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04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

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

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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another Hymenoscyphus type ... ?
Alan Smith, 03-11-2017 23:25
I have found several of these small ascos recently growing on soft, dead stems of (possibly) Rubus fruticosa. The limited keys I have find nothing with such long spores!

could anyone suggest what this one could be.

Merci d'avance, Alan
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Hans-Otto Baral, 04-11-2017 07:51
Hans-Otto Baral
Re : another Hymenoscyphus type ... ?
Clearly a Hymenoscyphus with scutuloid spores, but you need more data. I assume the asci arise from simple septa and the paraphyses contain refractive VBs.  Probably H. scutula (incl. vitellinus) in a wide sense, perhaps H. virgultorum. But 7 µm spore width would be impossible. You shoud measure more spores I think you have narrower but also longer ones.
Alan Smith, 05-11-2017 23:20
Re : another Hymenoscyphus type ... ?
ok ... danke Hans-Otto :-)