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5 747500 Paphiopedilum mastersianum (Rchb.f.) Stein [125 313327 Cypripedium mastersianum Rchb.f.]
H.G.A. Engler, Pflanzenr., vol. 50 [Heft 12], (Orchidaceae - Pleonandreae): p. 83, fig. 39 C (1903) [83]
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