Abies alba
European Silver-fir
Abies grandis
Giant Fir
Abies procera
Noble Fir
Acaena ovalifolia
Two-spined Acaena
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
Adiantum capillus-veneris
Maidenhair Fern
Adoxa moschatellina
Moschatel
Aegonychon purpureocaeruleum
Purple Gromwell
Aegopodium podagraria
Ground-elder
Aesculus hippocastanum
Horse-chestnut
Aeshna mixta
Migrant Hawker Dragonfly
Aethusa cynapium
Fool's Parsley
Agaricus campestris
Field Mushroom
Agelena labyrinthica
Labyrinth Spider
Agrimonia eupatoria
Agrimony
Agrimonia procera
Fragrant Agrimony
Agrostemma githago
Corncockle
Agrostis capillaris
Common Bent
Aira caryophyllea
Silver Hair-grass
Aira praecox
Early Hair-grass
Ajuga chamaepitys
Ground-pine
Ajuga reptans
Bugle
Alcea rosea
Hollyhock
Alchemilla alpina
Alpine Lady's-mantle
Alchemilla filicaulis
Hairy Lady's-mantle
Alchemilla glabra
Smooth Lady's-mantle
Alchemilla mollis
Garden Lady's-mantle
Alchemilla xanthochlora
Intermediate Lady's-mantle
Alisma lanceolatum
Narrow-leaved Water-plantain
Alisma plantago-aquatica
Water-plantain
Alliaria petiolata
Garlic Mustard
Allium ampeloprasum
Allium paradoxum
Few-flowered Garlic
Allium roseum
Rosy Garlic
Allium schoenoprasum
Chives
Allium siculum
Honey Garlic
Allium trifoliatum
Hirsute Garlic
Allium triquetrum
Three-cornered Garlic
Allium ursinum
Ramsons
Allium vineale
Wild Onion
Alnus cordata
Italian Alder
Alnus glutinosa
Alder
Alopecurus aequalis
Orange Foxtail
Alopecurus geniculatus
Marsh Foxtail
Alopecurus pratensis
Meadow Foxtail
Althaea officinalis
Marsh-mallow
Amanita fulva
Tawny Grisette
Amanita muscaria
Amanita rubescens
Blusher
Amaranthus hybridus
Green Amaranth
Amaranthus retroflexus
Common Amaranth
Ambrosia artemisiifolia
Ragweed
Ammophila arenaria
Marram
Amsinckia micrantha
Common Fiddleneck
Anacamptis morio
Green-winged Orchid
Anacamptis pyramidalis
Pyramidal Orchid
Anaphalis margaritacea
Pearly Everlasting
Andromeda polifolia
Bog-rosemary
Anemone nemorosa
Wood Anemone
Angelica sylvestris
Wild Angelica
Anomodon viticulosus
Rambling Tail-moss
Antennaria dioica
Mountain Everlasting
Anthemis arvensis
Corn Chamomile
Anthemis cotula
Stinking Chamomile