Absinthium          

Acacia          

Acinos          

Adam And Eve          

Adderstongue          

Agrimony          

Agueweed          

Ailanthus          

Alabama Lipfern          

Alabama Snow-wreath          

Alabama Supplejack          

Albizia          

Alder          

Alfalfa          

Alkali Buttercup      

Alkali Sacaton      

Alkali Yellowtops          

Alkaligrass          

Allegheny Blackberry      

Allegheny Monkeyflower          

Alliaria          

Alligator-flag          

Alsike Clover      

Alternateleaf Dogwood      

Alumroot          

Amazon Sprangletop          

Amberique-bean          

American Alumroot          

American Barberry          

American Basswood      

American Beakgrain          

American Beautyberry      

American Beech      

American Bellflower      

American Bittercress          

American Bittersweet      

American Black Currant      

American Black Elderberry      

American Black Nightshade          

American Bladdernut          

American Bluehearts          

American Buckwheat Vine          

American Bugseed          

American Bur-reed