Godronia urceolus? - on Betula from Norway

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Godronia urceolus? - on Betula from Norway

Lothar Krieglsteiner, 01-12-2022 13:09

on 4.7.22, in the marginal area of National Park Skjaekerfjella, on a thin twig of Betula nana in marshy fjell-vegetation. The few apothecia first were fully unripe, and I took the with me in a moist plastic bag for weeks and still kept it at home before it became halfway ripe. Unfortunately, I missed to take spore measures, but fortunately have a measure in my pictures to estimate.
There is no material left now.
I think this could be Godronia urceolus. Can somebody confirm this or express another opinion?
Yours, Lothar