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24-12-2025 18:12

Orbilia
Ethan Crenson

Hello all, A friend found this Orbilia growing on

28-12-2025 12:08

Karstenia? anamoph?
Margot en Geert Vullings

This possible Karstenia was found on the bark of d

21-12-2025 21:32

Anamorf on decaying leaves of Euonymus japonicus 'Microphyllus'
Pol Debaenst

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

26-12-2025 21:19

Pithyella chalaudii Priou.; als Bryoprasit auf einem weiteren Wirt gefunden.
Arnold Büschlen

Pithyella chalaudii Priou. Ist als Bryoparasit in

21-12-2025 09:32

Spherical Pyrenomycete
Josep Torres Josep Torres

Hello.A tiny ascomycete found embedded in wood in

18-12-2025 21:17

Two collections of yellowish discs on bare ground
Pol Debaenst

The identification took me to Byssonectria deformi

21-12-2025 12:34

Nectria ??
Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

24-12-2025 17:08

Propolis sp. on Picea abies
Hulda Caroline Holte

Hello, I have found this propoloid ascomycete on

23-12-2025 11:27

blanc poilu
Louis DENY

bonjour forum,sur débris de bois de feuillu (acer

20-12-2025 10:49

Small resin asco?
Mirek Gryc

Hi. „I doubt it is possible to identify this ti

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Phaeosphaeria eustoma?
Riet van Oosten, 25-04-2018 17:04
Riet van OostenHello,

Found 23-04-2018, on Typha, the Netherlands.
Spore sizes: 24.7-25.2-26.5-26.6-27.2 x 5.1-5.1-5.4-5.4-5.4 µm, Q = 4.9

Is this Phaeosphaeria eustoma?

Greetings, Riet
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Chris Yeates, 26-04-2018 04:10
Chris Yeates
Re : Phaeosphaeria eustoma?
Hello Riet
It certainly fits P. eustoma following the paper on Phaeosphaeria in Canadian Journal of Botany67 (1989) by Shoemaker & Babcock.

P. eustoma only appears in passing in Nova Hedwigia 57 (1993) Khashnobish & Shearer "Reexamination of eight Leptosphaeria species (Ascomycetes: Pleosporales) originally described on Typha" presumably because it was not originally described on that host.


Do you have access to these papers? Let me know if you would like PDFs.


Best wishes


Chris

Riet van Oosten, 26-04-2018 12:51
Riet van Oosten
Re : Phaeosphaeria eustoma?
Hello Chris,

Thank you for your confirmation!
I alraedy have the PDF on Phaeosphaeria in Canadian Journal of Botany 67 (1989) by Shoemaker & Babcock. This paper helped me a lot.
I would be glad to receive the other PDF.

Best wishes,
Riet
hannie wijers, 26-04-2018 15:21
Re : Phaeosphaeria eustoma?
Hallo Chris, could ou sent me the papers too, Please?
Sincerely, 
Hannie