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21-04-2026 21:00

Sylvie Le Goff

Bonjour à tousJe sollicite votre aide pour cet as

22-04-2026 01:06

Richard VALERI Richard VALERI

Bonjour à tous.Je vous présente cette Nectria s.

21-04-2026 22:14

Margot en Geert Vullings

This cup fungus was found on April 10, 2026, on lo

21-04-2026 13:36

Gernot Friebes

Hi,I am out of ideas for this one. I collected Sal

21-04-2026 13:19

Gernot Friebes

Hi,this Lophodermium on Typha has ascospores measu

21-04-2026 13:05

Gernot Friebes

Hi,this hyphomycete feels familiar but I was not a

20-04-2026 22:00

Malcolm  Greaves Malcolm Greaves

These pale yellow, hairy ascos were growing on cul

19-04-2026 21:23

Steve Clements

Bonjour, I found this anamorphic fungus on old pl

19-04-2026 20:46

Steve Clements

1 mm diameter approx spherical conidiophores on pl

12-04-2026 17:56

Hardware Tony Hardware Tony

Found on dead stems in February earlier this year

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Olla sp.
Yannick Mourgues, 15-12-2024 14:34
Yannick Mourgues
HI.

Found this very small cf. Olla specie on decorticated wood of Fagus

Asci IKI+ croziers+

Paraphyses filiformes

Spores with 2 guttules at eatch side, 5,6-6,8 x 1,9-2,3 µm  Q=2,5-3,5 N=15

Any idea ?

Yannick
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Hans-Otto Baral, 15-12-2024 21:07
Hans-Otto Baral
Re : Olla sp.
Well, you must show the hairs!
Yannick Mourgues, 31-12-2024 11:51
Yannick Mourgues
Re : Olla sp.
Yes of course. Here are 2 pictures of hairs in RC and 1 in Lugol.
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Hans-Otto Baral, 31-12-2024 18:08
Hans-Otto Baral
Re : Olla sp.
That's good. I think we can name it Olla scrupulosa. One unpublished sequence exists of it (by Ingo Wagner), and the observation that it is close to an Arbusculina anamorph. But a sequence of O. "millepunctata" in GB is 100% the same so is probably scrupulosa.