Macrolichens from Chaco National Park (Chaco Province, Argentina)

Abstract A study of the macrolichens diversity from Chaco National Park was conducted. Thirty-six species were identified, three which are recorded for first time Argentina (Dirinaria melanocapa, Pyxine petricola var. convexula, and P. pungens). Moreover, distribution 27 in country is extended, including new records province and, additionally, other provinces region. An identification key here provided geographic each one revised.