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14-11-2025 16:26

Marian Jagers Marian Jagers

Hello everyone, On dead wood of Cytisus scoparius

17-11-2025 21:46

Philippe PELLICIER

Bonjour,Récolté sur bois pourrissant de feuillu

20-11-2025 14:14

Mick Peerdeman

Found on the leaves of 'Juglans regia' in the Neth

20-11-2025 13:07

Mick Peerdeman

In January i found these black markings on the dea

20-11-2025 12:38

Mick Peerdeman

Dear all,Last week i stumbled upon a leaf of ilex

19-11-2025 23:21

carl van den broeck carl van den broeck

Dear guestIn Waardamme, Belgium, I found dozens of

19-11-2025 20:51

Andreas Millinger Andreas Millinger

Good evening,found this species on a felled trunk

19-11-2025 13:04

Bruno Coué Bruno Coué

Bonjour,je  sollicite votre avis pour la récote

18-11-2025 18:26

David Malloch David Malloch

I am trying to locate the article, Müller, E. 195

16-11-2025 21:09

Robin Isaksson Robin Isaksson

Anyone recognize this acc. to pictures.? Found on

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Hercospora tiliae?
Enrique Rubio, 06-05-2012 13:55
Enrique RubioDear friends:

Thsi fungus forms up to 1.5 mm stromata just beneath the bark of Tilia cordata rotten branches together with pseudothecia of Splanchnonema ampullaceum.
The valsoid 1-8 perithecia are placed inside a white entostroma and their ostioles are very inconspicuous.
I think could be Hercospora tiliae or a close species of this genus.
What do you think?
Many thanks in advance
Enrique
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Paul LEROY, 06-05-2012 18:49
Re : Hercospora tiliae? réponse à Enrique Rubio
Bonjour Enrique,

Oui pas de problème pour Hercospora tiliae,cette espèce est très commune sur Tilia
et très souvent en mélange avec S.ampullaceum.
Amicalement   Paul LEROY
Enrique Rubio, 06-05-2012 19:06
Enrique Rubio
Re : Hercospora tiliae?
Merci, Paul.
J'avais des doutes parce que Dennis (British Asc.) dit et dessine 'spores not noticeably constricted'
Chris Yeates, 06-05-2012 19:26
Chris Yeates
Re : Hercospora tiliae?
Hello Enrique

the illustration in Dennis shows thick-walled empty-celled spores - perhaps this is an issue of "vital taxonomy" and RWGD was working only with herbarium material?

best wishes

Chris
Enrique Rubio, 06-05-2012 19:51
Enrique Rubio
Re : Hercospora tiliae?
It seems Dennis only works with dried material. Thank you Chris. I think it's a good possibility...