09-08-2020 07:55
Lothar Krieglsteiner
... maybe Molinia, in an acid bog (near Narthecium
15-02-2018 08:09
BERNARD CLESSE
Sur tige morte de renouée du Japon.Aucune idéeâ€
09-07-2020 00:39
Valencia Lopez Francisco JavierHola a todosEncontré este curioso ascomycete a me
08-08-2020 20:54
Antonio CouceiroAscoma de 5cm, creciendo entre raices de Prunus la
09-08-2020 22:18
Lothar Krieglsteiner
... the spores of this find (today, in the Eifel,
09-08-2020 15:33
Eduard OsieckCan somebody provide a copy of GÖRKE, C. & H
09-08-2020 14:20
Castillo Joseba
De esta mañana en el himenio de una Daedaleopsis
09-08-2020 07:33
Lothar Krieglsteiner
... exactly Filipendula ulmaria, in the Eifel (Ger
09-08-2020 15:22
Eduard OsieckThis long papillate, bitunicate asco with muriform
Hi,May be somebody more experienced can help me. Is it possible that these pictures show Kretzschmaria deusta in a not yet mature (black) state? I know only bright whitish-gray anamorph form and completely black stoma. I've never seen something in between. Some pictures of stromatal surface like in
http://mycology.sinica.edu.tw/Xylariaceae/frames.asp?qrySectionName=Kretzschmaria&qryIDString=k004&qryPart=t
may give some hope? Unfortunately I have no pictures of section of stroma or microscopy.
Found on large Fagus sylvatica trunk (cut surface, not on bark)
Thanks for your response.
Amadej
I pressume these are stromata of Annulohypoxylon cohaerens
in my opinion isn't Kretschmaria, but a Hypoxylon (serpens ?).
Greetings Peter.
I would say it is neither Kretzschmaria (definitely) nor Nemania serpens (also definitely). It could well be Annulohypoxylon cohaerens as Enrique says but I would not exclude Hypoxylon spec., e.g. H. fragiforme. In this (quite unripe) stage it is quite difficult to say much without using KOH - the colour of the soluble pigments would help!
Regards from LotharÂ
Best!
cheers
Hello together,
yes, the papillate ostioli are a clear sign.
But - A. cohaerens and H. fragiforme often grow together and - especially on the front face of lying logs - H. fragiforme and A. cohaerens can look very similar in first appearance at first glance. They commonly grow together there and if they are still unripe and young (without ostioli)Â it is often quite impossible to say without KOH which one is developing. They also grow together on the bark where A. cohaerens is very common, too, like H. fragiforme on bare wood.
Best regards, Lothar
Warmest regards
Amadej
It is A. cohaerens - the perithecia are papillate (I overlooked this first).
But H. fragiforme (and possibly other Hypoxylon species) can look very similar by first glance.
Best regards from Lothar