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Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde = Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde

= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Synonyms:

Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.



Family: TRYPETHELIACEAE

Habitat: Oceanic zone

Description

    Thallus absent, this species not being lichenized, but vegetative tissue may bleach the bark of the host. Ascomata blackish, circular or elliptical, 120-180 x 100-150 µm, sometimes with bark fragments at the base giving a whitish appearance, involucrellum brown (greenish in KOH) typically bordered by a broad lighter, greyish, whitish fringe. Paraphyses thick. Asci cylindrical 60-90 x 17-21 µm according to literature, 50-60 x 13-16 µm according to our measurements. Ascospores colorless covered with a 2 µm thick jelly, clavate with rounded apices, 1-septate with a constriction at the septa and typically a constriction at the center of each cell, 15-20 x 6-8 µm according to literature, 13-18 x 4-8 µm according to our measurements. Pycnidia in the form of brownish dots surrounded by a whitish halo, giving cylindrical macroconidia of 8-11 x 2-2.5 µm and bacilliform microconidia of 5-6 x 1 µm. No characteristic colored chemical reactions. Not rare but neglected or confused species, occurring on trees with smooth bark, mainly Fraxinus and Corylus.

Cf. Arthopyrenia analepta with larger ascomata and different spores.

N.B. We have retained Arthopyrenia cinereopruinosa (Schaer.) Massal. until clarification of the issue as it appears to be another taxon.





Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica sur Corylus Crozon 1
Bernard BOUFFINIER

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica sur Corylus Crozon 2
Bernard BOUFFINIER

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica sur Corylus Crozon 4
Bernard BOUFFINIER

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica sur Corylus Crozon 5
Bernard BOUFFINIER

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica sur Corylus Crozon 6
Bernard BOUFFINIER

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica sur Corylus Crozon 3
Bernard BOUFFINIER

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica Ascome coupe KOH Crozon 1
Jacques HAINE

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica Ascome ouvert KOH Crozon 1
Jacques HAINE

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica Ascome écrasé Crozon 3
Jacques HAINE

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica Asque Lugol Crozon 4
Jacques HAINE

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica Spores KOH Crozon 5
Jacques HAINE

Alloarthopyrenia italica Phukhams, Camporesi, Ariyaw & K.D. Hyde
= Arthopyrenia cinereopruinosa auct. brit. non (Schaer.) A. Massal.

Alloarthopyrenia italica Spores Lugol Crozon 6
Jacques HAINE



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