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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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Lachnum virgineum?
Juuso Äikäs, 27-05-2020 20:57
As I understand L. virgineum is the most common Lachnum and grows on a wide variety of substrates. Nevertheless, I don't have a conformed collection of it so far. Could this fit?

The substrate in this one is a Picea abies cone that was laying in a swampy depression. 

The spores are a bit wider than than in most of the descriptions I found with a brief search. Asci with croziers.

Spore measurements: 

(8.5) 8.8 - 10.8 (11.1) × (2.3) 2.34 - 2.6 µm
Q = (3.4) 3.5 - 4.5 ; N = 10
Me = 9.9 × 2.5 µm ; Qe = 4
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  • message #63429
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Hans-Otto Baral, 27-05-2020 21:09
Hans-Otto Baral
Re : Lachnum virgineum?
Yes, in my opinion this is L. virgineum. The droplets in the hairs are typical, they are not VB-guttules I think as the cells below are rather empty, whereas VBs occur especially in the lower half of the hairs and are responsible for reddening.
Juuso Äikäs, 27-05-2020 21:22
Re : Lachnum virgineum?
Thanks once again. Yeah, I think the droplets were on the surface. I attached another hair pic here.
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Hans-Otto Baral, 27-05-2020 21:54
Hans-Otto Baral
Re : Lachnum virgineum?
That are warts. But internally are drops, and here I see they reach also down to the base. I am not sure, maybe they are vacuolar too.