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Mot de passe perdu? S'inscrire

17-01-2026 10:41

Blasco Rafael Blasco Rafael

Hola, he descubierto que he creado una Pulvinula t

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

16-01-2026 00:45

Ethan Crenson

Hi all, On decorticated hardwood from a New York

16-01-2026 11:20

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia (España) 

10-01-2026 20:00

Tom Schrier

Hi all,We found picnidia on Protoparmeliopsis mur

13-01-2026 07:28

Danny Newman Danny Newman

Chlorociboria glauca on indet. decorticate logThe

15-01-2026 15:55

Lothar Krieglsteiner Lothar Krieglsteiner

this one is especially interesting for me because

15-01-2026 10:35

Johan Boonefaes Johan Boonefaes

Last week I found this fungus, possibly a hyphomyc

13-01-2026 08:43

Danny Newman Danny Newman

Tricladium varicosporioides on indet. decorticate

07-01-2026 22:22

Danny Newman Danny Newman

Tatraea sp. on indet. hardwood The Swag, Great Sm

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Karstenia? anamoph?
Margot en Geert Vullings, 28-12-2025 12:08
This possible Karstenia was found on the bark of deciduous wood. We found only two septate spores that point to Karstenia idaei, and we think we see the periphysoids.
Spore measured in water: 50 × 3 µm
When making a slide, orange strings containing many anamorphic spores emerged from beneath these craters.
Conidia measured in water: 6.7 - 7.5 × 1.6 - 1.9µm, Q = 3.6 - 4.6
Could this be the anamorph of K. idaei? We haven't found any anamorphs of Karstenia idaei in Ellis&Ellis or online.

Thank you in advance for your help, 

Geert&Margot
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Lothar Krieglsteiner, 28-12-2025 12:13
Lothar Krieglsteiner
Re : Karstenia? anamoph?
I don`t think so. Look better in the vicinity of Valsa and Leucostoma.
Yours, Lothar
Martin Bemmann, 28-12-2025 12:49
Martin Bemmann
Re : Karstenia? anamoph?
the tiny black spots could be an Eutypella quaternata with its orange anamorph Libertella faginea.

Though the septate conidia look more like a Fusarium. Maybe another contamination...

Regards

Martin
Margot en Geert Vullings, 28-12-2025 15:50
Re : Karstenia? anamoph?
Thanks to both of you for the replies.
We'll continue our search and see if we can find asci.

Martin: The orange strands emerged from under the white perithecia when I poked them. We also initially thought it was Eutypella quaternata, which we've seen before, but we couldn't place it with the white discs.

Best regards, Geert&Margot