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17-09-2024 02:12

B Shelbourne B Shelbourne

• Macro and habitat seems like Hymenoscyphus s.l

16-09-2024 14:20

Elisabeth Stöckli

Bonjour,Sur une pierre recouverte de mousse (forê

06-09-2024 16:23

Andgelo Mombert Andgelo Mombert

Bonjour,J'ai trouvé cette semaine Caesiodiscus po

15-09-2024 12:51

B Shelbourne B Shelbourne

• Macro and habitat suggest Cyathicula.• Confi

08-10-2019 21:31

Jason Karakehian Jason Karakehian

Hi AscoFrance community, Does anyone have a PDF

08-09-2024 21:31

B Shelbourne B Shelbourne

• Stromatised substrate and macro like genus Rut

14-09-2024 01:12

B Shelbourne B Shelbourne

• Ascobolus species on wild herbivore dung.• S

13-09-2024 07:19

Thierry Blondelle Thierry Blondelle

BonjourDans le genre Trichobolus, quelles sont les

11-09-2024 19:21

Castillo Joseba Castillo Joseba

Deel lunes en bosque de hayas y abetos,  posiblem

04-09-2024 21:02

Stephen Mifsud Stephen Mifsud

I have found an interesting Xylaria growing on fal

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Rutstroemia henningsiana?
Marc Detollenaere, 22-09-2023 18:10
Marc DetollenaereDear Forum,

On black remains, probably stromatized tissue, of Juncus effusus, I found some long-stalked apothecia of 5-6mm long.The ectal excipulum consisted of Text prismatica, asci had an amyloid ring, no croziers were found.Spores were hyaline, fusiform and measured 17-18x4µ and contained several large guttules (OCI 4-5).Paraphyses were cylindrical.No sclerotia were found.
Could this be R henningsiana?
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Nihad Omerovic, 22-09-2023 21:35
Re : Rutstroemia henningsiana?
Macro, spores, paraphyses content don't look like in R. henningsiana; more like Hymenoscyphus.
Hans-Otto Baral, 23-09-2023 08:45
Hans-Otto Baral
Re : Rutstroemia henningsiana?
Yes, and it looks like Hymenoscyphus macroguttatus. That species must have croziers.
Lothar Krieglsteiner, 23-09-2023 09:19
Lothar Krieglsteiner
Re : Rutstroemia henningsiana?
... and by the way: the substrate is not Juncus but a dicotylous plant.
Yours, Lothar
Marc Detollenaere, 23-09-2023 10:44
Marc Detollenaere
Re : Rutstroemia henningsiana?
You are right Hans-Otto,

There are croziers but they are very hard to find
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Hans-Otto Baral, 23-09-2023 10:47
Hans-Otto Baral
Re : Rutstroemia henningsiana?
Yes!
Marc Detollenaere, 23-09-2023 10:47
Marc Detollenaere
Re : Rutstroemia henningsiana?
Lothar,

I found it in a field full of Juncus effusus but indeed, the onset of side branches does not fit with Juncus.It has to be be a dicotyle.