Oncidium × osmentii
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Tolumnia × osmentii
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Cephalanthera × otto-hechtii
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Laelia × oweniae
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Cattleya × pachecoi
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Encyclia × padreortizii
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Lycaste × panchita
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Pleurothallis × parentis-certa
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Myrmecophila × parkinsoniana
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Masdevallia × parlatoreana
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Cattleya × patrocinii
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Cattleya × paulae
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Cattleya × paynteri
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Miltonia × peetersiana
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Catasetum × perazolianum
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Pseudolaelia × perimii
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Encyclia × perplexa
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Cattleya × picturata
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Dracula × pinasensis
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Cattleya × pittiae
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Cattleya × pittiana
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Catasetum × pohlianum
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Masdevallia × polita
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Oncidium × praestans