sentences:  The park protects tree species mainly of the genus "Nothofagus", including the threatened "Nothofagus glauca" and "Nothofagus leonii", as well as "Nothofagus macrocarpa", "Nothofagus dombeyi", "Nothofagus antarctica" and "Nothofagus alpina".Also it is possible to find vulnerable and rare species, as are "Austrocedrus chilensis" and "Maytenus chubutensis".The park is home to an endangered subspecies of "Cyanoliseus patagonus" known locally as "Tricahue".