Acer campestre
Field Maple
Acer platanoides
Norway Maple
Acer pseudoplatanus
Sycamore
Aconitum napellus
Monk's-hood
Aconitum x stoerkianum
Hybrid Monk's-hood
Aegonychon purpureocaeruleum
Purple Gromwell
Aegopodium podagraria
Ground-elder
Aesculus hippocastanum
Horse-chestnut
Aethusa cynapium
Fool's Parsley
Agrimonia procera
Fragrant Agrimony
Alchemilla mollis
Garden Lady's-mantle
Alliaria petiolata
Garlic Mustard
Allium ampeloprasum
Allium paradoxum
Few-flowered Garlic
Allium roseum
Rosy Garlic
Allium triquetrum
Three-cornered Garlic
Allium vineale
Wild Onion
Amaranthus retroflexus
Common Amaranth
Anaphalis margaritacea
Pearly Everlasting
Anthemis arvensis
Corn Chamomile
Anthriscus caucalis
Bur Chervil
Anthriscus sylvestris
Cow Parsley
Antirrhinum majus
Snapdragon
Aquilegia vulgaris
Columbine
Arctium lappa
Greater Burdock
Arctium minus
Lesser Burdock
Arctium minus sens. str.
Lesser Burdock
Arctium nemorosum
Wood Burdock
Armoracia rusticana
Horse-radish
Arrhenatherum elatius
False Oat-grass
Artemisia vulgaris
Mugwort
Arum italicum
Italian Lords-and-Ladies
Asparagus officinalis
Garden Asparagus
Asplenium adiantum-nigrum
Black Spleenwort
Asplenium ceterach
Rustyback
Asplenium onopteris
Irish Spleenwort
Asplenium ruta-muraria
Wall-rue
Asplenium trichomanes
Maidenhair Spleenwort
Astragalus glycyphyllos
Wild Liquorice
Atriplex prostrata
Spear-leaved Orache
Atropa belladonna
Deadly Nightshade
Ballota nigra
Black Horehound
Barbarea verna
American Winter-cress
Barbarea vulgaris
Winter-cress
Berberis vulgaris
Barberry
Blitum bonus-henricus
Good-King-Henry
Brassica napus
Oil-seed Rape
Briza maxima
Greater Quaking-grass
Bryonia dioica
White Bryony
Buxus sempervirens
Box
Calamagrostis epigejos
Wood Small-reed
Calendula officinalis
Pot Marigold
Calystegia pulchra
Hairy Bindweed
Calystegia silvatica
Large Bindweed
Campanula patula
Spreading Bellflower
Campanula persicifolia
Peach-leaved Bellflower
Campanula portenschlagiana
Adria Bellflower
Campanula poscharskyana
Trailing Bellflower
Campanula rapunculoides
Creeping Bellflower
Cardamine impatiens
Narrow-leaved Bitter-cress
Carduus crispus
Welted Thistle
Carduus tenuiflorus
Slender Thistle
Carex depauperata
Starved Wood-sedge
Carex divulsa
Grey Sedge
Carex leporina
Oval Sedge
Carex muricata
Small-fruited Prickly-sedge
Carum carvi
Caraway
Centaurea cyanus
Cornflower
Centranthus ruber
Red Valerian
Cerastium glomeratum
Sticky Mouse-ear