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17-09-2025 19:43

Philippe PELLICIER

Sur branche morte de Mélèze. Les ascospores sphÃ

17-09-2025 16:14

Philippe PELLICIER

Apothécies enterrées, fermées au début puis s'

17-09-2025 10:50

Heather Merrylees

Hi there!I am hoping for any advice on the identif

11-09-2025 16:57

Jason Karakehian Jason Karakehian

Our revision of Marthamycetales (Leotiomycetes) is

16-09-2025 12:53

Philippe PELLICIER

Pézizes de 1-4 mm, brun grisâtres, sur les capsu

03-09-2025 12:44

Enrique Rubio Enrique Rubio

Hi to somebody.I would like to know your opinion o

15-09-2025 14:40

Nicolas VAN VOOREN Nicolas VAN VOOREN

Hello.I'm searching for a digital copy of the seco

14-09-2025 22:16

Philippe PELLICIER

Apothécies petites jusquà 3 mm, oranges, avec de

13-09-2025 14:01

Thomas Flammer

dark brown apothecia, splitIKI-Spores biguttulate

10-09-2025 17:18

Blasco Rafael Blasco Rafael

Hola, encontre este estiercol de vaca estos apotec

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Rhytismatales on Picea
Gernot Friebes, 15-08-2018 10:24
Hi,

found on the bark of an old Picea tree at approx. 1600 m alt., ascospores measure about 65–78 x 3.8–4.5 µm, they are apparently non-septate and without sheath, asci are IKI–. Thanks for your help!

Best wishes,
Gernot
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Hans-Otto Baral, 15-08-2018 10:30
Hans-Otto Baral
Re : Rhytismatales on Picea
Hallo Gernot
ich hätte da jetzt an Grovesiella abieticola gedacht, aber die Sporen sind dort früh septiert. Ansonsten besteht schon eine gewisse Ähnlichkeit.
Zotto
Gernot Friebes, 15-08-2018 11:02
Re : Rhytismatales on Picea
Hallo, Zotto,

danke für den Hinweis – ich bin nun auf deinen Ordner "Picea bark non-septate" gestoßen, das schaut doch sehr ähnlich aus, auch wenn die Sporen dort kürzer sind. 

U. a. aufgrund der Form der toten Ascus-Apizes hätte ich meinen Fund eher bei den Rhytismatales eingeordnet als in die Umgebung von Grovesiella, kann mich da aber natürlich täuschen.

Schöne Grüße
Gernot
Quijada Luis, 15-08-2018 15:48
Re : Rhytismatales on Picea
Hi Gernot,

I am interested in your sample, so if you do not mind send me an email with the data of the collection and the photographs to discuss about it. 

Best wishes,

Luis
Gernot Friebes, 15-08-2018 15:50
Re : Rhytismatales on Picea
Will do!

Best wishes,
Gernot
Hans-Otto Baral, 15-08-2018 16:02
Hans-Otto Baral
Re : Rhytismatales on Picea
Indeed, very similar to Elisabeth's sample on Picea bark but spore length not overlapping. Anyway it could be the same species.
Gernot Friebes, 28-08-2018 10:59
Re : Rhytismatales on Picea
I remembered that I found a similar fungus earlier this year, also on bark of Picea abies. The ascospore measurements are very close to Elisabeth's (42.3-54.6 x 3-3.5 µm), and I found one spore that was 1-septate.

Unfortunately this material is likely too sparse for further studies as it only consists of the apothecia shown on the photos.

Best wishes,
Gernot
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Hans-Otto Baral, 28-08-2018 11:14
Hans-Otto Baral
Re : Rhytismatales on Picea
Seems actually to be a species different from abieticola as there is only 1 septum.