Acacia
Achicoria Azul
Acute Spikerush
Adderstongue
Adonis Blazingstar
African Bermudagrass
African Dogstooth Grass
African Feathergrass
African Liverseed Grass
African Mustard
African Plume
African Tamarisk
Agave
Agdestis
Agrimony
Ailanthus
Air Yam
Airplant
Alabama Blazing Star
Alabama Croton
Alabama Lipfern
Alabama Supplejack
Albizia
Alder
Alderleaf Mountain Mahogany
Alfalfa
Algerita
Alhagi
Alkali Buttercup
Alkali Mallow
Alkali Sacaton
Alkali Sandmat
Alkali Sunflower
Alkali Swainsonpea
Alkali Yellowtops
Alkaliweed
Allegheny Monkeyflower
Allenrolfea
Allicoche Hedgehog Cactus
Alligator Juniper
Alligator-flag
Alligatorweed
Allthorn
Aloe