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20-03-2026 12:53

Stefan Blaser

Hello everybody, In the field, from distance, my

20-10-2017 09:23

Garcia Susana

Este otro crecía en el mismo trocito de madera qu

20-03-2026 16:16

Edvin Johannesen Edvin Johannesen

These 0.5 mm diam. acervuli were breaking through

19-03-2026 19:34

Filip Fuljer Filip Fuljer

Hello everyone,a few days ago I collected this str

19-03-2026 18:25

William Slosse William Slosse

Good evening everyone, On 18/03/26 I found a few

17-03-2026 10:09

François Freléchoux François Freléchoux

Bonjour, Voici la description rapide d'un petit d

19-03-2026 15:58

Stefan Blaser

Hello everybody, I hope for some hints... Macro:

19-03-2026 17:50

Enrique Rubio Enrique Rubio

Hi to everybodyThese thiny, blackish pseudothecia

18-03-2026 13:09

Khomenko Igor Khomenko Igor

I recently examined Celtis occidentalis branches

17-03-2026 19:41

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Pourriez-vous m'aider à

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Yellow Discomycete on Dung
Charles Aron, 23-11-2020 17:39
Charles Aron

Hi All,


I found this yellow Discomycete on dung, presumably dog, buried in sand amongst dunes. Despite it being relatively large and conspicuous I have strugled for an ID.


Apothecia are yellow-orange, disc shaped, up to 8mm. The margin is slightly raised and crenulate under low power. Ascospores are smooth, ellipsoid, without guttules, 17.5-22x10-13. Asci are 168-235x15-18 and without iodine reactions (Melzers). Paraphyses are slightly swollen to 6-9, some capped by amorphous matter. Excipulum is mostly a textura globosa with some cells up to 50. Some hair-like chains of cells towards the margin c100 long.


I'd be grateful for some ideas.


Kind regards,


Charles.  

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Peter Püwert, 23-11-2020 17:58
Peter Püwert
Re : Yellow Discomycete on Dung
Hi Charles,

in my opinion Cheilymenia theleboloides.

Peter.
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Charles Aron, 23-11-2020 18:23
Charles Aron
Re : Yellow Discomycete on Dung

Many thanks for this although I'm unsure. I ruled out Cheilymenia as I couldn't find any distinct hairs. Also (if E & E are right) paraphyses should only be swollen to 3-4.


Kind regards,


Charles.


 

Charles Aron, 23-11-2020 21:16
Charles Aron
Re : Yellow Discomycete on Dung

Hi Peter,


I've had another look for hairs and failed to find them, however, it seems that the hairs are easy to overlook in this species. Also there's a C. theleboloides f. glabra listed on FRDBI suggesting that the hairs can be hard to find! As you suggested, C. theleboloides does seem the closest fit.


Kind regards,


 


Charles.