ||
| Myosotis sylvatica | Wood Forget-me-not | 3 | Garden origin | |
| Myosoton aquaticum | Water Chickweed | 1 | ||
| Nasturtium officinale | Water-cress | 1 | ||
| Nectaroscordum siculum | Honey Garlic | 1 | Planted | |
| Nicandra physalodes | Apple-of-Peru | 1 | Planted | |
| Neottia ovata | Twayblade | 1 | ||
| Nigella damascena | Love-in-a-mist | 1 | Garden origin | |
| Nonea lutea | Yellow Nonea | 1 | Garden origin | |
| Nuphar lutea | Yellow Water-lily | 2 | ||
| Nymphoides peltata | Fringed Water-lily | 1 | ||
| Odontites vernus | Red Bartsia | 5 | ||
| Oenothera biennis | Common Evening-primrose | 1 | ||
| Oenothera glazioviana | Large-flowered Evening-primrose | 1 | ||
| Ononis repens | Common Restharrow | 1 | ||
| Ononis spinosa | Spiny Restharrow | 1 | ||
| Onopordum acanthium | Scotch Thistle | 1 | Garden origin | |
| Ophrys apifera | Bee Orchid | 2 | ||
| Orchis mascula | Early-purple Orchid | 1 | ||
| Ornithogalum umbellatum ssp. campestre | Star-of-Bethlehwm | 2 | Garden origin | |
| Oxalis corniculata | Procumbent Yellow-sorrel | 3 | ||
| Oxalis debilis | Large-flowered Pink-sorrel | 1 | ||
| Papaver dubium | Long-headed Poppy | 3 | ||
| Papaver lecoqii | Yellow-juiced Poppy | 2 | ||
| Papaver rhoeas | Common Poppy | 6 | ||
| Papaver somniferum | Opium Poppy | 4 | Garden origin | |
| Parietaria judaica | Pellitory-of-the-wall | 2 | ||
| Paris quadrifolia | Herb Paris | 1 | ||
| Pastinaca sativa | Wild Parsnip | 1 | ||
| Pentaglottis sempervirens | Green Alkanet | 7 | Garden origin | |
| Persicaria amphibia | Amphibious Bistort | 5 | ||
| Persicaria capitata | Pink-headed Persicaria | 1 | Garden origin | |
| Persicaria hydropiper | Water Pepper | 1 | ||
| Persicaria maculosa | Redshank | 6 | ||
| Petasites fragrans | Winter Heliotrope | 2 | Garden origin | |
| Petasites hybridus | Butterbur | 1 | ||
| Phacelia tanacetifolia | Phacelia | 2 | Garden origin | |
| Phalaris arundinacea | Reed Canary-grass | 2 | ||
| Phleum bertolonii | Smaller Cat's-ear | 1 | ||
| Phleum pratense | Timothy | 7 | ||
| Phragmites australis | Common Reed | 4 | ||
| Pilosella aurantiaca | Fox-and-cubs | 3 | Garden origin | |
| Pilosella flagellaris | Whip Mouse-ear-hawkweed | 1 | ||
| Pilosella officinarum | Mouse-ear-hawkweed | 2 | ||
| Pimpinella saxifraga | Burnet Saxifrage | 1 | ||
| Plantago coronopus | Buck's-horn Plantain | 1 | Salted roadside | |
| Plantago lanceolata | Ribwort Plantain | 12 | ||
| Plantago major | Greater Plantain | 9 | ||
| Plantago media | Hoary Plantain | 4 | ||
| Platanthera chlorantha | Greater Butterfly-orchid | 1 | ||
| Poa annua | Annual Meadow-grass | 12 | ||
| Poa nemoralis | Wood Meadow-grass | 2 | ||
| Poa pratensis | Smooth Meadow-grass | 3 | ||
| Poa trivialis | Rough Meadow-grass | 7 | ||
| Polemonium caeruleum | Jacob's-ladder | 1 | Garden origin | |
| Polygonum arenastrum | Equal-leaved Knotgrass | 1 | ||
| Polygonum aviculare | Knotgrass | 11 | ||
| Populus alba | White Poplar | 2 | Planted | |
| Populus nigra ssp. betulifolia | Native Black Poplar | 1 | ||
| Populus tremula | Aspen | 1 | ||
| Populus x canadensis | Black Italian Poplar | 2 | Planted | |
| Potamogeton natans | Broad-leaved Pondweed | 1 | ||
