Nuevas citas de Pteridofitas para el distrito chaque？o Serrano de Córdoba (Argentina)

in this contribution, three new taxa for the local fern-flora, are reported for the first time: microgramma vacciniifolia (langsd. & fisch.) copel. (polypodiaceae), phlebodium areolatum (willd.) j. sm. (polypodiaceae) and thelypteris dentata (forssk.) e. p. st. john (thelypteridaceae). also morphological characters, habitat and geographic distribution are given.