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31-12-2021 12:12

Georges Greiff

Happy New Year to All! I was hoping somebody coul

15-08-2025 12:47

Philippe PELLICIER

Bonjour, j'ai récolté cette Scutellinia au Col d

15-08-2025 21:50

Bernard CLESSE Bernard CLESSE

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

13-08-2025 12:17

Castillo Joseba Castillo Joseba

De ayer en la misma muestra que el Ascobulus anter

13-08-2025 22:41

Francois Guay Francois Guay

I found this species on decaying wood in Québec,

14-08-2025 17:32

Nicolas VAN VOOREN Nicolas VAN VOOREN

Hello.In the course of forthcoming paper about Geo

15-08-2025 07:20

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello, a few days ago I have collected this Tarzet

12-08-2025 21:01

Peter Welt Peter Welt

What could this be? Fromm Torsten Richter Any ide

13-08-2025 12:01

Castillo Joseba Castillo Joseba

De ayer en KK de vacunoAscas con 20 o mas esporasa

12-08-2025 19:44

Enrique Rubio Enrique Rubio

Could someone send me a pdf copy of this article?S

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Black bitunicate Ascomycete on old Pyrenomycete
Ethan Crenson, 03-11-2017 03:43
This is from New York City, on hardwood probably Quercus, growing on top of an effuse black pyrenomycete, probably Diatrype. They appear deceptively cupulate, even discoid, but on closer inspection they appear to be collapsed stromata. The largest is perhaps .3mm in diameter. They grow amid a coarse black subiculum.

Asci are bitunicate, IKI-, 136-143 by 25-30µm.


Spores multi-septate (6-7, maybe, hard to tell), hyaline, with abundant oil droplets, and some with an appendage at one end, 39-62 by 7.5-12.5µm.


Paraphyses are irregular and septate, some bulges and occasionally branching near the tips.


Any ideas? Thanks!

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Andrew N. Miller, 03-11-2017 13:29
Andrew N. Miller
Re : Black bitunicate Ascomycete on old Pyrenomycete
Something near Thaxteriella pezizula:  http://www.discoverlife.org/mp/20p?see=I_ANM125&res=640

Andy