Svensson, M., & Owe-Larsson, B. (2019).

Taxonomic notes on saxicolous lecideoid lichens (Ascomycota, Lecanoromycetes), mainly from Fennoscandia

. Phytotaxa, 416(1), 43–50. https://doi.org/10.11646/phytotaxa.416.1.5