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12-01-2026 05:24

Danny Newman Danny Newman

Cyathicula coronata on Urtica dioicaCataloochee Di

11-01-2026 20:35

Josep Torres Josep Torres

Hello.A very tiny pyrenomycete sprouting sparsely

15-12-2025 11:49

Danny Newman Danny Newman

ITS sequences from the following two collections B

09-01-2026 17:41

Arnold Büschlen

Hallo, F. dilatata wird von vielen Bryoparasiten

10-01-2026 20:00

Tom Schrier

Hi all,We found picnidia on Protoparmeliopsis mur

07-01-2026 22:22

Danny Newman Danny Newman

Tatraea sp. on indet. hardwood The Swag, Great Sm

10-01-2026 01:18

Danny Newman Danny Newman

cf. Neovaginatispora fuckelii on indet. shrub Pre

07-01-2026 10:24

Danny Newman Danny Newman

Pezicula sp. on indet. hardwood Appalachian Highl

09-01-2026 10:08

Blasco Rafael Blasco Rafael

Hola, en el mismo habitat que la anteriorRetamaDia

08-01-2026 21:22

Blasco Rafael Blasco Rafael

Hola, He recogido esta muestra de Orbilia sobre Re

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ascomata with dark hymenium and red-brown excipulum?
François Bartholomeeusen, 21-10-2021 15:44
Dear forum members,

On a rotten piece of wood I found among several fruiting bodies of Mollisia melaleuca other ascomata of which the hymenium is blue-black and the excipulum red-brown.
Plenty of paraphyses and only a few asci. 12 days after the find still few asci and mature spores;
- Diameter ascomata < 1.5 mm;
- Spores: ellipsoid with two drops: 8.4 - 10.5 × 4.3 - 5.2 µm, Q = 1.9 - 2.4;
- Asci: clavate, with croziers, IKI (+/- no reaction) in Melzer + (blue): 120 x 7.7 µm;
- Paraphyses: hyaline with dark top, filiform, apex round and a bit swollen, longer than asci;
- Textura globulosa and ectal excipulum more hyaline and textura intricata.

Macroscopically similar to Pattelariopsis atrovinosa but the spores are different.
Who can help me with the identification?

Thank you very much in advance,

François Bartholomeeusen
  • message #70394
  • message #70394
  • message #70394
  • message #70394
  • message #70394
  • message #70394
  • message #70394
  • message #70394
Viktorie Halasu, 21-10-2021 17:07
Viktorie Halasu
Re : ascomata with dark hymenium and red-brown excipulum?
Hello,
compare with Ascocoryne lilacina.
Viktorie
Hans-Otto Baral, 21-10-2021 17:15
Hans-Otto Baral
Re : ascomata with dark hymenium and red-brown excipulum?
Yes, this is the solution. But IKI gives the reaction also. Perhaps the reagent is too old? Previously called Ombrophila lilacina.
François Bartholomeeusen, 21-10-2021 20:57
Re : ascomata with dark hymenium and red-brown excipulum?

Good evening Viktorie and Zotto,

During my search, I saw a picture of fully-grown Ascocoryne lilacina, but it differed so much from my find that I ignored it.
Thank you very much for your quick reply!

Kind Regards,

François
Hans-Otto Baral, 21-10-2021 21:57
Hans-Otto Baral
Re : ascomata with dark hymenium and red-brown excipulum?
You have the form with an olive disc. Usually O. lilacina has a lilaceous disc but it seems the olive pigment that occurs in the VBs in some samples has no relevance.