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05-07-2025 12:38

Pyrenomycetous fungi on dead Juniperus twig
Åge Oterhals

I found this pyrenomycetous fungi in pine forest o

01-06-2025 09:37

Octospora
Charles Aron Charles Aron

Hi All, I found this Octospora growing with liver

04-07-2025 20:12

Black thready anamorph
Josep Torres Josep Torres

Hello.A fungus growing on the surface of a trunk o

20-06-2025 08:33

Ascomycete on a herbaceous stem.
Josep Torres Josep Torres

Hello.Small, blackish, mucronated surface grains s

28-06-2025 16:00

Salvia leaf parasite
Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

04-07-2025 12:43

En tallo de herbaceas 1102
Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

03-07-2025 18:40

Melampsora ??? en Salix
Castillo Joseba Castillo Joseba

me mandas el material seco de Galicia (España) re

03-07-2025 20:08

Yellowish asco on submerged Larix needles
Francois Guay Francois Guay

I found this interesting yellowish asco growing on

01-07-2025 23:37

Help with a Pleosporal.
Josep Torres Josep Torres

Hello.A Pleosporal symbiotic organism located and

02-07-2025 17:26

hymenoscyphus albidus
Yanick BOULANGER

BonjourRécolté sur une brindille au fond d'un fo

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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