Absinthium
Adam And Eve
Adderstongue
Adlumia
Adoxa
Aethusa
African Mustard
Agrimony
Agueweed
Ailanthus
Alabama Supplejack
Albizia
Alder
Alfalfa
Alkali Buttercup
Alkaligrass
Allegheny Blackberry
Allegheny Monkeyflower
Allegheny Serviceberry
Allegheny Stonecrop
Allegheny Vine
Alliaria
Alligator-flag
Alligatorweed
Alpine Violet
Alsike Clover
Alternateleaf Dogwood
Alumroot
Amazon Sprangletop
Amberboa
Amberique-bean
American Alumroot
American Barberry
American Basswood
American Beachgrass
American Beakgrain
American Beech
American Bellflower
American Bittersweet
American Black Currant
American Black Elderberry
American Bladdernut
American Bluehearts
American Buckwheat Vine