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01-03-2026 18:46

Robin Isaksson Robin Isaksson

Hi!This species i se from time to time in the earl

01-03-2026 08:55

Michel Hairaud Michel Hairaud

Bonjour , Je souhaiterais recevoir cet article :Â

01-03-2026 15:31

Csaba Németh Csaba Németh

Hello!I found these apothecia on Homalothecium lue

01-03-2026 18:02

Francois Guay Francois Guay

I found this mystery Helotiales on an incubated le

01-03-2026 17:51

Bruno Coué Bruno Coué

Bonjour,sur vieilles crottes de sanglier en chambr

27-02-2026 17:51

Michel Hairaud Michel Hairaud

Bonjour, Quelqu'un peut il me donner un conseil p

01-03-2026 14:10

Antonio Couceiro Antonio Couceiro

Hola, me gustaria conocer opiniones sobre este tem

24-02-2026 00:21

Benoît Segerer

Hello,I'm new to this forum, I hope I won't be irr

19-02-2026 17:49

Salvador Emilio Jose

Hola buenas tardes!! Necesito ayuda para la ident

28-02-2026 11:05

Yanick BOULANGER

Bonjour à tousLe 24/02/2026 à Montmacq, devant m

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Greenish asco on pine?
Mirek Gryc, 20-12-2025 15:47
Hi.
These grew on pine wood that was heavily covered in algae, which likely explains their greenish tint. The asci showed a negative reaction to iodine (IKI-). Unfortunately, I was unable to observe any croziers. Spores (9.8) 11.1 - 12.7 (12.9) × (3.4) 3.7 - 3.9 (4.7) µm.
Other characteristics are shown in the attached photos. Is it possible to identify them further based on this information?
Best regards,
Mirek
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Michel Hairaud, 20-12-2025 16:29
Michel Hairaud
Re : Greenish asco on pine?
Bonjour Myrek , 
Did you consider an apothecia in Vezdaea ? (I am not sure but the septate spores as seen andsubstrate could match) 
AMitiés. Michel
Hans-Otto Baral, 20-12-2025 17:20
Hans-Otto Baral
Re : Greenish asco on pine?
I consider the genus Coenogonium (former Dimerella).
Zdenek Palice, 20-12-2025 17:41
Zdenek Palice
Re : Greenish asco on pine?
Hallo,

agreement with Zotto,

Coenogonium pineti

omnipresent forest microlichen

hymenium should be amyloid

Zdenek
Mirek Gryc, 20-12-2025 17:49
Re : Greenish asco on pine?
Dear both,
Michel's suggestion had already prompted me to look in a different direction. The familiar appearance of the paraphyses tips reminded me of a species I have microscoped before, namely Coenogonium pineti. However, the fruitbodies of this species that I've encountered so far were larger. I cannot be entirely certain, but Zotto's suggestion reinforces my suspicion that this is indeed the species. The spore size is also a good match.
Lately, I've had a knack for finding ascomata whose small size exceeds the capabilities of my microscopy equipment.
Thank you both very much for your interest and help.
Best regards,
Mirek
Mirek Gryc, 20-12-2025 17:56
Re : Greenish asco on pine?
My thanks to Zdenek as well. Best regards!

Mirek
Mirek Gryc, 20-12-2025 18:03
Re : Greenish asco on pine?
A brief follow-up to Zdenek's comment:
Unfortunately, I did not observe a blue iodine reaction in the hymenium, which was somewhat misleading. However, I have read that this reaction can be very fleeting, so it is possible that I was too slow with my observation.
Thank you all once again.
Hans-Otto Baral, 20-12-2025 20:16
Hans-Otto Baral
Re : Greenish asco on pine?
I think you will obtain a distinct blue reaction when you pretreat with KOH and add IKI after washing with water. The reaction of the outer ascus wall is hemiamyloid.