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29-12-2025 10:15

Hulda Caroline Holte

Hello, I found and collected this propoloid ascom

29-12-2025 08:30

Josep Torres Josep Torres

Hello.A tiny ascomycete sprouting under Juniperus

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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Cosmospora on Juglans regia
Rodríguez Borja, 27-01-2013 19:26
Rodríguez BorjaHello
Today´s morning  I have found this Cosmospora (I think that It´s in this genus) on Juglans regia in a riparian forest.

Ascomata 250-400 x 150-250 µm, pyriform, red (purple in KOH) and with 40 µm papilla.

With brown hifal hairs.

Asexual state with hialine and smooth conidia, 5-6 x 1.5 µm.

Sexual stage with smooth spores, hialine or with purplish pgment, one septa and two nuclei. Me = 14.6 x 6.4 ; Qe = 2.3 µm.
Asci without croziers. 90-110 x 6-8 µm.

I have not bibliography or any key... I know that is very difficult but if anyone can help me...

Thank you very much!
Best regards

Borja Rodríguez

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Alain GARDIENNET, 27-01-2013 19:41
Alain GARDIENNET
Re : Cosmospora on Juglans regia
Why not Neonectria (s.l.) ?
Alain
Rodríguez Borja, 27-01-2013 20:15
Rodríguez Borja
Re : Cosmospora on Juglans regia
Yes I think you are right.
Any idea?

Thanks!