Anthemis cotula
Stinking Chamomile
Anthriscus caucalis
Bur Chervil
Anthriscus sylvestris
Cow Parsley
Anthyllis vulneraria
Kidney Vetch
Antigonon leptopus
Coral Vine
Antirrhinum majus
Snapdragon
Aphanamixis polystachya
Pithraj Tree
Aphanes arvensis
Parsley-piert
Aphanes arvensis agg.
Parsley-piert
Aphanes australis
Slender 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