Ammi majus
Bullwort
Ammophila arenaria
Marram
Amorphophallus prainii
Voodoo Lily
Amsinckia micrantha
Common Fiddleneck
Anacamptis morio
Green-winged Orchid
Anacamptis pyramidalis
Pyramidal Orchid
Anaphalis margaritacea
Pearly Everlasting
Anchusa azurea
Garden Anchusa
Andrographis paniculata
Creat
Andromeda polifolia
Bog-rosemary
Androsace villosa
Hairy Androsace
Anemone nemorosa
Wood Anemone
Anemone ranunculoides
Yellow Anemone
Anemone sylvestris
Snowdrop Anemone
Angelica archangelica
Garden Angelica
Angelica sylvestris
Wild Angelica
Antennaria dioica
Mountain Everlasting
Anthemis arvensis
Corn Chamomile
Anthemis cotula
Stinking Chamomile
Anthoxanthum odoratum
Sweet Vernal-grass
Anthriscus caucalis
Bur Chervil
Anthriscus sylvestris
Cow Parsley
Anthurium andraeanum
Laceleaf
Anthurium scherzerianum
Flamingo Flower
Anthyllis vulneraria
Kidney Vetch
Antirrhinum majus
Snapdragon
Aphanes arvensis
Parsley-piert
Aquilegia alpina
Alpine Columbine
Aquilegia pyrenaica
Pyrenean Columbine
Aquilegia vulgaris
Columbine
Arabidopsis petraea
Northern Rock-cress
Arabidopsis thaliana
Thale Cress
Arabis caucasica
Garden Arabis
Arabis hirsuta
Hairy Rock-cress
Arabis scabra
Bristol Rock-cress
Arachnothryx leucophylla
Bush Pentas
Arbutus menziesii
Pacific Madrone
Arbutus sp.
Arbutus unedo
Strawberry-tree
Arctium lappa
Greater Burdock
Arctium minus
Lesser Burdock
Arctium minus sens. str.
Lesser Burdock
Arctium nemorosum
Wood Burdock
Arctium tomentosum
Woolly Burdock
Ardisia crenata
Christmas Berry
Ardisia elliptica
Coralberry
Arenaria montana
Mountain Sandwort
Arenaria serpyllifolia
Thyme-leaved Sandwort
Argemone subfusiformis
Prickly Poppy
Aristolochia clematitis
Birthwort
Armeria maritima
Thrift
Armoracia rusticana
Horse-radish
Arrhenatherum elatius
False Oat-grass
Artemisia vulgaris
Mugwort
Arthropodium candidum
Forest#Floor Lily
Arum maculatum
Lords-and-Ladies
Aruncus dioicus
Buck's-beard
Arundina graminifolia
Bamboo Orchid
Asarina procumbens
Trailing Snapdragon
Asparagus verticillatus
Climbing Asparagus
Asperula cynanchica
Squinancywort
Asphodelus albus
White Asphodel
Asphodelus fistulosus
Hollow-stemmed Asphodel
Astragalus glycyphyllos
Wild Liquorice
Astrantia major
Astrantia
Asystasia gangetica
Chinese Violet
Atriplex halimus
Shrubby Orache
Atriplex laciniata
Frosted Orache
Atriplex littoralis
Grass-leaved Orache
Atriplex portulacoides
Sea-purslane