Abelia
Aberdeen Dewberry
Acicarpha
Acidswamp Yelloweyed Grass
Acuba
Adam And Eve
Addersmeat
Adderstongue
Adlumia
African Dodder
Agrimony
Agueweed
Ailanthus
Airplant
Alabama Cherry
Alabama Lipfern
Alabama Serviceberry
Alabama Supplejack
Albizia
Alder
Alfalfa
Allegheny Blackberry
Allegheny Brookfoam
Allegheny Hawkweed
Allegheny Monkeyflower
Allegheny Mountain Buttercup
Allegheny Mountain Goldenbanner
Allegheny Onion
Allegheny Plum
Allegheny Serviceberry
Allegheny Stonecrop
Allegheny Vine
Allegheny-spurge
Alliaria
Alligatorweed
Aloe Yucca
Alpine Violet
Alsike Clover
Alternateleaf Dogwood
Alumroot
Amberique-bean
American Alumroot
American Barberry
American Basswood