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04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

31-10-2025 09:19

Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

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Chlorociboria ? on Filipendula ulmaria
Marja Pennanen, 06-09-2016 11:37
Hello forum,

once again I did not find a solution, when looking for a determination to my finding.

These bluish ones color the stem of Filipendula blue and are short stipate, up to 0,7 mm wide.
The spores are about 7-9x2-3 and have a couple of small droplets.
The asci are about 55-70x7-8, IKI- and paraphyses are septate, about 2 micrometers wide.
NM1 tells, that Chlorociboria are found on woody substrates and should have amyloid asci, but to my seeing these were not. So, is there some other genus fitting better or different species in Chlorociboria?

Curiously: Marja
  • message #44778
  • message #44778
Lothar Krieglsteiner, 06-09-2016 12:35
Lothar Krieglsteiner
should be Chlorociboria aeruginella

Dear Marja,


this should be C. aeruginella. I found it once in Germany and published about it. It also grew on Filipendula, but it seems to grow on other substrates, too. Surely a rare species.


Best regards from Lothar

Lothar Krieglsteiner, 06-09-2016 12:38
Lothar Krieglsteiner
Re : Chlorociboria ? on Filipendula ulmaria

I just see my spores and asci were a bit larger than your measurements are. Did you examine living material?


Best regards fom Lothar

Hans-Otto Baral, 06-09-2016 15:29
Hans-Otto Baral
Re : Chlorociboria ? on Filipendula ulmaria
I think the spores are o.k. I have *7-15 x 2.5-3.
Marja Pennanen, 06-09-2016 18:24
Re : Chlorociboria ? on Filipendula ulmaria
Hi Lothar, Zotto,

thank you.

I have found C. aeruginella on Salix leaves ealier, but the species is not included in NM1, so I have no description of it.

Lothar, I study only fresh ascomycete specimen in snowless season and interesting ones as soon as possible, the substrate made this interesting ;)

Marja