Althaea hirsuta 
Althaea hirsuta 
Althaea ludwigii 
Althenia orientalis 
Alyogyne hakeifolia 
Alysicarpus sanjappae 
Alyssum baumgartnerianum 
Alyssum damascenum 
Alyssum dasycarpum 
Alyssum homalocarpum 
Alyssum linifolium 
Alyssum murale 
Alyssum paphlagonicum 
Alyssum simplex 
Alyssum subspinosum 
Alyssum szovitsianum 
Amazon Giant Waterlily 
Amazon Lily 
Amelanchier canadensis 
American alpine speedwell 
American alumroot 
American Basketflower 
American basswood 
American Beautyberry