EN
Seeds of Abutilon theophrasti grown in Poland were colonized at least by 11 species of fungi. Alternaria alternata was the most common species. Its frequency in the fungal community amounted to 62%. Epicoccum nigrum and Aspergillus spp. were also common fungi on/in seeds, occurring usually with local or temporal peaks. Other fungi, including Fusarium, Botrytis cinerea, Sclerotinia sclerotiorium and Trichothecium roseum occurred sporadically.