Eremurus libanoticus 
Eremurus spectabilis 
Eria coronaria 
Eria pauciflora 
Erycina crista-galli 
eulophia speciosa 
Eurystyles cotyledon 
Fairy orchid 
Fairy Star 
False musk orchid 
False Sisal 
Fan-lipped Orchid 
Farmers dendrobium 
Feathery false lily of the valley 
Fen Orchid 
Fernandezia crystallina 
Fernandezia ionanthera 
Fernandezia subbiflora 
Fessia vvedenskyi 
Filamentous Lepanthes 
Fire-star Orchid 
Firecracker Flower 
Fissia picturata 
Flat Plane Dendrochilum