| Plant species | Vernacular | Plant family | Status | References |
| Brachypodium sylvaticum | False Brome | Poaceae | Main | A3, A5, A6, B10, C8, D2, E25, F3, P5, T2, W12 |
| Dactylis glomerata | Cock's-foot | Poaceae | Main | A3, A5, A6, B4, B5, B9, C8, D2, E25, F3, F9, G6, G7, H3, H18, H20, H24, M4, P5, P9, S1, S7, S8, S11, S19, T2, T5, T9, W12 |
| Elytrigia repens | Common Couch | Poaceae | Main | A3, A5, A6, B4, B5, C8, F3, F9, G6, G7, H3, H18, H20, H24, M4, P5, P9, S1, S7, S8, S19, T5, T9, W12 |
| Holcus lanatus | Yorkshire-fog | Poaceae | Secondary | A3, C8, D2, F3, P5, S5, S11, T2, W12 |
| Poa nemoralis | Wood Meadow-grass | Poaceae | Secondary | A6, C8 |
| Agrostis canina | Velvet Bent | Poaceae | Egg-laying record | D3 |
| Agrostis capillaris | Common Bent | Poaceae | Egg-laying record | D3 |
| Agrostis stolonifera | Creeping Bent | Poaceae | Egg-laying record | D2 |
| Bromopsis ramosa | Hairy-brome | Poaceae | Egg-laying record | D2 |
| Festuca rubra | Red Fescue | Poaceae | Egg-laying record | D2 |
| Lolium perenne | Perennial Rye-grass | Poaceae | Egg-laying record | S5 |
| Phleum pratense | Timothy | Poaceae | Egg-laying record | D3 |
| Poa trivialis | Rough Meadow-grass | Poaceae | Egg-laying record | A6, C8, D2 |
| Poa annua | Annual Meadow-grass | Poaceae | In captivity only | A6, B4, B5, B9, C8, F2, F9, P5, S19 |
| Plant species | Vernacular | Plant family | No. records | References |
| Buddleja davidii | Butterfly-bush (Buddleia) | Buddlejaceae | 73 | 1, 2, 4, 44, 54.02, 58.01, 97, 97.1, 129 |
| Aster x salignus | Common Michaelmas-daisy | Asteraceae | 82 | 1, 4 |
| Rubus fruticosus agg. | Bramble | Rosaceae | 45 | 1, 2, 4, 12, 34, 36, 39, 97, 97.1, 101, 123, 127 |
| Sedum spectabile | Butterfly Stonecrop (Iceplant) | Crassulaceae | 31 | 6, 97, 97.1, 124, 127, 129 |
| Senecio jacobaea | Common Ragwort | Asteraceae | 29 | 1, 30, 39, 97.1, 108, 117, 127 |
| Rubus fruticosus agg.FRUIT | Bramble (fruit) (Blackberry) | Rosaceae | 25 | 1, 4, 14, 40, 113, 117, 192 |
| Hedera helix | Ivy | Araliaceae | 18 | 1, 2, 97, 97.1, 197 |
| Aster novi-belgii | Confused Michaelmas-daisy | Asteraceae | 13 | 97, 97.1 |
| Origanum vulgare | Wild Marjoram | Lamiaceae | 12 | 97.1 |
| - | (honey-dew) | - | 12 | 8, 10, 20, 30, 31, 34, 40, 46.04, 108, 113, 117, 139 |
| Eupatorium cannabinum | Hemp-agrimony | Asteraceae | 11 | 7, 97, 97.1, 117, 127 |
| Malus domestica FRUIT | Apple (fruit) | Rosaceae | 10 | 2, 97.1 |
| Mentha sp. | Mint (unspecified) | Lamiaceae | 9 | 97, 97.1, 119 |
| Taraxacum sp. | Dandelion | Asteraceae | 9 | 1, 39, 97.1, 119 |
| Calluna vulgaris | Heather | Ericaceae | 8 | 4, 97.1, 119, 124, 133 |
