GRUSZKA, Wojciech. The concept of lichen refugia classification. A proposal based on the case study of Krajeńskie Lakeland, Poland. Ecological Questions, [S. l.], v. 27, p. 65–75, 2017. DOI: 10.12775/EQ.2017.028. Disponível em: https://apcz.umk.pl/EQ/article/view/EQ.2017.028. Acesso em: 18 may. 2025.