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Biatoropsis usnearum  s.l. Räsänen

Synonyms:

Family: TREMELLACEAE

Habitat: Non-lichenized fungi  

Description

    Basidiomycete (BASIDIOMYCOTA) parasite of Usnea.

    This species looks like an almost spherical gall with a narrow base, 0,5-2 mm diam., smooth, pinkinsh, pale brown-red. Ascospores very broadly ellipsoid to subglobose, apiculate, 4,5-8 x 4-7,5 µm arising from 1-3-septate basidia. Parasite of numerous Usnea species. Not especially maritime but relativeley frequent on Usnea along the seashore.*







Biatoropsis usnearum Pointe du Raz
Alain GERAULT



Biatoropsis usnearum Crozon
Bernard BOUFFINIER



Biatoropsis usnearum Pointe du Raz 2
Bernard BOUFFINIER



Biatoropsis usnearum Crozon 1
Bernard BOUFFINIER



Biatoropsis usnearum Crozon 2
Bernard BOUFFINIER



Biatoropsis usnearum Menez Meur
Bernard BOUFFINIER



Biatoropsis usnearum Hôpital-Camfrout
Bernard BOUFFINIER



Biatoropsis usnearum sur Usnea articulata Brasparts 1
Jacques HAINE



Biatoropsis usnearum Crozon 4
Michel DAVID



Biatoropsis usnearum Crozon 5
Michel DAVID



Biatoropsis usnearum sur Usnea articulata Brasparts 2
Jacques HAINE



Biatoropsis usnearum s.l. sur Usnea articulata Brasparts 3
Jacques HAINE



Biatoropsis usnearum s.l. sur Usnea articulata Basides Brasparts 4
Jacques HAINE



Biatoropsis usnearum s.l. sur Usnea articulata Spores Brasparts 5
Jacques HAINE



Biatoropsis usnearum s.l. sur Usnea articulata Photobionte Brasparts 6
Jacques HAINE



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