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Abrothallus sp. sur Hypotrachyna britannica

Abrothallus sp. sur Hypotrachyna britannica

Synonyms:

Family: ABROTHALLACEAE

Habitat: Aerohaline zone

Description

    Apothecoid "lens-like" ascomata as if placed on the thallus of the host, blackish disk but greenish if very fresh because covered with a dark green pruina. Claved asci with 8 spores. Brown ascospores, spinulose, with 2 cells including one larger, 11-12 x 4-5.5 µm. Taxon coming on the lobes of Hypotrachyna britannica in the aerohaline zone.

    This Abrothallus is characterized by its coming on Hypotrachyna britannica and its small spores 11-12 x 4-5.5 µm. It was not possible to name it because currently the morphological characters retained to characterize the different species of Abrothallus are too variable and crossed between the taxa and the specificity of the host is not proven... Moreover Paul DIEDERICH informs us (in litteris) that the usual genetic markers used for Ascomycetes do not allow to distinguish the species of Abrothallus on Parmeliaceae. We therefore use sp. while waiting for the use of new techniques.





Abrothallus sp. sur Hypotrachyna britannica

Abrothallus sp. sur Hypotrachyna britannica Pen-Hir 1
Bernard BOUFFINIER

Abrothallus sp. sur Hypotrachyna britannica

Abrothallus sp. sur Hypotrachyna britannica Pen-Hir 2

Abrothallus sp. sur Hypotrachyna britannica

Abrothallus sp. sur Hypotrachyna britannica Pen-Hir 3
Jacques HAINE

Abrothallus sp. sur Hypotrachyna britannica

Abrothallus sp. sur Hypotrachyna britannica Coupe apothécie KOH Pen-Hir 4
Jacques HAINE

Abrothallus sp. sur Hypotrachyna britannica

Abrothallus sp. sur Hypotrachyna britannica Coupe apothécie écrasée Lugol Pen-Hir 5
Jacques HAINE

Abrothallus sp. sur Hypotrachyna britannica

Abrothallus sp. sur Hypotrachyna britannica Asques KOH Pen-Hir 6
Jacques HAINE

Abrothallus sp. sur Hypotrachyna britannica

Abrothallus sp. sur Hypotrachyna britannica Asques Bleu Coton Pen-Hir 7
Jacques HAINE

Abrothallus sp. sur Hypotrachyna britannica

Abrothallus sp. sur Hypotrachyna britannica Asques et spores Lugol Pen-Hir 8
Jacques HAINE

Abrothallus sp. sur Hypotrachyna britannica

Abrothallus sp. sur Hypotrachyna britannica Spores KOH Pen-Hir 9
Jacques HAINE



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