Angraecum lecomtei 
Angraecum mauritianum 
Angraecum pectinatum 
Angraecum rhynchoglossum 
Angraecum rutenbergianum 
Ania penangiana 
Anoectochilus monicae 
Antennae-carrying restrepia 
Anthogonium gracile 
Aphyllorchis montana 
Aplectrum 
Appendage orchid Chacao Anacheilium 
Arachnis flos-aeris 
Arching Brassia 
Arpophyllum gigantium 
Aspasia lunata 
Aspidogyne rosea 
Autumn ladys-tresses 
Balkan Lizard orchid 
Bamboo orchid 
Barkeria spectabilis 
Birds-nest orchid 
Black bootlace orchid 
Black Orchid