Peltigera degenii Gyeln.

A Peltigera species characterized by the smooth glossy bluish-grey upperside, pale veins and simple pale rhizines. Its most frequent substrates are humic soil, mossy boulders, tree bases and decaying mossy logs. The lichen grows on both basic and acidic substrates, usually in forest habitats. In Europe, it is a widespread species. In the Czech Republic, it is rather rare. Most of its localities are situated in mountains, especially in South Bohemia, where it is usually found in old-growth forests in microclimatically humid, rocky or scree habitats.

Ascomycota → Lecanoromycetes → Peltigerales → Peltigeraceae → Peltigera