Alexandre's Sphinx 
Alexandrine parakeet 
Alfalfa 
Alfalfa Dodder 
Alfalfa Leafcutter Bee 
Alfalfa Looper 
Alfalfa Plant Bug 
Alfalfa snout beetle 
Alfalfa Webworm Moth 
Alfalfa weevil 
Alga Jania virgata 
Alga Padina australis 
Algerian Iris 
Alhagi graecorum 
Alheita pulla 
Aliaporcellana spongicola 
Aliger gigas 
Aligia meridiana 
Alkali Bluet 
Alkali Goldenbush 
Alkanet 
Alkanna cordifolia 
Alkanna galilaea 
Alkanna orientalis