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08-11-2025 09:15

Michel Hairaud Michel Hairaud

Bonjour, Pouvez vous m'aider à identifier ce Mol

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

08-11-2025 12:10

Elisabeth Stöckli

Bonjour, Trouvé sur tiges mortes de Rubus (ronce

08-11-2025 00:29

Francois Guay Francois Guay

I found this species in Quebec, Canada, on herbace

06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

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White ascomycete on alnus bark
Marja Pennanen, 09-12-2009 18:36
Tiny white fruitbodies: about 0,2 to 0,3 mm wide.
  • message #9760
Marja Pennanen, 09-12-2009 18:37
Re:White ascomycete on alnus bark
Funny hairs.
  • message #9761
Marja Pennanen, 09-12-2009 18:40
Re:White ascomycete on alnus bark
And strange paraphyses. Microfotos from coloured specimen.
Spores something like 7-10x2-3 and asci 30-40x7-10.
And I've got no idea even of the genus...
  • message #9762
Hans-Otto Baral, 09-12-2009 18:54
Hans-Otto Baral
Re:White ascomycete on alnus bark
Hi Marja

A Hyaloscypha for sure, but without IKI reaction of ascus apex and croziers you have no chance to identify the species.
Marja Pennanen, 09-12-2009 19:05
Re:White ascomycete on alnus bark
Thanks Zotto,.
I started from the hairs etc. I'll continue with this tomorrow, if it fits to my schedule ;)

Greetings from Marja in the winterwonderland
Marja Pennanen, 11-12-2009 11:41
Re:White ascomycete on alnus bark
No ascus reaction in MLZ, but I've got severe problems on seeing the structures in the base of asci.
Anyway H. quercicola seems to be one option (eventhough out of the borders of it's ealier collections in Finland). I'll look for others by sending a specimen tor Mr. Huhtinen ;)