Adjutant Wainscot 
Admirable bolete 
Admiralty Island cuscus 
Adonidia merrillii 
Adonis blue 
Adonis dentata 
Adonis ladybird 
Adonis vernalis 
Adoxotoma nodosa 
Adrama austeni 
Adrapsa ablualis 
Adrapsa geometroides 
Adrapsa orgyoides 
Adrisa magna 
Adrisa sepulchralis 
Adscita obscura 
Aechmea apocalyptica 
Aechmea bracteata 
Aechmea dichlamydea 
Aechmea gamosepala 
Aechmea latifolia 
Aechmea poitaei 
Aechmea stenosepala 
Aechmea tillandsioides