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12-01-2026 22:02

Ethan Crenson

Hello all, I am hoping someone will have some ins

13-01-2026 07:57

Danny Newman Danny Newman

cf. Bombardea on indet. decorticate woodAppalachia

13-01-2026 07:51

Danny Newman Danny Newman

Atrocalyx sp. on indet. herbaceous stemAppalachian

13-01-2026 07:28

Danny Newman Danny Newman

Chlorociboria glauca on indet. decorticate logThe

13-01-2026 07:14

Danny Newman Danny Newman

Neodasyscypha cerina on indet decorticate logThe S

11-01-2026 20:35

Josep Torres Josep Torres

Hello.A very tiny pyrenomycete sprouting sparsely

12-01-2026 05:24

Danny Newman Danny Newman

Cyathicula coronata on Urtica dioicaCataloochee Di

15-12-2025 11:49

Danny Newman Danny Newman

ITS sequences from the following two collections B

09-01-2026 17:41

Arnold Büschlen

Hallo, F. dilatata wird von vielen Bryoparasiten

10-01-2026 20:00

Tom Schrier

Hi all,We found picnidia on Protoparmeliopsis mur

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thyriothecia on leaves of Betula nana from Norway
Lothar Krieglsteiner, 28-07-2018 16:47
Lothar Krieglsteiner

... collected at 7.7.2018 in the National Park of Lierne (Norway -near the Swedish Border), on leaves of Betula nana in "fjell" vegetation, about 1100 m NN, together with Venturia ditricha.


Unfortunately, the spores could only be observed inside the ascus.


I looked up in Ellis & Ellis but could not find a good match.


Can somebody provide me with a proposal?


Best regards, Lothar

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Lothar Krieglsteiner, 18-12-2018 14:09
Lothar Krieglsteiner
Re : thyriothecia on leaves of Betula nana from Norway

... is there perhaps a suggestion today?


Best regards, Lothar

Paul Cannon, 21-12-2018 14:02
Re : thyriothecia on leaves of Betula nana from Norway
Are you sure this is not a Coccomyces? Possibly dentatus but it's difficult to tell from the macro images.
Lothar Krieglsteiner, 22-12-2018 12:31
Lothar Krieglsteiner
Re : thyriothecia on leaves of Betula nana from Norway

Hello Paul,


thank you very much. Yes, you are right - I fully "stood on the tube" as I would say in German slang.


Best regards, Lothar