| Pulicaria dysenterica | Common Fleabane | Asteraceae | 8 | 1, 39, 97.1, 117 |
| - | (ground/mud/road surface) | - | 8 | 1 |
| Bellis perennis | Daisy | Asteraceae | 7 | 97.1 |
| Erysimum cheiri | Wallflower | Brassicaceae | 6 | 4, 97.1 |
| Lunaria annua | Honesty | Brassicaceae | 6 | 97, 97.1 |
| Myosotis sp. | Forget-me-not (unspecified) | Boraginaceae | 6 | 97, 97.1 |
| Ligustrum ovalifolium | Garden Privet | Oleaceae | 6 | 97, 97.1 |
| Coreopsis tinctoria | Tickseed | Asteraceae | 6 | 97.1 |
| Primula vulgaris | Primrose | Primulaceae | 5 | 97.1 |
| Fragaria x ananassa | Garden Strawberry | Rosaceae | 5 | 97.1 |
| Thymus polytrichus | Wild Thyme | Lamiaceae | 5 | 97.1 |
| Hebe x franciscana | Hedge Veronica | Scrophulariaceae | 5 | 97, 97.1 |
| Ligularia dentata | Leopardplant | Asteraceae | 5 | 97.1 |
| Helichrysum bracteatum | Everlastingflower | Asteraceae | 4 | 97.1 |
| Solidago canadensis | Canadian Goldenrod | Asteraceae | 4 | 97.1 |
| Escallonia bifida | White Escallonia | Grossulariaceae | 3 | 97.1 |
| Heliotropium arborescens | Heliotrope | Boraginaceae | 3 | 44, 97.1 |
| Lavandula x intermedia | Garden Lavender | Lamiaceae | 3 | 97.1 |
| Symphoricarpos albus | Snowberry | Caprifoliaceae | 3 | 1, 97.1 |
| Viburnum sp. | Viburnum (unspecified) | Caprifoliaceae | 3 | 97.1 |
| Dipsacus fullonum | Wild Teasel | Dipsacaceae | 3 | 97.1 |
| Scabiosa sp. | Scabious (unspecified) | Dipsacaceae | 3 | 97.1 |
| Cirsium arvense | Creeping Thistle | Asteraceae | 3 | 1 |
| Cirsium sp. | Thistle (unspecified) | Asteraceae | 3 | 119 |
| Leucanthemum x superbum | Shasta Daisy | Asteraceae | 3 | 97.1 |
| Tanacetum vulgare | Tansy | Asteraceae | 3 | 97.1 |
| Ranunculus acris | Meadow Buttercup | Ranunculaceae | 2 | 1 |
| Dianthus barbatus | Sweet-William | Caryophyllaceae | 2 | 97.1 |
| Malus domestica | Apple | Rosaceae | 2 | 97.1 |
| Ceanothus x delileanus | Ceanothus | Rhamnaceae | 2 | 97.1 |
| Ruta graveolens | Rue | Rutaceae | 2 | 97.1 |
| Heracleum sphondylium | Hogweed | Apiaceae | 2 | 1 |
| Lobelia sp. | Lobelia (unspeified) | Campanulaceae | 2 | 97.1 |
| (not given) | "other yellow Composite" | Asteraceae | 2 | 119 |
| Rudbeckia sp. | Coneflower (unspecified) | Asteraceae | 2 | 97.1 |
| Tagetes erecta | African Marigold | Asteraceae | 2 | 97.1 |
| Tagetes patula | French Marigold | Asteraceae | 2 | 97.1 |
| Tanacetum parthenium | Feverfew | Asteraceae | 2 | 97.1 |
| Montia fontana | Blinks | Portulacaceae | 1 | 97.1 |
| Dianthus sp. | Pink (unspecified) | Caryophyllaceae | 1 | 97.1 |
| Hypericum sp. | St John's-wort (unspecified) | Clusiaceae | 1 | 97.1 |
| Cardamine pratensis | Cuckooflower | Brassicaceae | 1 | 39 |
