| 
Aristolochia clematitis Aristolochia contorta Aristolochia durior Aristolochia macrophylla Aristolochia manshuriensis  | 
Asarum arifolium Asarum canadense Asarum europaeum Asarum himalaycum Asarum intermedium  | 
Asarum sieboldii Hexastylis virginica  |