Byssoloma subdiscordans and Usnea substerilis new to Sweden

Byssoloma subdiscordans (Nyl.) P.James and Usnea substerilis Motyka are reported as new to Sweden from one locality each in the newly inaugurated Fulufjället National Park in northern Dalarna. Byssoloma subdiscordans was found in deep shade on the lower side of an overhang consisting of diabase in a ravine with a small stream. The thalli were completely protected from rain. Usnea substerilis was found on Sorbus aucuparia in the open area surrounding a summerfarm ('fäbod')