Masdevallia Aristocrat
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Rhyncholaelia Aristocrat
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Cattleya Aristocrat (1945)
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Cattleya Aristocrat (1957)
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Restrepia aristulifera
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Psytonia Ariza Julia
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Cattleya Arizona (1941)
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Cattleya Arizona (1957)
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Cattleya Arizona (1983)
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Cattleya Arizona Kanzer
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Cattleya Arizona Zip
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Cattleya Ark Angel
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Masdevallia Arkan Abadi
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Cattleya Arlene Ayakawa
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Cattleya Arlene Erickson
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Cattleya Arlene Marie
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Cattleya Arlequin
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Cattleya Arloh
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Cattleya Armack
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Cattleya Armada
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Cattleya Armada
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Cattleya Armainvillelva
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Cattleya Armainvillierensis (1)
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Cattleya Armainvillierensis (2)