Allium senescens
Allium senescens subsp. montanum
Allium schoenoprasum
Allium sp.
Allium strictum
Allium ursinum
Allium ursinum subsp. ucrainicum
Allium ursinum subsp. ursinum
Allium victorialis
Allium vineale
Alnus glutinosa
Alnus incana
Alopecurus aequalis
Alopecurus geniculatus
Alopecurus myosuroides
Alopecurus pratensis
Althaea armeniaca
Althaea officinalis
Alyssum alyssoides
Alyssum montanum
Alyssum montanum subsp. gmelinii
Amaranthus × ozanonii
Amaranthus albus
Amaranthus blitum
Amaranthus bouchonii
Amaranthus caudatus
Amaranthus cruentus
Amaranthus deflexus
Amaranthus hybridus
Amaranthus hypochondriacus
Amaranthus powellii
Amaranthus retroflexus
Amaranthus sp.
Ambrosia artemisiifolia
Ambrosia psilostachya
Amelanchier alnifolia
Amorpha fruticosa
Anacamptis morio
Anacamptis pyramidalis
Anagallis arvensis
Anagallis arvensis f. arvensis
Anagallis arvensis f. caerulea
Anagallis foemina
Anaphalis margaritacea
Andromeda polifolia
Androsace elongata
Anemonastrum narcissiflorum
Anemone nemorosa
Anemone ranunculoides
Anemone sp.
Anethum graveolens
Angelica sylvestris
Angelica sylvestris subsp. sylvestris
Anchusa officinalis
Antennaria dioica
Anthemis arvensis
Anthemis cotula
Anthemis ruthenica
Anthemis tinctoria
Anthemis tinctoria subsp. subtinctoria
Anthericum ramosum
Anthoxanthum alpinum
Anthoxanthum aristatum
Anthoxanthum odoratum
Anthriscus caucalis
Anthriscus cerefolium
Anthriscus cerefolium var. trichocarpus
Anthriscus nitidus
Anthriscus sylvestris
Anthyllis vulneraria
Anthyllis vulneraria subsp. pseudovulneraria
Antirrhinum majus
Apera spica-venti
Aphanes arvensis
Aquilegia vulgaris
Arabidopsis arenosa
Arabidopsis arenosa subsp. arenosa
Arabidopsis arenosa subsp. borbasii
Arabidopsis halleri
Arabidopsis thaliana
Arabis caucasica
Arabis glabra
Arabis hirsuta
Arabis hirsuta agg.
Arabis nemorensis
Aralia elata
Arctium × ambiguum
Arctium × maassii
Arctium lappa
Arctium minus
Arctium nemorosum
Arctium sp.
Arctium tomentosum
Aremonia agrimonoides
Arenaria serpyllifolia
Arenaria serpyllifolia agg.
Aristolochia clematitis
Armeria elongata
Armoracia rusticana
Arnoseris minima
Aronia melanocarpa
Arrhenatherum elatius
Artemisia absinthium
Artemisia campestris
Artemisia scoparia
Artemisia tournefortiana
Artemisia verlotiorum
Artemisia vulgaris
Arum cylindraceum
Aruncus dioicus
Asarum europaeum
Asclepias syriaca
Asparagus officinalis
Asperugo procumbens
Asperula cynanchica
Asplenium adulterinum
Asplenium cuneifolium
Asplenium ruta-muraria
Asplenium scolopendrium
Asplenium septentrionale
Asplenium trichomanes
Asplenium trichomanes subsp. pachyrachis
Asplenium trichomanes subsp. quadrivalens
Asplenium trichomanes subsp. trichomanes
Asplenium viride
Aster amellus
Aster sp.
Astragalus cicer
Astragalus glycyphyllos
Astrantia major
Athyrium distentifolium
Athyrium filix-femina
Atocion armeria
Atriplex hortensis
Atriplex micrantha
Atriplex oblongifolia
Atriplex patula
Atriplex prostrata
Atriplex prostrata subsp. latifolia
Atriplex sagittata
Atriplex sp.
Atriplex tatarica
Atropa bella-donna
Aubrieta deltoidea
Aurinia saxatilis
Avena fatua
Avena sativa
Avenella flexuosa
Azolla filiculoides