Europe (map legend)
Mainly corticolous (67%), may grow on mossy trees, shrubs,
Calluna stems, decorticated wood etc., but also on rocks (33%) (
Clerc 1987b). Its distribution is considered euoceanic, extending from the south-western coast of Norway and the British Isles to the Mediterranian region (
Fos & Clerc 2000). Reported in Europe: Croatia, France, Greece, Great Britain, Ireland, Italy, Luxembourg (probably extinct), Norway, Portugal, Spain.