Abstract. P. Delforge.- Epipactis campeadorii, a new Iberian species of the Epipactis leptochila group [Natural. belges (Orchid. 8) 76 (1995): 89-97]. Research in the southern piedmont of the Cordillera Cantabrica and upper Ebro basin, province of Burgos (Castilla-Len) and Cantabria, has revealed 9 sites of a new species of Epipactis, belonging to the Epipactis leptochila-group, described here as Epipactis campeadorii.

Key-words: Orchidaceae, Epipactis, Epipactis campeadorii sp. nova, flora of Spain.