Peltigera canina

Foliose muscicolous, on acid and basic substrates.
Note: upper surface felted-tomentose:

Rhizines fasciculate, cottony, white or brown toward the centre of the thallus:

Lower surface white-tomentose with white narrow veins and crushed that darken toward the centre:

Without isidia.
Lithology: schist
Altitude: 1.805 m
Municipality: Gérgal