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