| Hesperis matronalis | Dame's-violet (Sweet Rocket) | Brassicaceae | 1 | 97.1 |
| Isatis tinctoria | Woad | Brassicaceae | 1 | 97.1 |
| Rorippa nasturtium-aquaticum | Water-cress | Brassicaceae | 1 | 97.1 |
| Hydrangea macrophylla | Hydrangea | Hydrangaceae | 1 | 1 |
| Crataegus monogyna | Hawthorn | Rosaceae | 1 | 1 |
| Pyrus communis FRUIT | Pear (fruit) | Rosaceae | 1 | 139 |
| Rubus idaeus | Raspberry | Rosaceae | 1 | 97.1 |
| Spiraea sp. | Spiraea (unspecified) | Rosaceae | 1 | 97.1 |
| Phaseolus coccineus | Runner Bean | Fabaceae | 1 | 97 |
| Trifolium pratense | Red Clover | Fabaceae | 1 | 1 |
| Epilobium hirsutum | Great Willowherb | Onagraceae | 1 | 1 |
| Euphorbia sp. | Spurge (unspecified) | Euphorbiaceae | 1 | 97.1 |
| Geranium sp. | Crane's-bill (unspecified) | Geraniaceae | 1 | 1 |
| Pelargonium x hybridum | Geranium | Geraniaceae | 1 | 97.1 |
| Tropaeolum majus | Nasturtium | Tropaeolaceae | 1 | 97.1 |
| Impatiens glandulifera | Indian Balsam (Himalayan Balsam) | Balsaminaceae | 1 | 1 |
| Anthriscus sylvestris | Cow Parsley | Apiaceae | 1 | 1 |
| Eryngium planum | Blue Eryngo | Apiaceae | 1 | 71.02 |
| Echium vulgare | Viper's-bugloss | Boraginaceae | 1 | 97.1 |
| Heliotropium sp. | Heliotrope | Boraginaceae | 1 | 127 |
| Verbena x hybrida | Verbena | Verbenaceae | 1 | 97.1 |
| Hyssopus officinalis | Hyssop | Lamiaceae | 1 | 129 |
| Rosmarinus officinalis | Rosemary | Lamiaceae | 1 | 97.1 |
| Buddleja globosa | Orange-ball-tree | Buddlejaceae | 1 | 127 |
| Buddleja x weyeriana | Weyer's Butterfly-bush | Buddlejaceae | 1 | 1 |
| Lonicera periclymenum | Honeysuckle | Caprifoliaceae | 1 | 97 |
| Sambucus nigra FRUIT | Elderberry (fruit) | Caprifoliaceae | 1 | 1 |
| Viburnum opulus | Guelder-rose | Caprifoliaceae | 1 | 97.1 |
| Centranthus ruber | Red Valerian | Valerianaceae | 1 | 97.1 |
| Knautia arvensis | Field Scabious | Dipsacaceae | 1 | 97 |
| Anaphalis margaritacea | Pearly Everlasting | Asteraceae | 1 | 71.02 |
| Argyranthemum frutescens | Marguerite | Asteraceae | 1 | 97.1 |
| Aster tripolium | Sea Aster | Asteraceae | 1 | 73.03 |
| Centaurea sp. | Knapweed (unspecified) | Asteraceae | 1 | 97.1 |
| Chrysanthemum segetum | Corn Marigold | Asteraceae | 1 | 97.1 |
| Dahlia pinnata | Dahlia | Asteraceae | 1 | 97.1 |
| Dendranthema sp. | Florist's Chrysanthemum | Asteraceae | 1 | 97.1 |
| Leontodon saxatilis | Lesser Hawkbit | Asteraceae | 1 | 109 |
| Leucanthemum vulgare | Oxeye Daisy | Asteraceae | 1 | 2 |
| Senecio aquaticus | Marsh Ragwort | Asteraceae | 1 | 1 |
| Leontodon hispidus | Rough Hawkbit | Asteraceae | 1 | 1 |
| - | (cuckoo-spit) | - | 1 | 183 |
| - | (ergot) | - | 1 | 46.04 |
| - | (honey-dew/sap) | - | 1 | 39 |
