Aaronsohnia factorovskyi 
Acantholepis orientalis 
Achillea aleppica 
Achillea arabica 
Achillea cretica 
Achillea falcata 
Achillea fragrantissima 
Achyrocline saturejoides 
Adenostyles alpina 
Aetheopappus pulcherrimus 
Aldama grandiflora 
Alkali Goldenbush 
Alpine Coltsfoot 
Alpine lake false dandelion 
Alpine Sunflower 
American Basketflower 
American Burnweed 
American Saw-wort 
American trailplant 
Anacyclus clavatus 
Anacyclus nigellifolius 
Andean Rosemary 
Andryala glandulosa 
Annual fleabane