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Phaeographis inusta  (Ach.) Mull. Arg.

Synonyms:

Family: GRAPHIDACEAE

Habitat: Ubiquitous

Description

    Thallus crustose, very thin, bark colour visible through, almost smooth, glossy, pale grey, pale grey-greenish, pale grey-yellowish. Apothecia lirellate, flat, 1-2 mm long, 0.1-0.3 mm wide, immersed in the thallus, indistinct exciple, simple or stellate, but most often suggesting chinese calligraphy and chinese writings (Westerners perception of course!), disc blackish, grey-blackish, not powdery. Ascospores narrowly fusiform, 3-5-septate, 16-25 x 7-9 µm. Chemical spot tests negative. Rare, on smooth bark of deciduous trees and notably hazel (Corylus). See Phaeographis dendritica and Phaeographis smithii which are K+ red and Pd+ yellow.*







Phaeographis inusta Ardennes 1
Jacques HAINE



Phaeographis inusta Ardennes 2
Jacques HAINE



Phaeographis inusta Ardennes 3
Jacques HAINE



Phaeographis inusta sur Euonymus Crozon
Bernard BOUFFINIER



Phaeographis inusta Coat-Loc'h 1
Bernard BOUFFINIER



Phaeographis inusta Coat-Loc'h 2
Bernard BOUFFINIER



Phaeographis inusta Coat-Loc'h 3
Bernard BOUFFINIER



Phaeographis inusta Coat-Loc'h 4
Bernard BOUFFINIER



Phaeographis inusta Coat-Loc'h 5
Bernard BOUFFINIER



Phaeographis inusta Coat-Loc'h 6
Bernard BOUFFINIER



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