Phalaenopsis × rothschildiana
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Dendrobium × rubens
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Anguloa × ruckeri
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Cattleya × ruschii
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Cattleya × russelliana
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Cattleya × sancheziana
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Oncidium × sanctae-anae
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Tolumnia × sanctae-anae
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Epidendrum × sandiorum
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Lycaste × sandrae
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Catasetum × santo-antoniense
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Phalaenopsis × schilleriano-stuartiana
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Epipactis × schmalhausenii nothosubsp. capellonensis
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Epipactis × schmalhausenii nothosubsp. zaissii
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Cattleya × schroederiana
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Cattleya × schunkiana
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Cattleya × schunkii
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Cattleya × scita
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Gomesa × scullyi
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Oncidium × scullyii
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Catasetum × semiroseum
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Cattleya × sgarbii
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Cymbidium × shangrilaense
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Catasetum × sheyllae