Abies alba
European Silver-fir
Abies grandis
Giant Fir
Abies procera
Noble Fir
Acer campestre
Field Maple
Acer platanoides
Norway Maple
Acer pseudoplatanus
Sycamore
Achillea millefolium
Yarrow
Achillea ptarmica
Sneezewort
Aconitum napellus
Monk's-hood
Aconitum x stoerkianum
Hybrid Monk's-hood
Adansonia digitata
African Baobab
Adiantum capillus-veneris
Maidenhair Fern
Adiantum caudatum
Tailed Maidenhair
Adoxa moschatellina
Moschatel
Aegopodium podagraria
Ground-elder
Aesculus hippocastanum
Horse-chestnut
Agave demeesteriana
Agrimonia eupatoria
Agrimony
Agrimonia procera
Fragrant Agrimony
Agrostis capillaris
Common Bent
Aira praecox
Early Hair-grass
Ajuga reptans
Bugle
Alcea rosea
Hollyhock
Alchemilla alpina
Alpine Lady's-mantle
Alchemilla filicaulis
Hairy Lady's-mantle
Alchemilla glabra
Smooth Lady's-mantle
Alisma lanceolatum
Narrow-leaved Water-plantain
Alisma plantago-aquatica
Water-plantain
Alliaria petiolata
Garlic Mustard
Allium ampeloprasum
Allium siculum
Honey Garlic
Allium triquetrum
Three-cornered Garlic
Allium ursinum
Ramsons
Allium vineale
Wild Onion
Alnus glutinosa
Alder
Alocasia macrorrhizos
Giant Taro
Alopecurus geniculatus
Marsh Foxtail
Alstonia pneumatophora
Marsh Pulai
Althaea officinalis
Marsh-mallow
Alysicarpus ovalifolius
Alyce Clover
Amanita muscaria
Fly Agaric
Ammophila arenaria
Marram
Anacamptis morio
Green-winged Orchid
Anacamptis pyramidalis
Pyramidal Orchid
Anaphalis margaritacea
Pearly Everlasting
Andromeda polifolia
Bog-rosemary
Anemone nemorosa
Wood Anemone
Anemone sylvestris
Snowdrop Anemone
Angelica sylvestris
Wild Angelica
Antennaria dioica
Mountain Everlasting
Anthemis cotula
Stinking Chamomile
Anthriscus caucalis
Bur Chervil
Anthriscus sylvestris
Cow Parsley
Anthyllis vulneraria
Kidney Vetch
Antirrhinum majus
Snapdragon
Aphanes arvensis
Parsley-piert
Aphanes australis
Slender Parsley-piert
Aquilegia vulgaris
Columbine
Arabidopsis petraea
Northern Rock-cress
Arabidopsis thaliana
Thale Cress
Arabis caucasica
Garden Arabis
Arabis hirsuta
Hairy Rock-cress
Araucaria araucana
Monkey-puzzle
Arbutus unedo
Strawberry-tree
Arctium lappa
Greater Burdock
Arctium minus
Lesser Burdock
Arenaria serpyllifolia
Armeria maritima
Thrift
Armoracia rusticana
Horse-radish
Artocarpus odoratissimus
Merang