| Potentilla anserina | Silverweed | 8 | ||
| Potentilla erecta | Tormentil | 1 | ||
| Potentilla indica | Yellow-flowered Strawberry | 1 | Garden origin | |
| Potentilla reptans | Creeping Cinquefoil | 12 | ||
| Potentilla sterilis | Barren Strawberry | 1 | ||
| Primula veris | Cowslip | 10 | Some planted | |
| Primula vulgaris | Primrose | 9 | Some planted | |
| Prunella vulgaris | Selfheal | 11 | ||
| Prunus avium | Wild Cherry | 5 | Planted | |
| Prunus cerasifera | Cherry Plum | 1 | Planted | |
| Prunus domestica | Wild Plum | 5 | Planted | |
| Prunus domestica ssp. insititia | Damson | 1 | ||
| Prunus laurocerasus | Cherry Laurel | 4 | Planted | |
| Prunus lusitanica | Portugal Laurel | 1 | Planted | |
| Prunus padus | Bird Cherry | 1 | Planted | |
| Prunus serrulata | Japanese Cherry | 1 | Planted | |
| Prunus spinosa | Blackthorn | 13 | ||
| Pseudofumaria lutea | Yellow Corydalis | 6 | Garden origin | |
| Pulicaria dysenterica | Common Fleabane | 5 | ||
| Pulmonaria officinalis | Lungwort | 2 | Garden origin | |
| Pyrus communis | Pear | 2 | ||
| Quercus cerris | Turkey Oak | 3 | Planted | |
| Quercus robur | Pedunculate Oak | 9 | ||
| Quercus rubra | Red Oak | 2 | Planted | |
| Ranunculus acris | Meadow Buttercup | 11 | ||
| Ranunculus bulbosus | Bulbous Buttercup | 7 | ||
| Ranunculus flammula | Lesser Spearwort | 2 | ||
| Ranunculus lingua | Greater Spearwort | 2 | ||
| Ranunculus parviflora | Small-flowered Buttercup | 1 | Planted | |
| Ranunculus repens | Creeping Buttercup | 11 | ||
| Ranunculus trichophyllus | Three-leaved Water-crowfoot | 1 | ||
| Reseda lutea | Wild Mignonette | 1 | ||
| Reseda luteola | Weld | 1 | ||
| Rhamnus cathartica | Buckthorn | 2 | ||
| Rhinanthus minor | Yellow-rattle | 3 | ||
| Rhododendron ponticum | Rhododendron | 1 | ||
| Rosa canina agg. | Dog Rose(s) | 13 | ||
| Rosa multiflora | Many-flowered Rose | 1 | Planted | |
| Rosa rugosa | Japanese Rose | 1 | Planted | |
| Rubus caesius | Dewberry | 2 | ||
| Rubus fruticosus agg. | Bramble(s) | 14 | ||
| Rumex acetosa | Common Sorrel | 7 | ||
| Rumex acetosella | Sheep's Sorrel | 1 | ||
| Rumex crispus | Curled Dock | 6 | ||
| Rumex hydrolapathum | Water Dock | 3 | ||
| Rumex obtusifolius | Broad-leaved Dock | 11 | ||
| Rumex pulcher | Fiddle Dock | 1 | ||
| Rumex sanguineus | Wood Dock | 4 | ||
| Sagina apetala | Annual Pearlwort | 1 | ||
| Sagina procumbens | Procumbent Pearlwort | 4 | ||
| Salix alba | White Willow | 2 | Planted | |
| Salix caprea | Goat Willow | 2 | ||
| Salix cinerea | Grey Willow | 1 | ||
| Salix fragilis | Crack Willow | 3 | ||
| Salix viminalis | Osier | 2 | ||
| Salix x sepulcralis | Weeping Willow | 3 | Planted | |
| Salvia verbenaca ssp. horminoides | Wild Clary | 1 | ||
| Sambucus nigra | Elder | 12 | ||
| Sanicula europaea | Sanicle | 1 | ||
| Saponaria officinalis | Soapwort | 2 | Garden origin | |
| Schedonorus arundinaceus | Tall Fescue | 3 | ||
| Schedonorus giganteus | Giant Fescue | 1 | ||
| Schoenoplectus lacustris | Common Club-rush | 3 | ||
| Scilla forbesii | Glory-of-the-snow | 1 | Garden origin | |
| Scorzoneroides autumnalis | Autumn Hawkbit | 3 | ||
| Scrophularia auriculata | Water Figwort | 2 | ||
