Acantholimon libanoticum 
Agathophora alopecuroides 
Aizoanthemum hispanicum 
Allionia incarnata 
Allochrusa versicolor 
Alternanthera Reineckii 
Amaranthus tricolor 
American Pokeweed 
American tearthumb 
Anacampseros albissima 
Angular Sea-fig 
Ankyropetalum gypsophiloides 
Annual gypsophila 
Arborescent pricklypear 
arenaria montana 
Argentine Pricklypear 
Armeria welwitschii 
Arrow-leaf buckwheat 
Astrophytum myriostigma 
Atraphaxis billardierei 
Atraphaxis billardieri 
Atraphaxis spinosa 
Atriplex dimorphostegia 
Atriplex leucoclada