Gularia
Gunnarella
Habenaria
Hagsatera
Hammarbya
Hancockia
Hapalochilus
Haraella
Haraella retrocalla
Harrisella
Helcia
Helleriella
Hemipilia
Herminium
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Herschelianthe
Hetaeria
Heterozeuxine
Hexalectris
Hexisea
Himantoglossum
Hintonella
Hippeophyllum
Hispaniella
Hoffmannseggella
Hofmeisterella
Holcoglossum
Holopogon
Holothrix
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Homalopetalum
Horichia
Hormidium
Horvatia
Houlletia
Huntleya
Huttonaea
Hygrochilus
Hylophila
Hymenorchis
Inobulbon
Ione
Ionopsis
Ipsea
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Isabelia
Isochilus
Isotria
Jonesiopsis
Jostia
Jumellea
Kingidium
Kraenzlinella
Kuhlhasseltia
Lacaena
Laelia Lindl.
Laeliocattleya
Laeliopsis
Lanium
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Lankesterella
Leaoa
Lecanorchis
Lemboglossum
Lemurella
Lepidogyne
Leporella
Leptotes
Lesliea
Leucohyle
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