Black on Picea branch - Forum ASCOFrance

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Black on Picea branch

Juuso Äikäs, 15-06-2020 16:04

There was a thin branch of Picea abies that had fallen into a little forest stream with only little water at the moment. It had these black fungi growing on it.

The microscopy looks rather distinctive. Paraphyses thin and cylindrical, plenty of crystals in the excipulum. I measured a couple free spores and they were around 35 x 10 microns.

I've no idea what these are. Do you?

Gernot Friebes, 15-06-2020 20:22

Re : Black on Picea branch

It looks like Tryblidiopsis pinastri to me.

Best wishes,
Gernot

Juuso Äikäs, 15-06-2020 20:41

Re : Black on Picea branch

Yes, that seems to fit well -- thank you!

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