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27-11-2025 12:01

Thomas Læssøe

https://svampe.databasen.org/observations/10496727

27-11-2025 11:46

Thomas Læssøe

https://svampe.databasen.org/observations/10493918

17-09-2025 10:50

Heather Merrylees

Hi there!I am hoping for any advice on the identif

29-11-2025 08:40

Andreas Millinger Andreas Millinger

Hello,on a splintered part of a branch on the grou

28-11-2025 16:45

Nogueira Héctor

November 23, 2025 Requejo de Sanabria (León) SPAI

25-11-2025 14:24

Thomas Læssøe

https://svampe.databasen.org/observations/10490522

27-11-2025 15:41

Thomas Læssøe

Spores brownish, typically 4-celled; 26.8 x 2.4;

27-11-2025 11:31

Thomas Læssøe

Collectors notes: Immersed ascomata, erumpent thro

23-09-2025 13:31

Thomas Læssøe

https://svampe.databasen.org/observations/10534623

26-11-2025 18:13

Jason Karakehian Jason Karakehian

The entire run of Mycotaxon is now available throu

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Not a Cryptodiscus but a bit like it
Björn Nordén, 17-02-2020 16:17
Hi!

Can someone please tell me what this is? It has immersed, ca 100 mym diameter ascomata with somewhat gelatinous walls forming a pore or perhaps sometimes a more elongated opening. In that way it reminds of Cryptomyces, although dark. Peridium of small rounded cells ca 2 mym in diameter. Hamathecium of thin unbranched paraphyses. Asci with a tholus with a central canal. 
Ascospores 8 per ascus, thick-walled 3-5 septate, middle cells darker (greyish), 22-25 x 8-10 mym, ends pointed to obtuse.
Non-lichenized, I -. On bark of living Ulmus glabra.

Scratching my head 
  • message #61597
  • message #61597
  • message #61597
  • message #61597
Hans-Otto Baral, 17-02-2020 16:26
Hans-Otto Baral
Re : Not a Cryptodiscus but a bit like it
Hi Björn

I suspect a pyreno, but at least Cryptodiscus you can exclude if you used Lugol (should have a hemiamyloid hymenium) and the spores are brownish.

I fear you need oil immersion for showing the details, esp. spores.

Zotto
Björn Nordén, 17-02-2020 16:34
Re : Not a Cryptodiscus but a bit like it
Yes, perhaps the percieved gel-likeness is fooling me, i need to figure out pyreno options i suppose. Added a spore picture. 


Best

Björn
Björn Nordén, 17-02-2020 16:42
Re : Not a Cryptodiscus but a bit like it
At least it is not Trematosphaeria pertusa