Andromeda polifolia
Bog-rosemary
Anemone nemorosa
Wood Anemone
Angelica archangelica
Garden Angelica
Angelica sylvestris
Wild Angelica
Antennaria dioica
Mountain Everlasting
Anthoxanthum odoratum
Sweet Vernal-grass
Anthyllis vulneraria
Kidney Vetch
Antirrhinum majus
Snapdragon
Aphanes arvensis
Parsley-piert
Aquilegia vulgaris
Columbine
Arabidopsis petraea
Northern Rock-cress
Arabidopsis thaliana
Thale Cress
Arabis hirsuta
Hairy Rock-cress
Arabis scabra
Bristol Rock-cress
Arctium lappa
Greater Burdock
Arctium nemorosum
Wood Burdock
Aristolochia clematitis
Birthwort
Armeria maritima
Thrift
Armoracia rusticana
Horse-radish
Arrhenatherum elatius
False Oat-grass
Arum maculatum
Lords-and-Ladies
Arundina graminifolia
Bamboo Orchid
Asplenium ceterach
Rustyback
Asplenium trichomanes
Maidenhair Spleenwort