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04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

31-10-2025 09:19

Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

30-10-2025 03:53

Ethan Crenson

Hi all,  I would like an opinion on whether this

09-08-2025 13:13

Maria Plekkenpol Maria Plekkenpol

Hello,Yesterday I found these on burnt soil. Apoth

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Hyaloscyphaceae ?
Ethan Crenson, 30-01-2018 06:10
Hello all,
In New York City, on well rotted hardwood, I found these small, hairy tan cups with cream colored hymenium, most about 1mm in diameter or smaller. Hairs septate and around 100-133 by 5µm. Asci 55-65 by 5µm. Very difficult to determine if it is amyloid. The apex darkened quite a bit in Lugol's solution--so dark that the color was very hard to determine. Spores fusiform, with a lot of variation in size: (7) 9-13 (15) by (1.5) 2-3µm. Any ideas? Thank you in advance.
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Hans-Otto Baral, 30-01-2018 08:14
Hans-Otto Baral
Re : Hyaloscyphaceae ?
Hi Ethan
I consider this to be Trichopeziza subsulphurea.
Zotto
Ethan Crenson, 30-01-2018 17:32
Re : Hyaloscyphaceae ?
Thank you Zotto.  Can you recommend a resource where I might find a description of T. subsulphurea, and perhaps something on Trichopeziza as a genus?
Hans-Otto Baral, 31-01-2018 08:24
Hans-Otto Baral
Re : Hyaloscyphaceae ?
I can mainly recommend my website (folder Lachnaceae). I can send you the paper by Svrcek 1988 if you give me your email.