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H.G.A. Engler, Pflanzenr., vol. 50(II.B.7.): [Heft 32], (Orchidaceae - Monandreae - Coelogyninae): p. 63, fig. 21 (1907) [75]
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University of Toronto Library, Canada
H.G.A. Engler, Pflanzenr., vol. 50(II.B.7.): [Heft 32], (Orchidaceae - Monandreae - Coelogyninae): p. 63, fig. 21 (1907)