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04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

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

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Hymenoscyphus scutula?
Riet van Oosten, 14-02-2018 16:24
Riet van OostenHello forum,

Hymenoscyphus scutula?
Found in the garden (28-10-2017, the Netherlands) on Rudbeckia sp.
Asci biseriate: 107.3-117.3 x 9.3-10.7 µm
Spore size:     24.7-25.7 x  4.4-5.0 µm.

Kind regards,
Riet van Oosten
Hans-Otto Baral, 14-02-2018 17:08
Hans-Otto Baral
Re : Hymenoscyphus scutula?
Dear Riet

welcome on ascofrance!

Yes, it is microscopically typical H. scutula, good pictures. By macroscopy I was sceptical, but this is variation, usually the stalk is longer.

Zotto
Riet van Oosten, 14-02-2018 19:33
Riet van Oosten
Re : Hymenoscyphus scutula?
Dear Zotto,

Thank you very much! 

Riet