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15-10-2025 16:39

Edvin Johannesen Edvin Johannesen

These tiny (0.2-0.6 mm), white, pulvinate apotheci

03-10-2025 13:44

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde on Populus

13-10-2025 19:05

Louis DENY

Bonjour forumSur tronc décortiqué de feuillu x,

17-02-2013 21:11

Peter Welt Peter Welt

Jamoni, P.G. 1998. Un nuovo discomicete coprofilo

11-10-2025 20:27

Marcel Heyligen Marcel Heyligen

Found on a barked branch, 14 mm in diameter, of Ro

11-10-2025 14:20

Jean-Luc Ranger

bonjour à tous, Je ne vois pas comment l'on peut

09-10-2025 22:14

S. Rebecca

We just had the Bavarian Mycology Conference in Au

10-10-2025 00:49

Ethan Crenson

Hello all, This was found last weekend on a hardw

06-10-2025 15:57

David Chapados David Chapados

Hi, Could anyone help me with this Lophiostoma? 

04-10-2025 02:13

Francois Guay Francois Guay

Hi everyone,   I found this Hymenoscyphus growi

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Another Lachnum for identification
Jan Knuiman, 30-06-2018 14:36
Growing on a rotten twig of a broadleaf tree (Salix, Populus, Betula) in a moist environment. This one grew very close to that of my previous topic on Lachnum (29-06-2018).
Cup diameter: max 1 mm.
Stipe height: 0.5-1.0 mm.
Spores: 6.5-9.5 x 1.4-2.4 µm.
Paraphyses: sometimes with a swollen part and protruding the asci by 20 -25 µm. Width: 3.0-7.5 µm.
Hairs: with septa and a maximum length of 60 µm.
Crouziers: I would guess yes.

What Lachnum species could this be?


Jan

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Hans-Otto Baral, 30-06-2018 14:44
Hans-Otto Baral
Re : Another Lachnum for identification
Croziers are cleary visible on your beforelast photo. I guess again L. pubescens. L. subvirgineum has longer, more capitate hairs

Zotto
Jan Knuiman, 30-06-2018 15:14
Re : Another Lachnum for identification
Thanks Zotto for your quick reply!
Jan
Hans-Otto Baral, 30-06-2018 16:20
Hans-Otto Baral
Re : Another Lachnum for identification
I have a folder "pubescens cf., salicis, Salix" on my homepage which includes samples on Salix (but the type of L. pubescens was also on Salix and might be the same).

Salix and Populus are not easy to distinguish from the wood anatomy, but Betula is quite different.
Hans-Otto Baral, 05-03-2025 21:16
Hans-Otto Baral
Re : Another Lachnum for identification
Dear Jan

I would like to upload your two sequences for an article on Lachnum in Boletus. Did you receive my mail?

As for LP1 I guess the branch is about 10 mm thick, not 3 mm as I have noted.

The collection data are complete, but I need the institute where Jorinde Nuytinck works.

It should be the Naturalis Biodiversity Center in Leiden.

I think I will write her too.

Zotto