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26-10-2017 07:03

Ethan Crenson

Eastern US, New York. On nuts of Fagus in the mud

25-10-2017 21:04

Ueli Graf Ueli Graf

Hallo,ich suche etwas über Rosellinia subsimilis

25-10-2017 18:49

Chris Yeates Chris Yeates

Bonsoir tousdoes anyone have access to Wechtl, Lin

20-10-2017 09:23

Garcia Susana

Este otro crecía en el mismo trocito de madera qu

19-10-2017 17:20

Garcia Susana

Hola,Los apotecios eran muy pequeños, el mayor me

23-10-2017 13:02

Bernard CLESSE Bernard CLESSE

Sur excrément (que je ne reconnais pas vraiment),

19-10-2017 21:33

Yatsiuk Iryna Yatsiuk Iryna

Dear all,I have found this Orbilia in CWU herbariu

24-10-2017 15:12

Spooren Marco Spooren Marco

Hello,I am looking for a old paper by Herbert Buhr

22-10-2017 23:17

Yannick Mourgues Yannick Mourgues

Bonsoir.I'm looking for the description of Lophode

23-10-2017 11:49

Martin Bemmann Martin Bemmann

can somebody provide me with this paper:Benzoni, C

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Hymenoscyphus fructigenus?
Ethan Crenson, 26-10-2017 07:03
Eastern US, New York. On nuts of Fagus in the mud of a creek bed. White stipitate cups. The largest cup is 2mm wide. Asci are 72-115 by 10-12.5µm. Very weakly IKI+, if at all. Spores 12.5-14.5 by 5-6.5µm with several oil droplets. Occasionally septate, I think. Paraphyses septate, enlarged at the ends, about 2.5-5µm. This resembles Hymenoscyphus fructigenus, but I think the spore and ascus sizes are a little small and the paraphyses are a bit large. Also, the asci aren't reliably amyloid. Could this be something other than Hymenoscyphus fructigenus?
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Hans-Otto Baral, 26-10-2017 07:23
Hans-Otto Baral
Re : Hymenoscyphus fructigenus?
Completely impossible for a relationship with H. fructigenus. This one has rather short homopolar sporres and I am not even certain with the genus.

You should try better photos of the ascus apex, perhaps the amyloidity and the shape of the apical ring become more clear.

What you have is perhaps Hymenoscyphus varicosporoides = Cudoniella indica = Hymenosc. "calycinoides", a species with an interesting semiaquatic anamorph.

Try this link:

https://drive.google.com/drive/folders/0B5SeyOEkxxZhYXZaR2VWSG50aVk