Cymbidium Orphan
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Cymbidium Orphan Annie
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Cymbidium Orphan Beauty
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Oncidium Orphana
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Cymbidium Orpheus
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Oncidium Orpheus
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Cymbidium Orphic
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Cymbidium Orquil
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Oncidium Orra Rose Bennett
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Cymbidium Orroroo
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Oncidium Orsino
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Oncidium Orsova
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Oncidium Ortalis
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Oncidium Ortgiesianum
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Oncidium Orthia
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Oncidium Orthia (1922)
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Oncidium orthostates
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Nohawilliamsia orthostates
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Oncidium Orthus
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Cymbidium Ortin
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Cymbidium Ortolan
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Oncidium Ortrud
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Cymbidium Orvar
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Cymbidium Osage