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Phaeographis lyellii  (Sm.) Zahlbr.

Synonyms:

Leiorreuma lyellii (Sm.) Staiger



Family: GRAPHIDACEAE

Habitat: Oceanic zone

Description

    Thallus crustose, thin, bark colour potentially visible through, more or less smooth, glossy, frosted, greenish, olivaceous, brown-olive. Apothecia lirellate, markedly open, rather short and wide, flat or slightly prominent, flexuose, simple or seldom branched or stellate, typically surrounded by a conspicuous wide exciple, powdery, whitish. Ascospores fusiform, caterpillar-like, elongate, (3)-4-5-(7)-septate, brown or gray when mature, 22-35 x 7-9 µm according to the literature, (20) 22-35 (40) x (5) 7-8 (9) and (3) 5-7 (8) septate according to our measurements. Chemical spot tests negative. Oceanic trends, on shaded smooth barks of trees in humid woodlands. Easy to recognize by its apothecia in broad lirella surrounded by whitish and visible from afar. See Phaeographis dendritica with a whitish K + red thallus.







Phaeographis lyellii ForĂȘt de Coat-Loc'h 5
Bernard BOUFFINIER



Phaeographis lyellii ForĂȘt de Coat-Loc'h 7
Bernard BOUFFINIER



Phaeographis lyellii ForĂȘt de Coat-Loc'h 4
Bernard BOUFFINIER



Phaeographis lyellii ForĂȘt de Coat-Loc'h 6
Bernard BOUFFINIER



Phaeographia lyellii Brennilis 1
Bernard BOUFFINIER



Phaeographis lyellii Brennilis 2
Bernard BOUFFINIER



Phaeographis lyellii Coat-Loc'h 1
Bernard BOUFFINIER



Phaeographis lyellii et Phaeographis dendritica Coat-Loc'h 2
Bernard BOUFFINIER



Phaeographis lyellii Coat-Loc'h 3
Bernard BOUFFINIER



Phaeographis lyellii Crozon 1
Bernard BOUFFINIER



Phaeographis lyellii Crozon 2
Bernard BOUFFINIER



Phaeographis lyellii Crozon 3
Bernard BOUFFINIER



Phaeographis lyellii Crozon 4
Jacques HAINE



Phaeographis lyellii Coupe apothécie KOH Crozon 5
Jacques HAINE



Phaeographis lyellii Coupe Asque KOH Crozon 6
Jacques HAINE



Phaeographis lyellii Asques et paraphyses Bleu Coton Crozon 57
Jacques HAINE



Phaeographis lyellii Spores KOH Crozon 58
Jacques HAINE



Phaeographis lyellii Spores matures KOH Crozon 59
Jacques HAINE



Phaeographis lyellii Spores Bleu Coton Crozon 510
Jacques HAINE



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