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09-01-2026 17:41

Arnold Büschlen

Hallo, F. dilatata wird von vielen Bryoparasiten

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Danny Newman Danny Newman

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Danny Newman Danny Newman

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Blasco Rafael Blasco Rafael

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Blasco Rafael Blasco Rafael

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Marc Detollenaere Marc Detollenaere

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Riet van Oosten Riet van Oosten

Add-on topic http://www.ascofrance.com/forum/7059

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cf. Chaetospermum on XylariaCosby Campground, Grea

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Unusual, yellowish, ovate fungus growing around Annulusmagnus
Waechter Dieter, 02-06-2019 22:58
Waechter Dieter

Hello mushroom friends,
I'm stuck with this unusual, exciting find:

Morphological features:

Location: On a debarked hardwood branch, fished out of a pool with stagnant water, the branch was completely submerged
Growth form: The fruiting bodies grow around Annulusmagnus triseptatus. It looks like the mushrooms eat up Annulusmagnus.
Fruit body shape: like lying eggs
Fruit Body Width: Approx. (130) 142.8-172.7 (176.2) µm
Color: yellowish with brown encrustations

The fruiting bodies consist of a brown encrusted outer shell, a white inner shell. Both ovoid.
Inside the inner shell are spores and oil droplets
I could not discover any asci or paraphyses, but spores, so it should not be a clutch:

The spores:
globos, warty, burrs between warts form incomplete web
Dimensions:
(3.6) 3.64 - 4.5 (5.4) x (3.3) 3.5 - 4.1 (4.2) µm
Q = (1.0) 1.02 - 1.2 (1.3); N = 28
Me = 4.1 x 3.7 µm; Qe = 1.1

Do you have a bright idea?
Best regards
Dieter

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