Cattleya Avelona
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Cattleya Averill
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Cattleya Avery Lynn
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Cattleya Aviateur Pivilo
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Cattleya Aviateur Tivolo
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Cattleya Avice
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Cattleya Avies
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Cattleya Avignon
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Cattleya Avila
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Cattleya Avoca
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Cattleya Avocet
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Cattleya Avon (1922)
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Cattleya Avon (1945)
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Cattleya Avon (Linden)
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Restrepia Avranches
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Cattleya Awakea
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Cattleya Awakening
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Cattleya Axel J. Cahiz
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Cattleya Axholme
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Epidendrum Axia Valley
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Masdevallia ayabacana
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Epidendrum Ayahime
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Masdevallia Ayako Kawatsura
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Masdevallia Ayers Rock