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29-12-2025 08:30

Josep Torres Josep Torres

Hello.A tiny ascomycete sprouting under Juniperus

29-12-2025 10:15

Hulda Caroline Holte

Hello, I found and collected this propoloid ascom

29-12-2025 09:38

Oskari Virtanen

Hi,could anyone help me identify this, I suspect P

24-12-2025 18:12

Ethan Crenson

Hello all, A friend found this Orbilia growing on

28-12-2025 12:08

Margot en Geert Vullings

This possible Karstenia was found on the bark of d

21-12-2025 21:32

Pol Debaenst

Hello, Garden, Burgweg 19, Veurne, BelgiumOn 10/1

26-12-2025 21:19

Arnold Büschlen

Pithyella chalaudii Priou. Ist als Bryoparasit in

21-12-2025 09:32

Josep Torres Josep Torres

Hello.A tiny ascomycete found embedded in wood in

18-12-2025 21:17

Pol Debaenst

The identification took me to Byssonectria deformi

21-12-2025 12:34

Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

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Rutstroemia ??
Jean-Louis CONSTANT, 08-11-2022 17:00
Bonjour à tous, 

Sur Alnus (?)
Inoperculé
Amyloïdie du sommet des asques
Asques 180X12µm - sans crochet
Spores 17X7µm - Lisses - elliptiques - 2 guttules
Paraphyses filiformes

Merci pour votre aide

JLC/FC
  • message #74274
Hans-Otto Baral, 08-11-2022 17:17
Hans-Otto Baral
Re : Rutstroemia ??
Yes, surely. The microphotos are much too small, I only recognize the genus. Does the host have a name?
Jean-Louis CONSTANT, 08-11-2022 18:35
Re : Rutstroemia ??
Alnus certainement
Hans-Otto Baral, 08-11-2022 21:25
Hans-Otto Baral
Re : Rutstroemia ??
R. alni I guess. Spores would fit. But Asci should have croziers.
Jean-Louis CONSTANT, 08-11-2022 22:54
Re : Rutstroemia ??
Merci
Bonne soirée