Anthoxanthum odoratum
Sweet Vernal-grass
Anthriscus sylvestris
Cow Parsley
Anthyllis vulneraria
Kidney Vetch
Antirrhinum majus
Snapdragon
Aquilegia vulgaris
Columbine
Arabidopsis petraea
Northern Rock-cress
Arabis scabra
Bristol Rock-cress
Arbutus unedo
Strawberry-tree
Armeria maritima
Thrift
Armoracia rusticana
Horse-radish
Arrhenatherum elatius
False Oat-grass
Artemisia vulgaris
Mugwort
Arum italicum
Italian Lords-and-Ladies
Arum maculatum
Lords-and-Ladies
Asparagus officinalis
Garden Asparagus
Asperula cynanchica
Squinancywort
Asplenium adiantum-nigrum
Black Spleenwort
Asplenium ceterach
Rustyback
Asplenium marinum
Sea Spleenwort
Asplenium onopteris
Irish Spleenwort
Asplenium ruta-muraria
Wall-rue
Asplenium scolopendrium
Hart's-tongue
Asplenium septentrionale
Forked Spleenwort
Asplenium trichomanes
Maidenhair Spleenwort