Not Established

	Common name (English)
Anethum graveolens	Dill
Anredera cordifolia	Madeira-vine; mignonette vine; Cordate-leaved Anredera
Antirrhinum majus	Snapdragon
Aphomia sabella	Large Date Moth
Aphytis holoxanthus
Araucaria araucana	Chile pine
Araucaria heterophylla	Norfolk Island pine
Archiboehmeria nivea
Argas persicus	fowl tick, poultry tick
Arothron hispidus	Broadbarred toadfish, Broad Barred Puffer
Artedia squamata	Madonna flower
Artemisia annua	Annual Mugwort
Artemisia arborescens	Tree wormwood, Shrubby wormwood, Hedge Artemisia
Artemisia verlotiorum	Chinese mugwort
Asclepias curassavica	Mexican butterfly weed, Ipecacuanha
Asclepias syriaca	Broadleaf Milkweed
Asparagopsis armata	Harpoon weed
Asparagus asparagoides	Bridal Asparagus
Asparagus officinalis	Garden asparagus, Sparrow Grass
Asparagus plumosus	asparagus-fern