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03-02-2026 20:44

Zetti Mario

When I first saw this white mould on an Agaricus s

18-08-2025 15:07

Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

02-02-2026 09:29

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pour cette récolte de 2

01-02-2026 19:29

Nicolas Suberbielle Nicolas Suberbielle

Bonjour, Marie-Rose D'Angelo (Société Mycologiq

30-01-2026 22:49

éric ROMERO éric ROMERO

Bonjour tous, Récolté dans les Vosges le 22/10/

31-01-2026 09:17

Marc Detollenaere Marc Detollenaere

Dear Forum,On decorticated wood of Castanea,I foun

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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?