Cattleya Ypres (1918)
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Paphiopedilum Ypsilanti
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Dendrobium ypsilon
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Phalaenopsis YS Cumquat
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Phalaenopsis YS Fortune
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Phalaenopsis YS Peach Princess
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Phalaenopsis YS Sara
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Oncidium Ysa
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Aliceara Ysabella
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Cymbidium Yselstein
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Cattleya Ysengrin
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Cattleya Yser
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Cattleya Yser
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Rhyncholaeliocattleya Ysolde
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Paphiopedilum Ysolde
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Cymbidium Ysolt
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Paphiopedilum Ysoltic
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Paphiopedilum Ysos
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Phalaenopsis YT Aurora
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Phalaenopsis YT Jade
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Phalaenopsis YT Jade Gold Pig
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Phalaenopsis YT Phoenix
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Phalaenopsis YT Rouge Dragon
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Phalaenopsis YT Shangri-La