Paphiopedilum × wenshanense
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Cattleya × wetmorei
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Gymnadenia × wettsteiniana
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Gomesa × wheatleyana
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Oncidium × wheatleyanum
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Cattleya × whitei
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Dendrobium × wiganiae
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Phalaenopsis × wiganiae
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Sobralia × wiganiae
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Odontoglossum × wilckeanum
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Oncidium × wilckeanum
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Odontoglossum × williamsianum
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Cattleya × wilsoniana
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Tolumnia × withnerana
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Oncidium × withneranum
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Oncidium × withnerianum
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Vanda × wuii
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Paphiopedilum × wuliangshanicum
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Laelia × wyattiana
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Brasilaelia × wyattiana
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Tetramicra × xislensii
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Paphiopedilum × yappianum
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Calanthe × yarlungzangboensis
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Paphiopedilum × yingjiangense