Abelmoschus esculentus
Okra
Abies koreana
Korean Fir
Abutilon
Acaena ovalifolia
Two-spined Acaena
Acalypha hispida
Chenille Plant
Acanthus eminens
Milk Plant
Acanthus ilicifolius
Holly-leaved Acanthus
Acer campestre
Field Maple
Acer platanoides
Norway Maple
Acer pseudoplatanus
Sycamore
Achillea millefolium
Yarrow
Achillea ptarmica
Sneezewort
Aconitum napellus
Monk's-hood
Acrostichum aureum
Golden Leather Fern
Adiantum capillus-veneris
Maidenhair Fern
Adiantum venustum
Himalayan Maidenhair Fern
Adonidia merrillii
Manila Palm
Adonis annua
Pheasant's-eye
Adoxa moschatellina
Moschatel
Aechmea caudata
Aegopodium podagraria
Ground-elder
Aeschynomene americana
Shyleaf
Aesculus hippocastanum
Horse-chestnut
Aethusa cynapium
Fool's Parsley
Agave sisalana
Sisal
Agave sisalina
Sisal
Aglaonema commutatum
Poison Dart Plant
Agrimonia eupatoria
Agrimony
Agrimonia procera
Fragrant Agrimony
Agrostemma githago
Corncockle
Alchemilla alpina
Alpine Lady's-mantle
Alchemilla filicaulis
Hairy Lady's-mantle
Alchemilla glabra
Smooth Lady's-mantle
Alchemilla mollis
Garden Lady's-mantle
Alisma lanceolatum
Narrow-leaved Water-plantain
Alisma plantago-aquatica
Water-plantain
Allamanda blanchetii
Purple Allamanda
Alliaria petiolata
Garlic Mustard
Allium trifoliatum
Hirsute Garlic
Allium triquetrum
Three-cornered Garlic
Allium ursinum
Ramsons
Alnus glutinosa
Alder
Alocasia sanderiana
Kris plant
Alopecurus pratensis
Meadow Foxtail
Alpinia purpurata
Red Ginger
Alternanthera bettzickiana
Calico-plant
Alternanthera ficoidea
Joseph's Coat
Althaea officinalis
Marsh-mallow
Amaranthus retroflexus
Common Amaranth
Ammi majus
Bullwort
Anamirta cocculus
Indian Berry
Anaphalis margaritacea
Pearly Everlasting
Andrographis paniculata
Creat
Andromeda polifolia
Bog-rosemary
Anemone nemorosa
Wood Anemone
Angelica sylvestris
Wild Angelica
Antennaria dioica
Mountain Everlasting
Anthemis arvensis
Corn Chamomile
Anthoxanthum odoratum
Sweet Vernal-grass
Anthriscus sylvestris
Cow Parsley
Anthurium hookerii
Anthurium scherzerianum
Flamingo Flower
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