Aristolochia clematitis
Birthwort
Armeria maritima
Thrift
Armoracia rusticana
Horse-radish
Arrhenatherum elatius
False Oat-grass
Artemisia vulgaris
Mugwort
Arthropodium candidum
Forest#Floor Lily
Arum maculatum
Lords-and-Ladies
Aruncus dioicus
Buck's-beard
Arundina graminifolia
Bamboo Orchid
Asarina procumbens
Trailing Snapdragon
Asparagus verticillatus
Climbing Asparagus
Asperula cynanchica
Squinancywort
Asphodelus albus
White Asphodel
Asphodelus fistulosus
Hollow-stemmed Asphodel
Astragalus glycyphyllos
Wild Liquorice
Astrantia major
Astrantia
Asystasia gangetica
Chinese Violet
Atriplex halimus
Shrubby Orache
Atriplex laciniata
Frosted Orache
Atriplex littoralis
Grass-leaved Orache
Atriplex portulacoides
Sea-purslane
Atriplex prostrata
Spear-leaved Orache
Atropa belladonna
Deadly Nightshade
Aubrieta deltoidea
Aubretia