17-04-2026 19:16
Hi to everybodyI would appreciate any assistance r
14-04-2026 05:32
Ethan CrensonHi all, A few weeks back a friend pointed out som
17-04-2026 15:14
Bruno Coué
Bonjour.Récoltes du 16/04/2026, sur feuilles mort
12-04-2026 15:52
Gernot FriebesHi,I'm looking for help with this anamorph collect
14-04-2026 21:52
Gernot FriebesHi,found on dead leaves of Carex elata. Conidia: 4
16-04-2026 22:09
Buckwheat PeteHello, I'd like to ask about this older specimen:
15-04-2026 19:33
Fátima Durán ManzanequeHi!! I need help, I found this Ascomycete but I d
14-04-2026 20:31
Gernot FriebesHi,can this be Psilachnum lateritioalbum on Phragm
12-04-2026 17:56
Hardware Tony
Found on dead stems in February earlier this year
12-04-2026 12:22
William Slosse
In a dune grassland in Oostduinkerke (Belgium), on
Rutstroemia firma
Nicolas Suberbielle,
28-10-2025 19:33
Bonjour à tous,Je voudrais votre avis sur cette récolte que j'ai attribué à Rutstroemia firma, sur branchette de hêtre (ou bouleau) avec des spores courbées. Il me semble que ce n'est pas un espèce particulièrement rare, mais ce serai la première mention pour la Corse à ma connaissance alors j'aimerai une confirmation.
Merci beaucoup
Hans-Otto Baral,
28-10-2025 20:50
Re : Rutstroemia firma
Do you mean bouleau?
R. firma has been reported from Betula and Alnus, but I doubt that this is typical R. firma, which I know only from Quercus. I suppose the taxonomy is not settled in this group.
Nicolas Suberbielle,
28-10-2025 21:03
Re : Rutstroemia firma
OK, that's interesting !
So i'll go with "aff. firma" for now.
Thank you for your help
So i'll go with "aff. firma" for now.
Thank you for your help
Alain GARDIENNET,
28-10-2025 21:14
Re : Rutstroemia firma
Hello Nicolas,
Ca vaudrait quand même le coup de checker l'anatomie du bois, au vu de ta photo
https://www.wsl.ch/land/products/dendro/species.php?code=QURO
Alain
Ca vaudrait quand même le coup de checker l'anatomie du bois, au vu de ta photo
https://www.wsl.ch/land/products/dendro/species.php?code=QURO
Alain
Nicolas Suberbielle,
30-10-2025 11:23
Hans-Otto Baral,
01-11-2025 10:14
Re : Rutstroemia firma
Yes, this can be Betula. Certainly not Quercus.
Rutstroemia-firma-FNGNS25072713-0001.pdf