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25-01-2026 23:23

Tomaz Vucko Tomaz Vucko

Hello! I found this species that resembles Delitsc

06-02-2026 01:14

Tomaz Vucko Tomaz Vucko

Hello!How would you name this species? Most perith

04-08-2014 17:35

Leandro Sánchez Leandro Sánchez

Sur branche de feuillus, jusqu'à 22 mm diamètre,

05-02-2026 15:07

Vasileios Kaounas Vasileios Kaounas

Found on a fallen needle of Pinus halepensis, diam

05-02-2026 06:43

Stefan Blaser

Hello everybody, Any help on this one would be mu

18-08-2025 15:07

Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

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Big spored Hyalopeziza?
Marja Pennanen, 26-06-2019 08:36
Hello forum,

these about 0,1-0,2 mm wide ascos grow on Prunus padus leaves and are a bit red coloured.

The spores are guite big 12-18x2,5-3.

The asci are 40-50x7-8.

The hairs are about 15-40x3-5 and have a basal lumen and seemed to keep their shape in KOH.

I had no luck in determination. Any ideas of the species?

Marja
  • message #58270
  • message #58270
  • message #58270
Hans-Otto Baral, 26-06-2019 09:31
Hans-Otto Baral
Re : Big spored Hyalopeziza?
Hi Marja, did you compare Hyalopeziza raripila and Naevia diaphana? They both have a red reacting apical ring and stand in the Calloriaceae in my Iridinea folder.
Zotto
Marja Pennanen, 26-06-2019 10:59
Re : Big spored Hyalopeziza?
Dear Zotto,

I naturally checked H. raripila from Raitviir's opus and this had too big spores anf did not grow on dead herbaceous stems. But I suppose, that H. raripila will be my determination now.

Thank you : Marja
Hans-Otto Baral, 26-06-2019 12:43
Hans-Otto Baral
Re : Big spored Hyalopeziza?
Yes, spore width exludes diaphana.