45 herbarium specimens of ascomycetous fungi associated with elm were collected during field trips in July, September and October, 2005 in the deciduous forest, Pavilniai regional park (Vilnius city). 19 species of pyrenomycetes and loculoascomycetes were registered on Ulmus spp. Cosmospora purtonii, Nectria coccinea, Pseudovalsaria ferruginea and Flageoletia leptasca are recorded for the first time in Lithuania.
Keywords: Ascomycota, Ulmus, Lithuania.