Aaronsohnia factorovskyi 
Acantholepis orientalis 
Achillea cretica 
Adenostyles alpina 
Aetheopappus pulcherrimus 
Aldama grandiflora 
Alpine lake false dandelion 
American bellflower 
American Saw-wort 
American trailplant 
Anacyclus nigellifolius 
Angled-stem Dampiera 
Annual fleabane 
Annual Ragweed 
Antennaria howellii 
Antennaria media 
Antennaria plantaginifolia 
Anthemis amblyolepis 
Anthemis pestalozzae 
Anthemis rosea 
Anthemis tomentosa 
Anvillea radiata 
Arctic sweet coltsfoot 
Argyranthemum frutescens
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