Acampe pachyglossa 
Acarina-like Lepanthes 
Acostaea costaricensis 
Aerangis citrata 
Aerangis decaryana 
Aerangis ellisii 
Aeranthes adenopoda 
Aeranthes aemula 
Aeranthes antennophora 
Aeranthes ramosa 
Aerides multiflorum 
Aerides odorata 
Anacamptis boryi 
Anacamptis coriophora 
Anacamptis israelitica 
Anacamptis longicornu 
Anacamptis morio syriaca 
Anacamptis sancta 
Anacamptis x feinbruniane 
Anacheilium fragrans 
Anatolian Orchid 
Ancamptis palustris 
Andre's Epidendrum 
Angraecum calceolus