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08-03-2025 14:54

Ethan Crenson

Hello all, This is a recent find from New York Ci

08-03-2025 16:21

Yanick BOULANGER

BonjourDialonectria episphaeria sur Diatrype stigm

08-03-2025 08:47

Danny Newman Danny Newman

Hello AscoFrance, I believe I may have found the

06-03-2025 21:53

Charles Grapinet Charles Grapinet

Hello, I found a very abundant Phaeosphaeria on t

04-03-2025 21:27

Yanick BOULANGER

BonsoirPetites fructifications jaunes récoltées

06-03-2025 17:23

Vasileios Kaounas Vasileios Kaounas

Found 13/2/25 on moss, very far away, only almond

06-03-2025 23:27

Edvin Johannesen Edvin Johannesen

Hello!I have a collection with acervuli of Asteros

04-03-2025 15:38

Hardware Tony Hardware Tony

Found on I what I think is Phyllostachys aurea, mo

06-03-2025 11:45

Wim de Groot

Several smal patches of Hypoxylon ticinense (sl?)

30-06-2018 14:36

Jan Knuiman

Growing on a rotten twig of a broadleaf tree (Sali

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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