Armeria macrophylla 
Armeria pseudoarmeria 
Armeria welwitschii 
Armigeres subalbatus 
Armillaria gemina 
Armillaria nabsnona 
Armillaria sinapina 
Armillaria solidipes 
Armina magna 
Armina neapolitana 
Armored Pricklenape 
Army cutworm 
Armyworm Parasitoid Wasp 
Arna bipunctapex 
Arnebia coerulea 
Arnebia hispidissima 
Arnebia linearifolia 
Arnebia tinctoria 
Arnica latifolia 
Arnica parryi 
Arnobia pilipes 
Arnobia trichopus 
Arnold's Fringe-fingered Lizard 
Arocera apta