Apuntes al catálogo de la orquidoflora de la provincia de Palencia

Some records, data and notes are given, in order to increase the information to the Orchidaceae flora from the Palencia province. From previous bibliographic data and adding the chorologic data resulting of our studies, we have done or completed some provincial distribution maps about different species of orchids in this area. We have based on the species description of several authors, in a no synthetic criterion. The used keys have been mentioned in every taxon notes, as well as the most important traits taken into account for their identification.