Abbeville Iris
Acacia
Acidswamp Yelloweyed Grass
Adderstongue
Adzuki Bean
African Tamarisk
Agave
Agrimony
Agropogon
Ailanthus
Air Yam
Airplant
Alabama Blazing Star
Alabama Lipfern
Alabama Supplejack
Albizia
Alder
Alfalfa
Algal Bulrush
Allegheny Monkeyflower
Allegheny Stonecrop
Allegheny-spurge
Alligator-flag
Alligatorweed
Aloe Yucca
Alophia
Alsike Clover
Alumroot
Amamastla
Amaryllis
Amazon Sprangletop
Amberique-bean
American Alumroot
American Basswood
American Beautyberry
American Beech
American Bellflower
American Bittersweet
American Black Elderberry
American Black Nightshade
American Bladdernut
American Bluehearts
American Buckwheat Vine
American Bur-reed