Geopora? - Forum ASCOFrance

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Geopora?

Ronald Morsink, 15-11-2020 14:36

Hello i am new here, My name is Ronald Morsink from the Netherlands.

I found this Geopora :
In a dry stream wihth rich sand in a wood in The Netherlands.
The tree he was standing by is a oak and corylus.
The apothecia are 1 cm til 4,5 cm.
Spores are: 24 - 30 mu 12-14 mu with 2 drops and little drops between it.
99% of all the spores in the asci and beyond have 2 drops. rare 1 drop.
Parafysen septated and sometimes curved.
Q= 1,98

Could it be Geopora foliacea maybe?

Sincerely, Ronald Morsink

Nicolas VAN VOOREN, 15-11-2020 17:01

Re : Geopora?

You're right for the genus (although I prefer the name Sepultaria for the epigeous species) but I cannot say for the species. I have no experience of a species with such cylindrical ascospores.
This is a difficult genus which needs a serious revision. The species forms ectomycorhizae, so ecology is important.
You should keep your collection in herbarium for future studies...

Ronald Morsink, 17-11-2020 19:00

Re : Geopora?

Hello Nicolas,

Thank you for the comment and information.

Regards,
Ronald Morsink

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