Fifteen taxa of Chytridiomycota and eighteen of Oomycota were isolated from water and soil samples from the Guarapiranga reservoir, using a baiting technique with celulosic, chitinous and keratinous substrates. Among the taxa of Chytridiomycota isolated, one belongs to Blastocladiales, eleven to Chytridiales and three to Spizellomycetales. Among the Oomycota, thirteen are Saprolegniales and five Peronosporales. Septochytrium marilandicum Karling is mentioned for the first time in Brazil.
Blastocladiales; Chytridiales; Spizellomycetales; Saprolegniales; Peronosporales; zoosporic fungi; biodiversity
