Knudsen, K.; Kocourková, J.; Pušová, T.; Kondrysová, E.; Malíček, J. A Study of Acarospora Nitrophila, a Rare and Misunderstood Lichen Species, and the Sister Species A. Praeruptorum (Acarosporales, Lecanoromycetes). Folia Cryptog. Estonica 2026, 63, 25–36.