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08-06-2026 17:00

François Bartholomeeusen

Good day everyone, On June 5 2026, I collected de

08-06-2026 10:16

Spooren Marco Spooren Marco

I don`t have a clou about this fungus,it is not in

07-06-2026 18:18

Mario Schulz

Hello everyone, i found on 31.5 the following Mol

07-06-2026 15:10

William Slosse William Slosse

Hello everyone,On 05-06-26, I found following asco

05-06-2026 11:02

Thomas Læssøe

https://svampe.databasen.org/observations/10596691

07-06-2026 12:09

François Freléchoux François Freléchoux

Bonjour, Voici une brève description de ce qui m

07-06-2026 12:43

Steve Clements

Bojour. This was a strange find on a stick on my

12-07-2015 00:05

Nedim Jukic Nedim Jukic

This one from the same locality as the previous on

06-06-2026 17:44

Steve Clements

Bonjour, This disco was on planed wood 3 x 1.5 cm

14-08-2016 23:15

Alex Akulov Alex Akulov

Dear friendsCan you help me to find the descriptio

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blue mould from Portugal
Lothar Krieglsteiner, 05-04-2026 22:46
Lothar Krieglsteineron wood of Ceratonia, Algarve, 3.4.2026.
The color reminded of Chlorociboria or similar, the macroscopical aspect a bit of Trichoderma. The bluish mould color would lead to Penicillium or Aspergillus - but ... - see yourself.
Who can provide me with a hint?
Best regards, Lothar
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Gernot Friebes, 05-04-2026 23:08
Re : blue mould from Portugal
Hi, Lothar!

Caeruleomyces verae, maybe? Did you observe clamps?

Best wishes,
Gernot
Lothar Krieglsteiner, 06-04-2026 08:07
Lothar Krieglsteiner
Re : blue mould from Portugal
Hi Gernot,
thank you very much - this looks very good.
No, I did not observe clamps but will search for those soon.
I did not have the idea of a basidiomycete (sorry to the forum for posting here) - and I did not find a lot of the hyphae at all between all those conidia.
Seems to be a quite nice find anyway ...
Thanks again and best wishes for you, too,
Lothar
Lothar Krieglsteiner, 11-05-2026 10:27
Lothar Krieglsteiner
Re : blue mould from Portugal
Hi Gernot,
although it was really labourious, I could detect some clamps (or what I think are clamps). Problem: there is a lot of amorphous matter on the hyphae (and conidia) that make it difficult to observe clamps (in H2O, KOH, Kongo-NH3), furthermore the septa are rupturing easily and longer pieces of hyphal structures are scarce to find.
The picture in Stalpers (Ptychogaster) shows septae with and without clamps. Pity, I was not able to see the structures this way.
But I am seemingly not alone with this problem:
https://www.nahuby.sk/obrazok_detail.php?obrazok_id=878044&poradie=1&form_hash=462b4d6230489060cac396c2a0cb8f4a
As the conidia are fitting very well, and as the macroscopical appearance is quite unique, I do not have doubts about the determination. Thank you very much again!
As far as I find, the fungus is only known from Argentina and from Slowakia, and now from Portugal (?).
Best regards, Lothar

Adam Polhorský, 15-05-2026 22:30
Re : blue mould from Portugal
Hi Lothar, 

indeed I had similar issues as you. I saw plenty of hyphae, but no clamps, or just very indistinct ones. Here are few more pics: https://www.inaturalist.org/observations/189782658 .It was strange finding this argentinian fungus in Slovakia. Your find connects the dots a little bit:). There is no sequence, but there is a living culture of the type. So it is theoretically possible to compare dna of all 3 collections and find out where it truly belongs.

Adam
Lothar Krieglsteiner, 16-05-2026 07:15
Lothar Krieglsteiner
Re : blue mould from Portugal
Hi Adam,
thank you very much for your reply and the link to INaturralist, the fotos there contribute well to the ones from your website - surely we have the same fungus.
Sequencing would surely be intersting. If there is no sequence at all by now one is a bit wondering why the fungus can be classified as belonging to the Hymenochaetales (Index of Fungi).
Best regards, Lothar