Arbutus menziesii
Pacific Madrone
Arbutus sp.
Arbutus unedo
Strawberry-tree
Arctium lappa
Greater Burdock
Arctium minus
Lesser Burdock
Arctium minus sens. str.
Lesser Burdock
Arctium nemorosum
Wood Burdock
Arctium tomentosum
Woolly Burdock
Ardisia crenata
Christmas Berry
Ardisia elliptica
Coralberry
Arenaria montana
Mountain Sandwort
Arenaria serpyllifolia
Thyme-leaved Sandwort
Argemone subfusiformis
Prickly Poppy
Armeria maritima
Thrift
Armoracia rusticana
Horse-radish
Artemisia vulgaris
Mugwort
Artocarpus odoratissimus
Merang
Aruncus dioicus
Buck's-beard
Asarina procumbens
Trailing Snapdragon
Asperula cynanchica
Squinancywort
Astragalus glycyphyllos
Wild Liquorice
Astrantia major
Astrantia
Asystasia gangetica
Chinese Violet
Atriplex glabriuscula
Babington's Orache