Sobralia × gloriae
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Sobralia × gloriana
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Catasetum × gomezii
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Cymbidium × gongshanense
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Cattleya × gottoiana
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Dendrobium × graciliosum
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Encyclia × gracilis
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Dendrobium × gracillimum
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Epidendrum × gransabanense
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Cattleya × gransabanensis
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Catasetum × grasineideae
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Cattleya × gravesiana
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Lycaste × groganii
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Broughtonia × guanahacabibensis
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Bulbophyllum × guartelae
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Cattleya × guatemalensis
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Guarianthe × guatemalensis
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Guarianthe × guatemalensis {var} pachecoi
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Catasetum × guianense
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Encyclia × guzinskii
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Oncidium × haematochilum
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Trichocentrum × haematochilum
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Cattleya × hardyana
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Oncidium × hartii