Didukh, Y., Chorney, I., Budzhak, V., Vasheniak, I., Bezsmertna, O., Gleb, R. in Nyporko, S. 2023. Rare shady chasmophytic habitat communities (8210) in Ukraine. Hacquetia. 22, 2 (apr. 2023). DOI:https://doi.org/10.2478/hacq-2022-0022.