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23-04-2026 06:46

François Freléchoux François Freléchoux

Bonjour, Voici la description d'un minuscule asco

21-04-2026 22:14

Margot en Geert Vullings

This cup fungus was found on April 10, 2026, on lo

22-04-2026 20:17

Marian Jagers Marian Jagers

Is anyone familiar with the Hyphomycetes genus Pse

22-04-2026 20:54

Enrique Rubio Enrique Rubio

Hi to everybody.This Pyrenopeziza grew in moist le

22-04-2026 19:12

Louis DENY

Bonjour forum.Trouvé à Belfort, est de la France

21-04-2026 21:00

Sylvie Le Goff

Bonjour à tousJe sollicite votre aide pour cet as

22-04-2026 01:06

Richard VALERI Richard VALERI

Bonjour à tous.Je vous présente cette Nectria s.

21-04-2026 13:36

Gernot Friebes

Hi,I am out of ideas for this one. I collected Sal

21-04-2026 13:19

Gernot Friebes

Hi,this Lophodermium on Typha has ascospores measu

21-04-2026 13:05

Gernot Friebes

Hi,this hyphomycete feels familiar but I was not a

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Stictis on Populus branch
Juuso Äikäs, 26-03-2021 20:19
These I found today, growing on a thin, fallen branch of Populus tremula

I measured just a couple spores and asci and they measured 260 - 280 x 2.5 and 190 x 10 microns. The spores were arranged in the asci partially in a spiral fashion and partially in a parallel fashion. The lower part of the hymenium turned orange in IKI. 

I think this is Stictis or something like that, but I've no experience in this group. Could Stictis mollis be possible?
  • message #68117
  • message #68117
  • message #68117
  • message #68117
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  • message #68117
Juuso Äikäs, 27-03-2021 15:11
Re : Stictis on Populus branch
I found this paper Stictis s. lat. (Ostropales, Ascomycota) in northern Scandinavia, with a key and notes on morphological variation in relation to lifestyle, which might be helpful, but I don't have access to it. 
If someone has it, I'd be glad to receive it.
Chris Yeates, 27-03-2021 16:08
Chris Yeates
Re : Stictis on Populus branch
Hi Juuso

Here it is

Ystävällisin terveisin

Chris
Juuso Äikäs, 27-03-2021 16:23
Re : Stictis on Populus branch
Thank you! :)