Phalaenopsis William Schuman
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Renanthopsis William Shaban
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Phalaenopsis William Shaffer
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Rhyncholaeliocattleya William Shiraki
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Rhyncholaeliocattleya William Smallwood
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Phalaenopsis William Smith
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Cattleya William Smith
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Vanda William Starke
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Cymbidium William Stewart
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Rhyncholaeliocattleya William Stewart
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Paphiopedilum William Stirling
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Phalaenopsis William Stuart
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Dendrobium William Sugiwan
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Cattleya William T. Campbell
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Rhyncholaeliocattleya William Tanida
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Paphiopedilum William Teskey
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Dendrobium William Thomas
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Phalaenopsis William Thurston
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Tolumnia William Thurston
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Paphiopedilum William Trelease
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Paphiopedilum William Valor
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Paphiopedilum William W. Wilson
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Cattleya William Wallace
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Cattleya William Wallace