Ingoldian fungi from the semi-arid Caatinga biome of Brazil

An inventory of Ingoldian fungi from four localities of semi-arid region, Brazil (Brejo Paraibano-PB, Serra da Jibóia-BA, Chapada do Araripe and Serra de Ibiapaba-CE) is presented.Fungi were obtained from samples of foam and submerged leaves collected in water bodies.Twenty-seven taxa of Ingoldian fungi were found and of these, 22 are new records: american continent (3), Neotropics (1), South America (3), Brazil (5), Brazilian semi-arid region (7), Ceará state (2) and Paraíba state (1).Description, illustration, geographical distribution and commentary are presented for all species found.