Species of Erysiphales, Uredinales and Ustilaginales rare or new in Poland

Abstract

New localities are reported of rare species of Erysiphaceae, Uredinales and Ustilaginales Eleven species, marked are new in the flora of Poland, plant marked are new hosts of fungi in Poland. The more noteworthy new hosts are: Sphaerotheca delphinii (Delphinium exysepalum), Urocystis poae (Poa angustifolia) and Ustilago lolii (Lolium remotum). The perithecia of Erysiphe galii on Asperula odorata have been recorder in Poland for the first time.