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20-09-2015 22:16

Lichenicolous fungus on Bacidia - 2015-09-19
Lepista Zacarias

Hi everyone,I found this lichenicolous fungus on t

19-09-2015 12:42

Hymenoscyphus ??
Eduard Osieck

This small whitish discomycete was found on a rott

20-09-2015 00:24

Hymenoscyphus ??
Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos. Subo unas fotos de un asco que hemo

19-09-2015 20:06

Synaptospora plumbea ?
Eduard Osieck

On the same Alnus branch with Dimerella pineti (so

18-09-2015 17:07

Cistella on pteridium
Marja Pennanen

Hi,these nearly 1mm wide cups grow on Pteridium aq

17-09-2015 22:48

Pyrenomycet on Fagus: Lophiotrema?
Regina Siemianowski

Hi to all,today I have found a black, immersed per

17-09-2015 20:45

Orbilia sarraziniana?
Chris Yeates Chris Yeates

Bonsoir tousI think I have got this correct, but a

16-09-2015 20:09

Calycellina (?) on bark of Fagus or Pyrenomycete
Andreas Gminder Andreas Gminder

Hello,   today I found a small white Hyaloscyph

16-09-2015 20:18

Psilachnum (??) on cut surface of Fagus stem
Andreas Gminder Andreas Gminder

Hello, another one which puzzles me. Macroscopic

17-09-2015 09:59

Pulvinula
Peter Wilberforce

Dear Ascofrance members,I would appreciate some he

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