lichen-Phaeophyscia adiastola

Phaeophyscia adiastola

Phaeophyscia adiastola substrate

Phaeophyscia adiastola substrate photo by Bob Klips

Phaeophyscia adiastola thallus

Phaeophyscia adiastola photo by Bob Klips

Phaeophyscia adiastola margin

Phaeophyscia adiastola thallus margins photo by Bob Klips

DIAGNOSTIC FEATURES: Black undersurface, narrow lobes (less than 1.5 mm wide), coarsely granular to isidioid marginal and terminal soredia; compare with P. orbicularis, which is nearest but has finely granular soredia and is rare in Ohio.

ECOLOGY: Widely distributed in the eastern US; common and widespread in Ohio, on mossy rock and tree bases. This species is fairly shade tolerant.

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