Miltoniopsis × bleui
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Catasetum × cabrutae
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Catasetum × canaense
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Trichocentrum × carbonoi
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Oncidium × cassolanum
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Lycaste × cayalae
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Oncidium × charlesworthii
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Trichocentrum × cicyi
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Lycaste × cobani
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Gomesa × colnagoi
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Oncidium × colnagoi
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Gongora × copanensis
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Trichocentrum × crispilurida
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Oncidium × cubense
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Tolumnia × cubensis
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Catasetum × cupuliforme
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Lycaste × daniloi
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Catasetum × dasilvae
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Cymbidium × dilatatiphyllum
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Oncidium × domingense
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Tolumnia × domingensis
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Lycaste × donadrianii
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Catasetum × dunstervillei
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Oncidium × duveenii