New records of Anogramma, Dicranopteris and Megalastrum from Argentina

KELLY S. J.; KRAUCZUK E. R.; AGUSTINA YAÑEZ; GONZALO J. MARQUEZ

Salta

Congreso; XXXV Jornadas Argentinas de botánica; 2015

The Northeastern Argentina is one of the most important center of fern diversity in the country, with more than 161 species. In this work, three new records of ferns was disclosed for the region, all belonging to the Paranaense Phytogeographic province. Two species from Yabotí Biosphere Reserve (Misiones), which is characterized by subtropical forest, were collected at the edge of Uruguay River, near to Moconá Falls: Anogramma leptophylla (L.) Link (Pteridaceae) and Megalastrum substrigosum R. C. Moran, J. Prado & Labiak (Dryopteridaceae). The third species is Dicranopteris pedata (Houtt.) Nakaike (Gleicheniaceae), from Santo Tomé (Corrientes). It was found in a cave deep in the soil of a cattle ranch, and the dominant vegetation in this place is the gallery forest, because a stream running inside the cave. These new records extend knowledge of the flora from Argentina, and also provide important information about the diversity and conservation of ferns from Northeastern Argentina