Abies koreana
Korean Fir
Abies procera
Noble Fir
Abutilon
Abutilon megapotamicum
Trailing Abutilon
Acacia auriculiformis
Ear-pod Wattle
Acaena ovalifolia
Two-spined Acaena
Acer campestre
Field Maple
Acer platanoides
Norway Maple
Acer pseudoplatanus
Sycamore
Achillea ptarmica
Sneezewort
Acis autumnalis
Aconitum napellus
Monk's-hood
Adenium obesum
Desert Rose
Adiantum capillus-veneris
Maidenhair Fern
Adiantum caudatum
Tailed Maidenhair
Adonis annua
Pheasant's-eye
Adoxa moschatellina
Moschatel
Aegonychon purpureocaeruleum
Purple Gromwell
Aegopodium podagraria
Ground-elder
Aesculus hippocastanum
Horse-chestnut
Aethusa cynapium
Fool's Parsley
Agrimonia eupatoria
Agrimony
Agrimonia procera
Fragrant Agrimony
Agrostemma githago
Corncockle
Aira praecox
Early Hair-grass
Ajuga reptans
Bugle
Alchemilla filicaulis
Hairy Lady's-mantle
Alisma plantago-aquatica
Water-plantain
Allamanda blanchetii
Purple Allamanda
Allium ampeloprasum
Wild Leek
Allium schoenoprasum
Chives
Allium siculum
Honey Garlic
Allium triquetrum
Three-cornered Garlic
Allium ursinum
Ramsons
Allium vineale
Wild Onion
Alnus glutinosa
Alder
Alopecurus geniculatus
Marsh Foxtail
Amanita muscaria
Amanita rubescens
Blusher
Amaryllis belladonna
Jersey Lily
Ammi majus
Bullwort
Ammophila arenaria
Marram
Amorphophallus prainii
Voodoo Lily
Anacamptis morio
Green-winged Orchid
Anacamptis pyramidalis
Pyramidal Orchid
Anaphalis margaritacea
Pearly Everlasting
Andrographis paniculata
Creat
Andromeda polifolia
Bog-rosemary
Anemone nemorosa
Wood Anemone
Angelica archangelica
Garden Angelica
Angelica sylvestris
Wild Angelica
Antennaria dioica
Mountain Everlasting
Anthoxanthum odoratum
Sweet Vernal-grass
Anthyllis vulneraria
Kidney Vetch
Antirrhinum majus
Snapdragon
Aphanes arvensis
Parsley-piert
Aquilegia vulgaris
Columbine
Arabidopsis petraea
Northern Rock-cress
Arabidopsis thaliana
Thale Cress
Arabis hirsuta
Hairy Rock-cress
Arabis scabra
Bristol Rock-cress
Arctium lappa
Greater Burdock
Arctium nemorosum
Wood Burdock
Aristolochia clematitis
Birthwort
Armeria maritima
Thrift
Armoracia rusticana
Horse-radish
Arrhenatherum elatius
False Oat-grass
Arum maculatum
Lords-and-Ladies
Arundina graminifolia
Bamboo Orchid
Asplenium ceterach
Rustyback