| Scrophularia nodosa | Common Figwort | 3 | ||
| Scutellaria galericulata | Skullcap | 3 | ||
| Sedum acre | Biting Stonecrop | 1 | ||
| Sedum rupestre | Reflexed Stonecrop | 3 | ||
| Sedum spurium | Caucasian Stonecrop | 1 | Garden origin | |
| Senecio erucifolius | Hoary Ragwort | 5 | ||
| Senecio jacobaea | Common Ragwort | 10 | ||
| Senecio squalidus | Oxford Ragwort | 2 | ||
| Senecio vulgaris | Groundsel | 14 | ||
| Sherardia arvensis | Field Madder | 1 | ||
| Silene dioica | Red Campion | 10 | ||
| Silene flos-cuculi | Ragged-Robin | 6 | ||
| Silene latifolia ssp. alba | White Campion | 1 | ||
| Silene vulgaris | Bladder Campion | 1 | ||
| Silene x hampeana | Hybrid Campion | 2 | ||
| Silybum marianum | Milk Thistle | 1 | ||
| Sinapis arvensis | Charlock | 5 | ||
| Sison amomum | Stone Parsley | 3 | ||
| Sisymbrium officinale | Hedge Mustard | 7 | ||
| Solanum dulcamara | Bittersweet | 12 | ||
| Solanum nigrum | Black Nightshade | 1 | ||
| Soleirolia soleirolii | Mind-your-own-business | 1 | Garden origin | |
| Solidago canadensis | Canadian Goldenrod | 1 | ||
| Sonchus arvensis | Perennial Sow-thistle | 4 | ||
| Sonchus asper | Prickly Sow-thistle | 9 | ||
| Sonchus oleraceus | Smooth Sow-thistle | 10 | ||
| Sorbus aria | Whitebeam | 2 | Planted | |
| Sorbus intermedia | Swedish Whitebeam | 2 | Planted | |
| Sparganium erectum | Branched Bur-reed | 5 | ||
| Stachys palustris | Marsh Woundwort | 2 | ||
| Stachys sylvatica | Hedge Woundwort | 9 | ||
| Stellaria alsine | Bog Stitchwort | 1 | ||
| Stellaria graminea | Lesser Stitchwort | 4 | ||
| Stellaria holostea | Greater Stitchwort | 3 | ||
| Stellaria media | Common Chickweed | 13 | ||
| Symphoricarpos albus | Snowberry | 6 | Planted | |
| Symphoricarpos x chenaultii | Hybrid Coralberry | 1 | Planted | |
| Symphytum officinale | Common Comfrey | 1 | ||
| Symphytum orientale | White Comfrey | 2 | Garden origin | |
| Symphytum x uplandicum | Russian Comfrey | 2 | ||
| Syringa vulgaris | Lilac | 1 | Garden origin | |
| Tamus communis | Black Bryony | 5 | ||
| Tanacetum parthenium | Feverfew | 5 | Garden origin | |
| Tanacetum vulgare | Tansy | 2 | ||
| Taraxacum officinale agg. | Dandelion(s) | 19 | ||
| Thlaspi arvense | Field Penny-cress | 1 | ||
| Thymus polytrichus | Wild Thyme | 1 | ||
| Tilia x europaea | Lime | 7 | Planted | |
| Torilis japonica | Upright Hedge-parsley | 7 | ||
| Tragopogon pratensis | Goat's-beard | 4 | ||
| Trifolium campestre | Hop Trefoil | 1 | ||
| Trifolium dubium | Lesser Trefoil | 10 | ||
| Trifolium pratense | Red Clover | 13 | ||
| Trifolium repens | White Clover | 14 | ||
| Tripleurospermum inodorum | Scentless Mayweed | 3 | ||
| Tussilago farfara | Colt's-foot | 7 | ||
| Typha angustifolia | Lesser Bulrush | 1 | ||
| Typha latifolia | Bulrush | 10 | ||
| Ulex europaeus | Gorse | 2 | ||
| Ulmus procera | English Elm | 8 | ||
| Ulmus x hollandica | Dutch Elm | 1 | ||
| Urtica dioica | Stinging Nettle | 18 | ||
| Urtica urens | Small Nettle | 1 | ||
| Valerianella locusta | Common Cornsalad | 1 | ||
| Verbascum thapsus | Great Mullein | 4 | ||
| Verbena officinalis | Vervain | 1 | Garden origin | |
| Veronica agrestis | Green Field-speedwell | 1 | ||
