Altitudinal distribution: alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: a species of the L. symmicta-group with a verrucose to granulose, yellowish to yellowish-green thallus growing on plant remains, and apothecia with yellowish-green to black discs soon becoming convex and margins excluded, based on a type from Arctic Canada; in the Alps so far recorded from a single locality in Switzerland.
