Coelogyne mooreana Rolfe, Bull. Misc. Inform. Kew 1907: 129 (1907) (syn: Coelogyne mooreana f. alba Roeth & O.Gruss ; Coelogyne psectrantha Gagnep.);
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Vietnam as per POWO;
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Coelogyne mooreana : Atlanta Botanical Garden, Atlanta, USA : 17APR20 : AK-65: 6 images.
Orchids seen at the Conservatory in ABG during my visit in October, 2018.
The id looks correct.
Yes Coelogyne mooreana.
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References:
POWO