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Epipactis placentina in Mitt. Arbeitskreis Heimische Orchid. Baden-Württemberg 25: 460. 1993
Epipactis placentina subsp. robatschiana in J. Eur. Orch. 38: 493. 2006
Epipactis placentina var. robatschiana in Naturalistes Belges 87(Orchid. 19): 259. 2006