Disco on Picea - Forum ASCOFrance

23-03-2026 20:16

Coprotus 210226 315

Miguel Ángel Ribes

Good eveningI'm unable to identify this Coprotus o

24-03-2026 15:44

Leptodontidium cf. trabinellum

Åge Oterhals

I hope someone can confirm the name of this collec

24-03-2026 11:58

Una para ID

Castillo Joseba

Me mandan el material de Galicia, recolectado en c

21-03-2026 15:13

MYXOMYCETICOLOUS FUNGI

Lepista Zacarias

Hello everyone, Does any one know of any literatu

23-03-2026 13:24

Literature search

Paul Cannon

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20-10-2017 09:23

Hymenoscyphus ¿calycinoides?

Garcia Susana

Este otro crecía en el mismo trocito de madera qu

21-03-2026 22:59

Hysteriaceae ??

Petr Soucek

Good evening, I would appreciate some advice on th

20-03-2026 12:53

Eutypa spec. (?)

Stefan Blaser

Hello everybody, In the field, from distance, my

20-03-2026 16:16

Pseudomassaria-like on Cornus alba

Edvin Johannesen

These 0.5 mm diam. acervuli were breaking through

19-03-2026 19:34

Xylariaceae? on Carpinus betulus wood

Filip Fuljer

Hello everyone,a few days ago I collected this str

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Disco on Picea

Stefan Blaser, 04-07-2013 14:28

Hello everybody

Can anyone help me with this species?

Substrate: On dead, hanging Picea abies twig

Macro: Apothecia sessile, completely covered with a nearly black cuticle when young, tearing up and exposing the greyish disc. Discs mostly 2-3 mm in diam.

Micro: Asci club-shaped, 155-175 x 20-25 µm. Paraphyses cylindric, filiform, about 2 µm diam. Spores extremely thick-walled (or with a persistent slime sheath?), usually 34-45 x 10-12.5 µm. Outer shape broadly fusiform. Excipulum (cuticular layer) consisting of very strongly dark-brown pigmented, angular or rounded cells.

Thank you for any comments

Stefan