“…The mycological flora of various areas and towns of Poland, such as the Łódź region [1], South‐east Poland [2], Lower Silesia [3], the Gdańsk region [4, 5], Białystok [6], Poznań [7] as well as various areas, countries and towns throughout the world, such as Jerusalem [8], Kuwait [9], the Slovak Republic [10], Kashmir [11], Rome [12], Barcelona, Galicia and rest of Spain [13, 14], United States [15], West Saudi Arabia [16] shows quantitative and qualitative differences. According to the above‐mentioned authors, the phenomenon is associated with widely understood environmental factors.…”