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13-06-2025 09:41

Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

13-06-2025 16:34

Andgelo Mombert Andgelo Mombert

Bonjour,Un petit discomycète qui me résiste. Il

24-07-2025 19:02

Castillo Joseba Castillo Joseba

De esta mañana en tronco caido de Haya A ver si

21-07-2025 19:22

Ethan Crenson

Hello all,  Here is an Orbilia found by a friend

14-07-2025 11:20

Michel Hairaud Michel Hairaud

Bonjour, Voici une espèce de  (?) Hyaloscyphace

18-07-2025 23:03

Josep Torres Josep Torres

Hello.Fruitings between 51 and 130 microns in tota

17-07-2025 11:55

Castillo Joseba Castillo Joseba

De ayer en bosque de hayas y abetos, en tieraEjemp

16-07-2025 17:34

Bernard Declercq Bernard Declercq

Hello,I have trouble distinguishing above mention

15-07-2025 13:27

Angel Pintos Angel Pintos

Hello, does anyone have access to the following ar

16-01-2023 21:31

Riet van Oosten Riet van Oosten

Hello, Nearby the find of Calycina claroflava on

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Cheilymenia (?) on bird bedding with seed husks and likely excreta
Stephen Martin, 15-12-2021 16:24
Stephen MartinI am struggling with this Cheilymenia and I cant even decide the section using Moravec's (2005) keys. 

The Apothecia were clustered, 3-5mm on seed husks and possibly excreta probably of some exotic cage bird dumped on soil (are there also burnt elements ?)

First of all I cant see any striations in the ascospores, evenat x630 stained in cotton blue. Their size is about 17 x 10 um. The asci have h-shaped or boot-heel shape, 8-spore, J -ve. The hairs are septate  (x1 - x2) thickwalled and with a lateral bulbous base (a bilbous structure at one side of the hair), the longest about 220 um long, hyaline, barely visible with naked eye.

The texture of the medullary excipulum is globose (to prismatic) but I cant see textura intricata.

The paraphyses are only slightly enlarged at the apex.

There are also infalted hyphae about 25 um long sitting on narrow hyphae.

I made my mind on Cheilymenia theleboloides s.l. , but these should have striated spores ?!?!

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Stephen Martin, 15-12-2021 17:15
Stephen Martin
Re : Cheilymenia (?) on bird bedding with seed husks and likely excreta
Cheilymenia theleboloides f. glabra is my best or favourite option. But if spores are smooth I am clueless.
Peter Püwert, 16-12-2021 00:55
Peter Püwert
Re : Cheilymenia (?) on bird bedding with seed husks and likely excreta
Hi, I have seen striate spores only in a very mature state. The substrate seems to prefer this species. (Look the photos in the Link) Regards Peter.

Charles Aron, 16-12-2021 10:48
Charles Aron
Re : Cheilymenia (?) on bird bedding with seed husks and likely excreta

Hi Stephen and Peter,


I also had this species on what looked like old dung. You IDed it for me, Peter. I was confused because i could not find hairs but in other respects it agreed with theleboloides so I also concluded that it was the f. glabra.


Charles.

Stephen Martin, 17-12-2021 10:47
Stephen Martin
Re : Cheilymenia (?) on bird bedding with seed husks and likely excreta
Thanks dear friends. I realise that the striations are incredibly fine from the link. So we can assign this population to C. t. f. glabra. Indeed the hairs are easily missed Charles.

The best thing to do is to prepare a slide specifically for examination of hairs. So, when you slice a section, you try to get the outer layer of the cup (from hymenium margin sliced down to the base) and avoiding the hymenium and axcipulum medulla  (difficult on a 2mm ascocarp!) Observing cross-sections of the ascocarps result in only 10% of the material which may possess hairs, and being not so dense chances are to miss them.

I prepared a non-Picasso diagram ;-)
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Charles Aron, 17-12-2021 14:57
Charles Aron
Re : Cheilymenia (?) on bird bedding with seed husks and likely excreta

Hi again,


Many thanks for your advice. I did, in fact, use that technique to look for hairs but failed to find any.


Charles.