Asphodleine taurica 
Aspidogyne rosea 
Astrocaryum chambira 
Atamasco lily 
Atlantic camas 
Autumn crocus 
Autumn Grape-Hyacinth 
Autumn ladys-tresses 
Autumn onion 
Autumn Squill 
Avellinia 
Avena clauda 
Avena longiglumis 
Awapuhi 
Babassu 
Baboon Flower 
Bactris riparia 
Balga 
Balkan iris 
Balkan Lizard orchid 
Baltic rush 
Bamboo orchid 
Banana yucca 
Bangalow palm