Alisma lanceolatum
Alisma plantago-aquatica
Alisma sp.
Alliaria petiolata
Allium carinatum
Allium cepa
Allium fistulosum
Allium oleraceum
Allium porrum
Allium sativum
Allium scorodoprasum
Allium senescens
Allium senescens subsp. montanum
Allium schoenoprasum
Allium sp.
Allium ursinum
Allium vineale
Alnus × pubescens
Alnus alnobetula
Alnus glutinosa
Alnus incana
Alopecurus aequalis
Alopecurus geniculatus
Alopecurus myosuroides
Alopecurus pratensis
Althaea officinalis
Alyssum alyssoides
Alyssum murale
Amaranthus albus
Amaranthus blitoides
Amaranthus blitum
Amaranthus caudatus
Amaranthus cruentus
Amaranthus powellii
Amaranthus retroflexus
Ambrosia artemisiifolia
Amelanchier ovalis
Amelanchier sp.
Amelanchier spicata
Ammobium alatum
Amorpha fruticosa
Anacamptis pyramidalis
Anagallis arvensis
Anaphalis margaritacea
Andromeda polifolia
Androsace elongata
Anemone nemorosa
Anemone ranunculoides
Anemone sylvestris
Anethum graveolens
Angelica sylvestris
Anchusa officinalis
Antennaria dioica
Anthemis arvensis
Anthemis cotula
Anthemis tinctoria
Anthericum liliago
Anthericum ramosum
Anthoxanthum odoratum
Anthriscus caucalis
Anthriscus cerefolium
Anthriscus cerefolium subsp. cerefolium
Anthriscus cerefolium subsp. trichosperma
Anthriscus sylvestris
Anthyllis vulneraria
Anthyllis vulneraria subsp. polyphylla
Anthyllis vulneraria subsp. pseudovulneraria
Antirrhinum majus
Apera spica-venti
Aphanes arvensis
Aphanes australis
Apium graveolens
Aquilegia vulgaris
Arabidopsis thaliana
Arabis auriculata