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04-06-2025 15:10

Stefan Jakobsson

Hi forum, On a herbaceous stem, possibly Aegopodi

03-06-2025 20:52

Stefan Blaser

Hello everybody, I didn't get anywhere with this

04-06-2025 14:02

Matthew Rozanoff

Good morning,I was wondering if anyone recognizes

30-05-2025 10:20

Elisabeth Stöckli

Bonjour, Sur branches mortes de Salix en place (m

20-05-2025 22:15

Francois Guay Francois Guay

I found this ascomycete at the base of a dead fern

30-05-2025 17:54

Louis DENY

Hello forum!Touvé près de Belfort, altitude 350m

31-05-2025 00:51

Ethan Crenson

Hello, Last week in New York City this Orbilia wa

30-05-2025 14:40

Josep Torres Josep Torres

Hello.An ascomycete from last May 10th, sprouting

30-05-2025 17:55

Louis DENY

Hello forum!Touvé près de Belfort, altitude 350m

30-05-2025 12:53

Gernot Friebes

Hi,I'm struggling to find a name for this species.

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Pyrenomycete on Sorbus aria
Gernot Friebes, 24-03-2015 10:29
Hi,

I'm looking for help with this pyreno found on a branch of Sorbus aria lying on the ground.

Stromata without much of a defined shape or form; they are black, somewhat effused, smooth but with irregular outline and a bumpy surface due to the individual perithecia. The perithecia have a papillate ostiolum. Asci long cylindric, thin-walled and filled with numerous droplets when immature, no apical apparatus observed, IKI negative, 8-spored. Paraphyses filiform, up to 2.5 wide, tapering a little bit towards the apex. Ascospores hyaline, smooth, without sheath or appendages, usually with 1 transverse middle septum which can be difficult to observe, sometimes aseptate, only rarely somewhat constricted at the septum, (7.5)8-11(15) x 2-2.5 µm.

Not a very distinctive fungus but I'm hoping that someone might recognize it...

Best wishes,
Gernot  

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