Hrivnák, Richard, Jaroslav Košťál, Michal Slezák, Anna Petrášová, and Melánia Feszterová. 2015. “Black Alder Dominated Forest Vegetation in the Western Part of Central Slovakia – Species Composition and Ecology”. Hacquetia 12 (2). https://ojs.zrc-sazu.si/hacquetia/article/view/2854.