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14-11-2025 16:26

Marian Jagers Marian Jagers

Hello everyone, On dead wood of Cytisus scoparius

17-11-2025 21:46

Philippe PELLICIER

Bonjour,Récolté sur bois pourrissant de feuillu

20-11-2025 14:14

Mick Peerdeman

Found on the leaves of 'Juglans regia' in the Neth

20-11-2025 13:07

Mick Peerdeman

In January i found these black markings on the dea

20-11-2025 12:38

Mick Peerdeman

Dear all,Last week i stumbled upon a leaf of ilex

19-11-2025 23:21

carl van den broeck carl van den broeck

Dear guestIn Waardamme, Belgium, I found dozens of

19-11-2025 20:51

Andreas Millinger Andreas Millinger

Good evening,found this species on a felled trunk

19-11-2025 13:04

Bruno Coué Bruno Coué

Bonjour,je  sollicite votre avis pour la récote

18-11-2025 18:26

David Malloch David Malloch

I am trying to locate the article, Müller, E. 195

16-11-2025 21:09

Robin Isaksson Robin Isaksson

Anyone recognize this acc. to pictures.? Found on

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Hypoxylon multiforme (Fr.) Fr. (?)
Esquivel-Rios Eduardo, 05-03-2013 20:53
Hi all.

Found in dead wood.

Stromata pulvinate, effused at base to slightly constricted, usually coalescent,25 mm diam x 2-5mm thick; surface black-grey. Perithecia spherical to obovoid, 500-700 µm diam x 600-700 µm high, discretely surrounded by a carbonaceous stromatal layer.Ostioles papillate, conical, black, sometimes at the centre of a discoid depression 150-230 µm diam.Asci 150-185 µm total length, the spore bearing-parts 64-86 µm long x 5.5-6 µm broad, the stipes 80-120 µm long, with apical ring discoid, amyloid, 0.8-1.2 µm high x 2-2.8 µm broad.Ascospores light brown to brown, ellipsoid-inequilateral, frequently crescent-shaped, 8.8-10.3 x 3.7-4.9 µm with faint straight germ slit less than spore-length.
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Thomas Læssøe, 06-03-2013 10:02
Re : Hypoxylon multiforme (Fr.) Fr. (?)
Hi there

You forgot to tell when, where and on what :-)

cheers

Thomas