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21-04-2026 22:14

Margot en Geert Vullings

This cup fungus was found on April 10, 2026, on lo

21-04-2026 21:00

Sylvie Le Goff

Bonjour à tousJe sollicite votre aide pour cet as

21-04-2026 13:36

Gernot Friebes

Hi,I am out of ideas for this one. I collected Sal

21-04-2026 13:19

Gernot Friebes

Hi,this Lophodermium on Typha has ascospores measu

21-04-2026 13:05

Gernot Friebes

Hi,this hyphomycete feels familiar but I was not a

20-04-2026 22:00

Malcolm  Greaves Malcolm Greaves

These pale yellow, hairy ascos were growing on cul

19-04-2026 21:23

Steve Clements

Bonjour, I found this anamorphic fungus on old pl

19-04-2026 20:46

Steve Clements

1 mm diameter approx spherical conidiophores on pl

12-04-2026 17:56

Hardware Tony Hardware Tony

Found on dead stems in February earlier this year

17-04-2026 19:16

Enrique Rubio Enrique Rubio

Hi to everybodyI would appreciate any assistance r

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Eupropolella britannica?
William de Jong, 05-01-2024 22:35
Hi everyone,

A while ago I found this ascomycete on fallen leaves of Hedera helix, I then thought it was Guignardia/Phyllosticta philoprina. But reviewing this, I'm starting to think that Eupropolella britannica is probably a better fit.
What do you think?

Spore size: (14,7-)16,1-19,5 x (5,0-)5,1-6,4(-6,5) um.

Kind regards,
William de Jong
(The Netherlands)
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Hans-Otto Baral, 06-01-2024 11:56
Hans-Otto Baral
Re : Eupropolella britannica?
Yes, I agree, The probem is only the host. E. britannica is described from Prunus laurocerasus. I never saw a collection on that host but repeately some on Hedera. My suspicion is that there are two species, so I called this one E. hederae.

Regrettably there is no sequence of either substrate. 6 years ago a Dutch specimen on Hedera came to Estonia, I assume for sequencing, but I did not hear of it.

I would be pleased if I could have the collection data of your sample. An article on this is in preparation.
William de Jong, 06-01-2024 17:13
Re : Eupropolella britannica?
Hi Zotto,

Thank you very much for your reply and the confirmation of E. britannica/hederae!

Collection data are:
Date: 04-01-2023
Location: Renkum (Gelderland), The Netherlands
GPS: 51.9868, 5.7476

See also: https://waarneming.nl/observation/261647722/
If you need more information, please let me know.
Hans-Otto Baral, 06-01-2024 17:52
Hans-Otto Baral
Re : Eupropolella britannica?
Thanls! If you have a herbarium number I would make a note.

I must correct I have some collections of E. britannica in my britannica folder. With such two very different hosts it would be surprizing when both are the same species.
William de Jong, 06-01-2024 17:55
Re : Eupropolella britannica?
Unfortunately, I could not find the sample in my herbarium anymore. I can try to collect new material.
Hans-Otto Baral, 06-01-2024 18:17
Hans-Otto Baral
Re : Eupropolella britannica?
That woud be a good idea