AmerosporiumAmerosporium is a genus of fungi belonging to the family Sclerotiniaceae. It was described in 1882 by Carlo Luigi Spegazzini. It has cosmopolitan distribution.SpeciesAmerosporium atrum Höhn., 1915Amerosporium caricumAmerosporium concinnum Petr., 1953Amerosporium congregatum Sacc., 1884Amerosporium platense Speg., 1902Amerosporium polynematoides Speg., 1882