Angled lobelia 
Angled-stem Dampiera 
Annual fleabane 
Annual Hyoseris 
Annual Ragweed 
Annual Sumpweed 
Antennaria dioica 
Antennaria howellii 
Antennaria media 
Antennaria plantaginifolia 
Anthemis amblyolepis 
Anthemis eliezrae 
Anthemis haussknechtii 
Anthemis hebronica 
Anthemis leucanthemifolia 
Anthemis melampodina 
Anthemis pauciloba 
Anthemis pestalozzae 
Anthemis philistaea 
Anthemis philistea 
Anthemis rascheyana 
Anthemis rosea 
Anthemis tenuicarpa 
Anthemis tigreensis