Aportación al catálogo de las orquídeas silvestres de la provincia de Soria

Contribution to the catalogue of wild orchids of Soria (Spain). We include several new locations of wild orchids belonging to Soria (Spain). Ten species cited here are novelties for this province, maybe the most remarkable ones are: Dactylorhiza incarnata, Epipactis distans, Limodorum trabutianum, Orchis palustris, Orchis papilionacea and Platanthera algeriensis, several or these taxons are very rare in the Iberian peninsula, all of them interesting from the point of view of their distribution. Keywords: Spain, Iberian Peninsula, Soria, Iberian Mountains, Orchidaceae, Dactylorhiza, Epipactis, Limodorum, Ophrys, Platanthera.