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10-03-2026 18:08

Orange discs on Arctium
Marc Detollenaere Marc Detollenaere

Dear Forum,On stems of Arctium, I found some downy

05-03-2026 10:07

White apothecia on pine cone
Hulda Caroline Holte

Hello, I found and collected this species growing

07-03-2026 13:06

Phaeohelotium parasulphuratus ?
éric ROMERO éric ROMERO

Bonjour tous, Sur cône d'épicea fortement imbu,

23-12-2025 08:27

Hymenoscyphus?
Josep Torres Josep Torres

Hello.Small, yellowish ascomata, with very short a

28-02-2026 11:05

Peziza
Yanick BOULANGER

Bonjour à tousLe 24/02/2026 à Montmacq, devant m

08-03-2026 14:05

Helvella lacunosa
Thierry Blondelle Thierry Blondelle

Bonjour à tous,Sur 3 récoltes supposées de H. l

07-03-2026 22:22

Volutella?
Josep Torres Josep Torres

Hello.Some very tiny conidiomes collected in the D

06-03-2026 17:51

Orbilia?
William Slosse William Slosse

Good evening all,On March 4, 2026, I found the fol

05-03-2026 16:30

Is this Diaporthe rudis?
François Bartholomeeusen

Dear forum members, On the 2nd of February 2026,

06-03-2026 09:41

indian literature
Alain GARDIENNET Alain GARDIENNET

Hi forum, I'm now looking for another reference c

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Small disco on deteriorating wood of deciduous tree
Adam Polhorský, 20-03-2016 20:03
Hello, one more asco for today

Growing in groups/clusters on a decomposing wood of deciduous tree, possibly Prunus,
Small, not exceeding 1 mm, 0,3-0,8mm, with prominent hairy margin.

Asci: 8-spored, mostly uniseriate, some bi
Ascospores: oval 5,5-7,5?m x 1,8-2.2?m, with 2 guttules near poles
Paraphyses: straight, narrow
Hairs: hook-shaped

Apologies for bad microphotos and scarce information, i was unable get more from my microscope. I hope u´ll be able to ID atleast the genus.
Many thanks in advance.
Adam
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Hans-Otto Baral, 20-03-2016 20:23
Hans-Otto Baral
Re : Small disco on deteriorating wood of deciduous tree
The genus is easy, Unguiculariopsis. the species very difficult.

The hairs are very typical, and the asci must be inamyloid.
Adam Polhorský, 20-03-2016 20:32
Re : Small disco on deteriorating wood of deciduous tree
yes the asci are inamyloid, i forgot to add. Are there any features i could look for to bring us closer to identification?

Many thanks!
Hans-Otto Baral, 20-03-2016 21:06
Hans-Otto Baral
Re : Small disco on deteriorating wood of deciduous tree
This genus is not very well explored. We have lots of collections that are probably new species, but the limits are very difficult. You can try the monograph.

Zhuang 1980. Mycotaxon 32 : 1-83 (Cyberliber)
http://www.cybertruffle.org.uk/cyberliber/
left under Journals