24-03-2024 08:27
Thierry Blondelle
HiOn Hedera helix fallen branchEcological habitat:
26-04-2024 10:07
Mathias Hass
Hello, Does anyone know what this is? Found on J
24-04-2024 21:54
éric ROMERO
Bonjour, J'ai trouvé ce Lasiobolus sur laissées
23-04-2024 15:18
Lothar Krieglsteiner
... but likely a basidiomycete. I hope it is o.k.
23-04-2024 13:17
Edouard Evangelisti
Bonjour à tous, Je viens de récolter ce que je
23-04-2024 21:49
Ethan CrensonHello all, A friend recently found this orange as
22-04-2024 11:52
Zuzana Sochorová (Egertová)
Hello,I made a loan of a collection of Microstoma
11-01-2022 16:36
Jason Karakehian
Hi does anyone have a digital copy of Raitviir A (
22-04-2024 20:38
Miguel Ángel Ribes
Good afternoon.Does anyone know this anamorph?It g
Nectriaceae - Gibberella with 1-Septate Spores
Peter Thompson,
27-10-2014 20:09
I have found a Gibberella species with 1-septate spores, which was growing in dense clusters as well as individual fruit bodies. The substrate is either Clematis or Lonicera; a woody climber.
The microscopy clearly shows the blue and purple cells of the excipulum, by transmitted light.
I wonder if anyone has any species descriptions, a key and / or knowledge of substrate preferences for the 1-septate species of this genus (previously Licea)?
Thank you,
With Best Wishes,
Peter.
Bernard Declercq,
28-10-2014 12:27
Re : Nectriaceae - Gibberella with 1-Septate Spores
Hello Peter,
Gibberella nemorosa (Sacc.) Wollenw. could fit:
Ascomata solitary or in groups of 2-5, superficial , subglobose, up to 0,25 mm diam., becoming cupulate on drying, rugose, blackish, KOH+ black with purple pigment dissolving; spores ellipsoid, 12-16x4,5-7,5 µm, 1-septate, smooth, hyaline; saprophytic on Clematis vitalba and Cytisus nigricans; phen.: VIII-X
Best regards,
Bernard
Gibberella nemorosa (Sacc.) Wollenw. could fit:
Ascomata solitary or in groups of 2-5, superficial , subglobose, up to 0,25 mm diam., becoming cupulate on drying, rugose, blackish, KOH+ black with purple pigment dissolving; spores ellipsoid, 12-16x4,5-7,5 µm, 1-septate, smooth, hyaline; saprophytic on Clematis vitalba and Cytisus nigricans; phen.: VIII-X
Best regards,
Bernard
Peter Thompson,
01-11-2014 11:39
Re : Nectriaceae - Gibberella with 1-Septate Spores
Hello Bernard,
Thank you for your reply and apologies for not responding sooner. I have been distracted by other interesting ascomycetes.
Yes, the spores are of the correct dimensions, septation, hyaline and smooth. The fruit bodies appear to be black until the light from the microscope shows their purple and blue cells. Some fruit bodies show signs of collapse now. They are certainly growing individually and in small groups, sometimes of more than five fruit bodies.
I think that you have provided the correct identification.
With Best Wishes,
Peter.
Thank you for your reply and apologies for not responding sooner. I have been distracted by other interesting ascomycetes.
Yes, the spores are of the correct dimensions, septation, hyaline and smooth. The fruit bodies appear to be black until the light from the microscope shows their purple and blue cells. Some fruit bodies show signs of collapse now. They are certainly growing individually and in small groups, sometimes of more than five fruit bodies.
I think that you have provided the correct identification.
With Best Wishes,
Peter.