Microscopic phytopathogenic fungi rare and new for Poland

The paper presents a list of 36 rare species of fungi with remarks about their morphology and distribution in Poland. Three of the species are new for Poland: Romularia asplenii Jaap, R. concomitans Ell. et Holw. and Ascochyta actoeae (Bres.) J. J. Davis. Altogether, 13 parasitic species occur on the plans which have not been known as their hosts in Poland, so far, 19 are rare on the listed hosts. The fungi were collected in the area of projected Jurassic National Park, Częstochowa Upland