| Veronica anagallis-aquatica | Blue Water-speedwell | 1 | ||
| Veronica arvensis | Wall Speedwell | 4 | ||
| Veronica beccabunga | Brooklime | 4 | ||
| Veronica chamaedrys | Germander Speedwell | 13 | ||
| Veronica filiformis | Slender Speedwell | 4 | ||
| Veronica hederifolia | Ivy-leaved Speedwell | 8 | ||
| Veronica montana | Wood Speedwell | 1 | ||
| Veronica persica | Common Field-speedwell | 10 | ||
| Veronica serpyllifolia | Thyme-leaved Speedwell | 5 | ||
| Viburnum lantana | Wayfaring Tree | 1 | ||
| Viburnum opulus | Guelder Rose | 2 | Some planted | |
| Vicia cracca | Tufted Vetch | 6 | ||
| Vicia hirsuta | Hairy Tare | 4 | ||
| Vicia sativa ssp. segetalis | Common Vetch | 10 | ||
| Vicia tetrasperma | Smooth Tare | 5 | ||
| Vinca major | Greater Periwinkle | 3 | Garden origin | |
| Vinca minor | Lesser Periwinkle | 1 | Garden origin | |
| Viola arvensis | Field Pansy | 2 | ||
| Viola hirta | Hairy Violet | 1 | ||
| Viola odorata | Sweet Violet | 14 | ||
| Viola riviniana | Common Dog-violet | 5 | ||
| Viscum album | Mistletoe | 2 | ||
| Vulpia bromoides | Squirreltail Fescue | 3 | ||
| CONIFERS | ||||
| Scientific Name | Common Name | Tetrads | Garden | |
| Pinus sylvestris | Scots Pine | 4 | Planted | |
| Pinus wallichiana | Bhutan Pine | 1 | Planted | |
| Taxus baccata | Yew | 5 | ||
| HORSETAILS & FERNS | ||||
| Scientific Name | Common Name | Tetrads | Garden | |
| Asplenium scolopendrium | Hart's-tongue Fern | 1 | ||
| Dryopteris carthusiana | Narrow Buckler-fern | 1 | ||
| Dryopteris dilatata | Broad-buckler Fern | 1 | ||
| Dryopteris filix-mas | Male-fern | 2 | ||
| Equisetum arvense | Field Horsetail | 6 | ||
| Equisetum telmateia | Great Horsetail | 1 | ||
| MOSSES | ||||
| Scientific Name | Common Name | |||
| Amblystegium serpens | Creeping Feather-moss | |||
| Atrichum undulatum | Common Smoothcap | |||
| Barbula convoluta | Lesser Bird's-claw Screw-moss | |||
| Barbula unguiculata | Bird's-claw Beard-moss | |||
| Brachythecium rutabulum | Rough-stalked Feather-moss | |||
| Bryum argenteum | Silver-moss | |||
| Bryum bicolor | Bicoloured Bryum | |||
| Bryum capillare | Capillary Thread-moss | |||
| Calliergonella cuspidata | Pointed Spear-moss | |||
| Eurhynchium crassinervium | Beech Feather-moss | |||
| Eurhynchium hians | Swartz's Feather-moss | |||
| Eurhynchium praelongum | Common Feather-moss | |||
| Didymodon sinuosus | Wavy Beard-moss | |||
| Eurhynchium pumilum | Dwarf Feather-moss | |||
| Eurhynchium striatum | Lesser Striated Feather-moss | |||
| Fissidens taxifolius | Common Pocket-moss | |||
| Fissidens viridulus | Green Pocket-moss | |||
| Fumaria hygrometrica | Common Cord-moss | |||
| Grimmia pulvinata | Grey-cushioned Grimmia | |||
| Hypnum cupressiforme | Cypress-leaved Plait-moss | |||
| Pohlia wahlenbergii | Pale Glaucous Thread-moss | |||
| Rhytidiadelphus squarrosus | Springy Turf-moss | |||
| Scleropodium purum | Neat Feather-moss | |||
| Thuidium tamarscinum | Common Tamarisk-moss | |||
| Tortula muralis | Wall Screw-moss | |||
| LIVERWORTS | ||||
| Scientific Name | Common Name | |||
| Lunaria cruciata | Crescent-cup Liverwort | |||
| Marchantia polymorpha | Common Liverwort | |||