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24-03-2024 08:27

Thierry Blondelle Thierry Blondelle

HiOn Hedera helix fallen branchEcological habitat:

26-04-2024 10:07

Mathias Hass Mathias Hass

Hello, Does anyone know what this is? Found on J

24-04-2024 21:54

éric ROMERO éric ROMERO

Bonjour, J'ai trouvé ce Lasiobolus sur laissées

23-04-2024 15:18

Lothar Krieglsteiner Lothar Krieglsteiner

... but likely a basidiomycete. I hope it is o.k.

23-04-2024 13:17

Edouard Evangelisti Edouard Evangelisti

Bonjour à tous, Je viens de récolter ce que je

23-04-2024 21:49

Ethan Crenson

Hello all, A friend recently found this orange as

22-04-2024 11:52

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,I made a loan of a collection of Microstoma

11-01-2022 16:36

Jason Karakehian Jason Karakehian

Hi does anyone have a digital copy of Raitviir A (

22-04-2024 08:54

Rafael Cabral

Bonjour à toutes et tous, Quelqu'un pourrait-il

22-04-2024 20:38

Miguel Ãngel Ribes Miguel Ángel Ribes

Good afternoon.Does anyone know this anamorph?It g

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Tiny white Helotiales
Nicolas VAN VOOREN, 26-10-2020 09:58
Nicolas VAN VOORENHi.
Here is the tiny white discomycete (~0.1 mm Ø) growing on dead branch of Salix (still attached), with Orbilia vinosa.
Asci 72-76 x 10 µm, without crozier, IKI-
Paraphyses filiform, 1.5-2 µm Ø, very flexuous.
Ascospores of heterogeneous shape, 10-15 x 3.5-4 µm

I have no idea of the genus...
Nicolas
  • message #65577
  • message #65577
  • message #65577
Stip Helleman, 27-10-2020 12:26
Stip Helleman
Re : Tiny white Helotiales
Hi Nicolas
Are you sure no hairs? They can be very inconspicuous in Hyaloscypha in my experience.
Cheers
Stip
Nicolas VAN VOOREN, 27-10-2020 12:47
Nicolas VAN VOOREN
Re : Tiny white Helotiales
I can try a new mount to check that.
Adam Polhorský, 27-10-2020 15:41
Re : Tiny white Helotiales
Hello,

Hyaloscypha minuta seems like good option. The hairs are not well developed there.
Nicolas VAN VOOREN, 27-10-2020 17:39
Nicolas VAN VOOREN
Re : Tiny white Helotiales
Here are two pictures of marginal cells (taken from the outside of an apothecium). No hairs or no hairs of Hyaloscypha-type.
  • message #65595
Stip Helleman, 27-10-2020 19:13
Stip Helleman
Re : Tiny white Helotiales
How disappointing, I would have bet on it.
With this lack of characters I have no idea for a genus.
Cheers, Stip
Hans-Otto Baral, 28-10-2020 06:40
Hans-Otto Baral
Re : Tiny white Helotiales
I agree with H. minuta (= Parorbiliopsis minuta). That species has very minute hairs or not at all any.

But I estimate the diameter of the apos at max. 0.5 mm.

Zotto
Nicolas VAN VOOREN, 28-10-2020 10:47
Nicolas VAN VOOREN
Re : Tiny white Helotiales
OK thanks.