Lepraria elobata  

Thallus diffuse, pale blue-grey to dull blue-grey, granules 30-120 µm diam., with a fairly firm appearance, projecting hyphae absent or very short. Medulla absent.
Anamorph: not known.
Teleomorph: not known.
Chemistry: thallus C–, K+ yellow, Pd+ orange, UV– (stictic and constictic acids, zeorin, atranorin).