Lacaena
Laelia
Laelichilis
Laeliocattleya
Laeliopsis
Lanium
Lankesterella
Lankesteriana
Larnandra
Lathrisia
Latourea
Latourorchis
Leaoa
Lecanorchis
Lectandra
Ledgeria
Leioanthum
Lemboglossum
Lemuranthe
Lemurella
Lemurorchis
Leochilus
Leopardanthus
Lepanopsis
Lepanthes
Lepanthopsis
Lepervenchea
Lepidogyne
Leporella
Leptocentrum
Leptoceras
Leptorkis
Leptotes
Lequeetia
Lesliea
Lesliegraecum
Leucadenia
Leucerminium
Leucohyle
Leucorchis
Leucostachys
Leucotella
Lichenora
Lichterveldia
Ligeophila
Limatodis
Limnorchis
Limodorum
Lindleyalis
Lindleyella
Linguella
Liparis
Lisowskia
Lissochilus
Listera
Listrostachys
Lobogyne
Lockhartia
Lockia
Loefgrenianthus
Lomax
Lonchitis
Lophiarella
Lophiaris
Loroglorchis
Loroglossum
Lothiania
Lowiorchis
Loxoma
Loxomorchis
Ludisia
Lueckelia
Lueddemannia
Lueranthos
Luerella
Luisia
Luisiopsis
Luzama
Lycamerlycaste
Lycaste
Lycida
Lycobyana
Lycomormium
Lyperanthus
Lyraea
Lyroglossa
Lysias
Lysiella
Lysimnia
