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25-03-2026 22:23

Marc Detollenaere Marc Detollenaere

Dear Forum,On a debarked stem of Tilia, we found s

25-03-2026 20:53

François Bartholomeeusen

Dear forum members,On 23 March 2026, I found sever

23-03-2026 20:16

Miguel Ãngel Ribes Miguel Ángel Ribes

Good eveningI'm unable to identify this Coprotus o

24-03-2026 15:44

Åge Oterhals

I hope someone can confirm the name of this collec

25-03-2026 15:06

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous me confirm

25-03-2026 10:35

Hulda Caroline Holte

Hello,I collected this species growing on a dead b

25-03-2026 13:54

Enrique Rubio Enrique Rubio

Does anyone know where I could download Paoletti's

25-03-2026 15:46

Michel Hairaud Michel Hairaud

Bonjour, Je sollicite de l'aide pour cette récol

24-03-2026 19:59

William Slosse William Slosse

Hello everyone,On 23/03/26, I found the following

21-03-2026 15:13

Lepista Zacarias

Hello everyone, Does any one know of any literatu

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Hymenoscyphus on branch of malus
ACAR ismail, 14-11-2019 01:10
ACAR ismailHi all
spores 14-17 x 4.6-6.2 um
Paraphyses cylindrical, acute or lanceolate, sometimes septate
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Hans-Otto Baral, 14-11-2019 09:45
Hans-Otto Baral
Re : Hymenoscyphus on branch of malus
Hi ismail

All elements except for two spores (e.g. the lower right) are dead, so I cannot easily give a name.

Hymenoscyphus seems correct. Perhaps you need to compare H. conscriptus which is typically on Salix wood/bark, although the spores sound a bit too wide.


How is the apothecium diameter? Did you look for the ascus base (croziers)?

Zotto

ACAR ismail, 14-11-2019 19:04
ACAR ismail
Re : Hymenoscyphus on branch of malus
Hi Zotto

croziers no
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ACAR ismail, 14-11-2019 19:08
ACAR ismail
Re : Hymenoscyphus on branch of malus
apotesium 1-3 mm, smallest spores 13.8 x 3.84 um
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Hans-Otto Baral, 14-11-2019 21:12
Hans-Otto Baral
Re : Hymenoscyphus on branch of malus
O.k., croziers are clearly absent, which excludes H. conscriptus and also H. calyculus and H. subferrugineus which all have croziers.

The only idea I have is H, vitigenus, but a clear idea of this I also do not have.

Did you gain a sequence of this sample?