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04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

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

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

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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Geoglossum sp.
Vasileios Kaounas, 30-12-2019 09:12
Vasileios Kaounas
Found in forest with Pinus halepensis, near to Olea.

asci (186.9) 192.9 - 220.1 (235) × (16.6) 19.4 - 21.2 (23.6) µm

spores (103.3) 110.7 - 135.7 (136.2) × (11.6) 12.9 - 13.4 (13.7) µm
Jacky Launoy, 30-12-2019 09:43
Re : Geoglossum sp.
Try Geoglossum fallax. If not look if the ascus is amyloid or hemiamyloid
Luc Lenaerts, 30-12-2019 14:47
Luc Lenaerts
Re : Geoglossum sp.
Hi,

I think it's Geoglossum cookeanum, because of the 7-septate spores and the presence of much moniliform chaines in the parafyses. Difference with Geoglossum barlae sensu stricto with rotated, distorted and intertwined paraphyses and almost without clear moniliform chains in the paraphyses is sometimes difficult. In my opinion the spores here are not 110-135 µm long, but much smaller.

Kind regards
Luc Lenaerts
Sabino Arauzo, 30-12-2019 15:17
Re : Geoglossum sp.
Yes, Geoglossum cookeanum, the spore measures must be wrong.

Sabino.
Peter Püwert, 30-12-2019 15:25
Peter Püwert
Re : Geoglossum sp.
Hi,

I agree with Luc and Sabino.

Greetings Peter.
  • message #60698
  • message #60698