Apiosporous pyrenomycete - Forum ASCOFrance

09-04-2026 10:12

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Apiosporous pyrenomycete

Eduard Osieck, 21-03-2016 09:30

Does anyone has an idea what this could be?

Found on a dead Carpinus branch still attached to the tree.

Most striking are the olive brown spores (19-22.5 x 8-9.5 um) including an hyaline dwarf cell (4.5-6 um).

Spores without germ pore of germ slit, but faintly striped. Apical ring lacking. 8/ spores ascus, biseriately arranged.

Perithecia embedded in the bark in a valsoid formation; ostioles (papillae) often converging to each other.

Any help appreciated.

Eduard

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