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17-06-2025 14:23

Josep Torres Josep Torres

Hello.A probable Hyaloscypha from last June 1st, s

18-06-2025 16:24

Andgelo Mombert Andgelo Mombert

Bonjour,Un minuscule stade imparfait, qui pousse s

18-06-2025 19:24

Bernard Declercq Bernard Declercq

Good evening,On Oenanthe aquatica we collected  a

13-06-2025 16:34

Andgelo Mombert Andgelo Mombert

Bonjour,Un petit discomycète qui me résiste. Il

11-06-2025 16:26

Jason Karakehian Jason Karakehian

Hi everyone, I am looking for the following protol

17-06-2025 12:10

Castillo Joseba Castillo Joseba

Del pasado dia 4  en bosque de hayas, en tierraA

12-03-2025 17:54

Karl Soler Kinnerbäck

Hi all!Do you agree with Scutellinia hyperborea? P

17-06-2025 12:02

Castillo Joseba Castillo Joseba

Del pasado sabado, en bosque de hayas y avellanos,

13-06-2025 09:41

Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

13-06-2025 19:57

Castillo Joseba Castillo Joseba

De ayer en bosque de hayas y avellanosEjemplar uni

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Hyaloscypha leuconica var. leuconica?
Chris Johnson, 05-12-2013 12:58
Apothecia 250-300 microns across, greyish-white.

Spores hyaline (6-0) 7.1-9.0 (-10.4) x 1.9-2.8 microns with two oil drops, from a spore-drop. Those measured within the asci were 7.7-9.9 x 2.8-3.9 microns.


Asci with 8 spores. 42-55 x 6.5-8.0 microns.


Hairs brown with hyaline tips, septate. 70-110 x 3.3-3.9 microns.


It keys reasonably well to Hyaloscypha leuconica var. leuconica, but that species has hyaline hairs.


Any thoughts welcome.


Best wishes, Chris

  • message #26103
  • message #26103
  • message #26103
  • message #26103
Hans-Otto Baral, 05-12-2013 13:04
Hans-Otto Baral
Re : Hyaloscypha leuconica var. leuconica?
Hello

the brown "hairs" are proably associated conidiophores of a hyphomycete. The hairs of the disco should be hyaline, and their morphology is important to show. 

Could it be Protounguicularia barbata?

What is the substrate?

Zotto
Chris Johnson, 05-12-2013 13:48
Re : Hyaloscypha leuconica var. leuconica?
Hello Zotto

This is from September and I no longer have material. It was on burnt wood, possibly Fagus, but not certain.

I will check out your suggestion.

Thank you,

Chris