Oncidium Sw.
Oncidium Ron’s Rippling Delight
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Oncidium Rona
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Oncidium Rona Fisher
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Oncidium Ronald Norman
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Oncidium Ronald Strauss
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Oncidium Ronchiere
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Oncidium Ronde Nichette
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Oncidium Ronez Point (1983)
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Oncidium Roni’s Tiger Balm
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Oncidium Roquier
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Oncidium Rosabel
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Oncidium Rosaleen
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Oncidium Rosaleu
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Oncidium Rosalie
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Oncidium Rosalind
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Oncidium Rosamond
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Oncidium Rosamund
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Oncidium Rosandra
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Oncidium Rosann
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Oncidium Rose Gleam
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Oncidium Rose Mousse
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Oncidium Rosefieldense
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Oncidium Rosefieldensis
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Oncidium Rosella