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27-02-2020 12:28

Juuso Äikäs

There were plenty of these growing on a dead herba

21-02-2020 20:33

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos. Subo unas fotos de un Ascobolus que

27-02-2020 12:36

Juuso Äikäs

These grew on a pile of moose or deer dung. The ap

27-02-2020 09:49

Castillo Joseba Castillo Joseba

me mandan el material desde Galicia,  recolectado

25-02-2020 14:33

Mirek Gryc

HiSeveral creamy sporocarps quite small. Maximum d

27-02-2020 11:01

Andreas Gminder Andreas Gminder

Dear collegues,since I found many collections of S

23-02-2020 11:15

William Slosse William Slosse

Hello Forum, on 14/02/20 I again collected a coll

25-02-2020 21:42

Josep Torres Josep Torres

Hola.Ejemplares fotografiados el pasado domingo br

25-02-2020 20:07

Thorben Hülsewig

Hi there, i found this asco on heracleum giganteu

26-02-2020 10:46

Castillo Joseba Castillo Joseba

me envian material seco de esta especimen recolect

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Black pyrenos on herbaceous stem
Juuso Äikäs, 27-02-2020 12:28
There were plenty of these growing on a dead herbaceous stem on the side of an open, grassy area. The spores measure about 40-60 x 6.5-8 microns, conidia 4-5 x 1.5. No iodine reactions. What might they be?
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Juuso Äikäs, 27-02-2020 18:44
Re : Black pyrenos on herbaceous stem
I think I managed to stumble on the right species myself: Leptosphaeria acuta seems like a good candidate.
Alain GARDIENNET, 28-02-2020 16:37
Alain GARDIENNET
Re : Black pyrenos on herbaceous stem

A species somewhere in Phaeosphaeriaceae, but not Leptosphaeria acuta, shape of ascomata doesn't fit.


Do ascospore have little hyaline apical appendages ? I seem to see them on your fourth photo.


Alain

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