Yellow Cup - Forum ASCOFrance

11-01-2022 16:36

Literature request: Raitviir (2004) Revised synopsis of Hyaloscyphaceae?

Jason Karakehian

Hi does anyone have a digital copy of Raitviir A (

22-05-2026 20:08

tiny gray asco on Pinus strobus / moss

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Hello all, Yesterday in NYC I was visiting an e

22-05-2026 18:12

Lothar Krieglsteiner

... in moist chamber from Portugal.As the fungus s

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Mollisia on Juncus

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We found this Mollisia on dead Juncus stems mown l

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Rebentischia-like on Acer campestre

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Hi,superficial ascomata collected on bark of a liv

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minute Saccobolus from cow-dung (moist chamber from Portugal)

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in unripe condition citrine yellow, then soon fadi

22-05-2026 13:29

Pseudophacidium ?necans on Vaccinium myrtillus

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Hi,I am curious to hear your opinion on this mater

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Leptosphaeria? sur Phragmites

Nicolas VAN VOOREN

Trouvé sur Phragmites, ce que je pense être un L

20-05-2026 21:49

Lachnum on Juncus -> Lachnum pudicellum

Margot en Geert Vullings

We found this Lachnum on Juncus stems mown last ye

21-05-2026 17:01

Recherche de document

Pierre Repellin

Bonjour à toutes et à tous,Je recherche l'articl

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Yellow Cup

Anthony Carter, 08-11-2023 16:51

Found on mossy soil in woodland of Corylus, Crataegus and Betula. Size 5mm across and 5mm deep with a small stem. The yellow has been enhanced by my scanner but it was was easy to see in a dark wood on a dull day. My original thought was Tarzetta but the spores, with oil drops, are only 10-12 x 5-6um.
I should appreciate any guidance for further research.

Nicolas VAN VOOREN, 08-11-2023 17:05

Re : Yellow Cup

Tarzetta species has asci without croziers, so your collection cannot be assigned to this genus. Maybe an Arpinia species...

Till Lohmeyer, 08-11-2023 18:01

Re : Yellow Cup

The ascocarp is a bit small - perhaps not fully grown yet -, but colour, spore-size, oildrops and the wrinkled outside remind me of yellow Otidea species ("clade concinna"), former genus Flavoscypha.

Regards from Bavaria
Till

Nicolas VAN VOOREN, 08-11-2023 18:07

Re : Yellow Cup

Yes, you're right Till. Clearly an Otidea species!
Something close or identical to O. phlebophora. See https://doi.org/10.25664/ART-0284

Anthony Carter, 20-11-2023 17:38

Re : Yellow Cup

Thank you both for your input. I can research further. I would never have thought of this Genus.

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