Stereocaulon delisei  

Thallus: primary thallus disappearing. Pseudopodetia 1-1.5 (-3) cm tall, thin, fragile, not dorsiventrally flattened, whitish grey, loosely tufted, often forming patches a few cm in diam., sparingly branched above, sometimes slightly tomentose. Phyllocladia infrequent, flattened, ± squamulose, soon becoming sorediate. Soralia frequent, terminal, forming granular sorediate masses. Cephalodia rare.
Anamorph: not known.
Teleomorph: ascomata apothecia, rarely seen.
Chemistry: thallus K–, KC–, Pd– or weakly yellow, UV– (atranorin, rangiformic and norrangiformic acids).