Ochrolechia androgyna Pertusariaceae
Ochrolechia androgyna

Growth type crustose
Chemical results: Thallus K-, C+ red, KC+ orange-red, P-, UV-

Widespread, often over moss on siliceous rocks and acid-barked trees.

Can be variable and usually infertile. Whitish to pale yellow-grey thallus, usually thick and granular but thinner on trees. Yellowish-grey or yellow-green soredia can be scattered or crust-forming. When fertile apothecia to 4mm, disc pinkish to orange-brown.

Similar: Ochrolechia arborea UV+ strong yellow or orange.
Pertusaria hemisphaerica, bluish soredia, C+ carmine-red


Ochrolechia androgyna


Ochrolechia androgyna
Ochrolechia androgyna

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