Cattleya A. C. Burrage
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Cattleya A. Chantin
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Cattleya A. J. Ruck
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Cattleya A. M. Nicholas
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Cattleya A. N. Cooley
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Cattleya A. Taylor
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Cattleya Aïda
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Cattleya Aagje Deken
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Cattleya Aala
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Masdevallia Aardvark
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Catyclia Aarin Ragan
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Masdevallia Abbey Sarah
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Cattleya Abbots Langley
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Cattleya Abbotsford
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Masdevallia abbreviata
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Prosthechea abbreviata
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Epidendrum abbreviatum
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Cattleya Abdoysiana
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Cattleya Abe Kehr
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Cattleya Abe Montague
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Cattleya Abekeniae
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Cattleya Abel
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Cattleya Abell Ann
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Encyclia Aberdeen