Spathoglottis chrysantha
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Spathoglottis chrysodorus
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Spathoglottis Chrysops
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Calanthe Chudleyana
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Calanthe clavata
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Calanthe Clive
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Spathoglottis Colmanii
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Spathoglottis Columbine
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Calanthe conspicua
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Calanthe Cooksoni (1885)
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Phaius Cooksoniae
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Calanthe Cooksoniae
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Calanthe Cooksonii (1896)
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Calanthe Corbiere
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Calanthe Cornelius Vanderbilt
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Calanthe Cosmo-Violet
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Calanthe Cressoniere
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Calanthe crystallina
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Acanthophippium curtisii
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Calanthe Darblayana
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Calanthe De Devant
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Calanthe Dellensis
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Calanthe densiflora
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Spathoglottis deplanchei