Paphiopedilum Walter Moore
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Vanda Walter Neuc
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Brassocattleya Walter Orquisan
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Aranda Walter Oumae
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Dendrobium Walter Oumae
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Papilionanda Walter Oumae
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Cattleya Walter Pah Byars
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Cattleya Walter Pidgeon
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Phalaenopsis Walter Reimann
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Brassocattleya Walter Richter
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Cattleya Walter Richter
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Phalaenopsis Walter Richter
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Cattlianthe Walter Riggs
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Phragmipedium Walter Schomburg
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Rhyncholaeliocattleya Walter Scott
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Rhyncholaeliocattleya Walter Seng
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Paphiopedilum Walter Shirley
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Phalaenopsis Walter Sixt
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Cattleya Walter Slagle
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Warnerara Walter Spence
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Phalaenopsis Walter Stark
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Cattleya Walter Stern
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Cattleya Walter Tagawa
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Dendrobium Walter Takahashi