title: A new species of Phaeohelotium from Nothofagus forests in Argentina and Chile, with a key to the Southern Hemisphere species.
abstract: Phaeohelotium nothofagi, sp.nov., found on fallen wood and leaves of Nothofagus dombeyi, is described and illustrated. The fungus is characterized by pale yellow discs, and fumose ascospores with asperulate walls. A key with distributional data for the five species of the genus now known in the Southern Hemisphere is provided.
authors.affiliation: Centro Regional Universitario Barlioche, Universidad Nacional del Comahue, Quintral 1250, 8400 San Carlos de Bariloche, Río Negro, Argentina. igamundi@crub.uncoma.edu.ar
authors.forename: Irma J
authors.initials: IJ
authors.lastname: Gamundí
authors.forename: María I
authors.initials: MI
authors.lastname: Messuti
mesh_terms: D001118:Argentina; D001203:Ascomycota / Q000302:isolation & purification* / Q000648:ultrastructure; D002677:Chile; D002965:Classification; D019684:Magnoliopsida / Q000382:microbiology*