Cattleya Lindl.
Cattleya Ovation
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Cattleya Over Flow
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Cattleya Over the Reef
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Cattleya Overhills
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Cattleya Overtone
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Cattleya Overture
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Cattleya Ovidia Clotilde Alvarenga Ribeiro
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Cattleya Oviedo
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Cattleya Ovingdean
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Cattleya Owen Mygatt
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Cattleya Oweniae
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Cattleya Oweniana (=labiata)
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Cattleya Oweniana (1892)
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Cattleya Oxfordensis
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Cattleya Oxoniensis
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Cattleya Oxyana
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Cattleya Oxymoron
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Cattleya Oyama Charm
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Cattleya Oyama Dawn
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Cattleya Oyama Elegans
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Cattleya Oyama Pink Dawn
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Cattleya Oyama Splendor
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Cattleya Oyama Spring
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Cattleya Oyama Square