Cattleya Lindl.
Cattleya Ultraviolet
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Cattleya Ulysses
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Cattleya Umatilla Reef
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Cattleya Umbria
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Cattleya Umea
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Cattleya Umpqua
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Cattleya Un-named grex
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Cattleya Una (1917)
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Cattleya Una (1921)
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Cattleya Una (1922)
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Cattleya Uncle Sheu Wan
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Cattleya Undine
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Cattleya Undine Aquinae
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Cattleya Undine Roseum
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Cattleya Undulata
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Cattleya Unicorn
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Cattleya Unique
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Cattleya Unique Splendor
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Cattleya United Nations
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Cattleya United States
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Cattleya Unnamed grex
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Cattleya Unnamed grex
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Cattleya Unnamed hybrid
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Cattleya Upton Gem