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16-02-2026 18:34

Thierry Blondelle Thierry Blondelle

Bonjour,La micro de cet anamorphe de Hercospora su

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

16-02-2026 21:25

Andreas Millinger Andreas Millinger

Good evening,failed to find an idea for this fungu

16-02-2026 17:14

Joanne Taylor

Last week we published the following paper where w

16-02-2026 16:53

Isabelle Charissou

Bonjour, quelqu'un pourrait-il me transmettre un

16-02-2026 00:05

Maren Kamke Maren Kamke

Good evening, I am looking for the following pape

16-02-2026 11:53

Joeri Belis

between leaf litter on twig in young salix growth.

14-02-2026 22:45

Tomaz Vucko Tomaz Vucko

Hy!I would ask for some help determing this specie

13-02-2026 03:30

Tomaz Vucko Tomaz Vucko

Hello! I found these immersed perithecia on a stic

15-02-2026 20:28

éric ROMERO éric ROMERO

Bonjour tous, Un Mollisia qui me pose problème..

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Seeking ID
David Wasilewski, 03-06-2024 15:47
These orange fruit bodies were growing as caespitose clusters or singularly in a deep layer of decaying raked hardwood leaves, mostly maple. The stipes buried in leaf litter easily broke away from the variously-shaped caps; cuplike, broadly concave, nearly planar, convex, with wavy or irregular margins. Disturbing them in situ caused spore-clouds to rise into the air, ala-Peziza. Two collections represented, one when they were first seen on 5-29 and another on 5-30.
Spores smooth, ellipsoid, thin-walled, many biguttulate (more numerously for those from the 5-30 collection), 9-13 x 4-5.5.
Asci not amyloid, with 8 spores.
Paraphyses thinly stretched-clavate with slightly enlarged apices.
I scoped the spores mounted in each of cotton blue and Congo red (from prints on a slide), In Congo red the guttules are more eident.
Observed in Northeastern Pennsylvania, USA.
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Martin Bemmann, 03-06-2024 16:41
Martin Bemmann
Re : Seeking ID
Hi David,

are you sure the spores are smooth? A larger magnification of the spores would be nice.

Maybe it is a Sowerbyella.

Regards

Martin
David Wasilewski, 03-06-2024 16:59
Re : Seeking ID
I am not certian the spores are smooth, although when viewed through my better binocular scope I did not detect ornamentation (at 400x). The two Sowerbyella species I compared have larger spores. The spores from my collection are ceertainly mature; the fruit bodies puffed clouds, and the spoores I examined/photographed come form a spore drop taken on a slide. 9-13 x 4-5.5, biguttulate.
Martin Bemmann, 03-06-2024 17:13
Martin Bemmann
Re : Seeking ID
David Wasilewski, 03-06-2024 17:27
Re : Seeking ID
Thanks you, Martin! I'll have sime time this evening to use the key.
Lothar Krieglsteiner, 03-06-2024 21:21
Lothar Krieglsteiner
Re : Seeking ID
I think this looks much like Sowerbyella fagicola, macroscopically. The spores should be ornamented then.
Yours, Lothar

https://www.pilzkunde.de/index.php/pilz-des-monats/pilz-des-monats-aeltere-beitraege/pilz-des-monats-2013?start=6
Nicolas VAN VOOREN, 04-06-2024 07:49
Nicolas VAN VOOREN
Re : Seeking ID
Look at the genus Acervus
David Wasilewski, 04-06-2024 15:26
Re : Seeking ID
I used the key and, although there are no exact matches, using the criteria spore dimensions, color of fruitt bodies, and habitat favoring deciduous trees (litter), I have three that at least lead in a favorable direction: S. radiculata var. kewensis; S. polaripustulata; S. brevispora. The latter seems to be the best fit, although the described color of the hymenium (both fresh and dried) is darker than for my observation. 

I used the following chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.funga.fi/Karstenia/Karstenia%2024-1%201984-4.pdf . This document also mentions that S. brevispora has cyanophilic spores, which was observed for tthe spores I mounted in cotton blue. This featire was best seen through my better binocular scope that shows color fairly well 9nit pictured).
David Wasilewski, 04-06-2024 15:29
Re : Seeking ID
Thanks you for the suggestion, Nicolas. The information I found on Acervus describes smaller fruit bodies and spores with significantly different dimensions (much smaller than mine).
David Wasilewski, 04-06-2024 15:32
Re : Seeking ID
Morphology fits S. fagicola well. But the spores dropped by my fruit bodies are significantly smaller than what is reported for S. fagicola; ie. for my spores L<13, for S. fagicola L>17.
David Wasilewski, 09-07-2024 18:57
Re : Seeking ID
Nicolas VAN VOOREN, 11-07-2024 10:54
Nicolas VAN VOOREN
Re : Seeking ID
Thanks.
Here is a ML tree integrating your sequence.