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05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

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

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

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Lophiostoma semiliberum
Riet van Oosten, 05-08-2018 12:27
Riet van Oosten
Hello,

Found 29-07-2018, on dead stem of Phragmites (see new topic for the other stem)

Ascospores: 32.9-32.9-34.3-35.8-40.8 x 5.7-5.7-6.3-6.4-6.9 µm.

- Chesters, C.G.C. & A. Bell (1970) Studies in the Lophiostomataceae, p. 11: 30-43 x 5.5-8 µm


- Microfungi on Land Plants, p. 436: 30-40 x 6-8 µm

-Van Ryckegem, G. (2005) Fungi on common reed (Phragmites australis). Fungal diversity, community structure and decompositions processes, p. 341: 28-39 x 6-8 µm


Is Lophiostoma semiliberum correct?

Also some brown ascospores, contamination?

Best wishes, Riet
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Pascal RIBOLLET, 06-08-2018 15:22
Re : Lophiostoma semiliberum
Hello Riet,
To my opinion it fits well Lophiostoma semiliberum. To compare I used Holm & Holm (Holm² for Alain), 1988 "Studies in the Lophiostomataceae with emphasis on the swedish species".
Brown ascospores may be overmature...

Best wishes
Pascal
Riet van Oosten, 06-08-2018 16:24
Riet van Oosten
Re : Lophiostoma semiliberum
Hello Pascal,
Thank you very much!
Best wishes, Riet
Riet van Oosten, 06-08-2018 16:59
Riet van Oosten
Re : Lophiostoma semiliberum
If someone could send me Holm & Holm I would be very grateful :-)
Pascal RIBOLLET, 06-08-2018 17:03
Re : Lophiostoma semiliberum
...Check your mailbox...
Pascal
Riet van Oosten, 06-08-2018 17:12
Riet van Oosten
Re : Lophiostoma semiliberum
Thank you so much Pascal!