Pupulin, F., C. Ossenbach, R. Jenny & E. Vitek. 2013. Species Endresianae. Pp. 305–343 in: C. Ossenbach, F. Pupulin & R. Jenny (eds.). Orchids in the life and work of Auguste R. Endrés. Vol. 1. The Texts. Naturhistorisches Museum in Wien, Vienna.

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