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Hi, I found this tiny sulfur yellow asco growing o

22-06-2025 13:52

Dear friends,anyone out there with this paper?:DOU

26-05-2025 18:09
Henk RemijnGood day,In a burned forest near Hulst on the bord

20-06-2025 08:33
Hello.Small, blackish, mucronated surface grains s

19-06-2025 22:19
Björn NordénBig thanks in advance.

11-06-2025 16:26
Hi everyone, I am looking for the following protol

18-06-2025 19:24

Good evening,On Oenanthe aquatica we collected a

18-06-2025 16:24

Bonjour,Un minuscule stade imparfait, qui pousse s
Very small global ascomycete, hyalin, smooth spores. Any ideas?
S. Rebecca,
22-08-2021 15:19
Due to the spores being translucent, I thought maybe Orbilia, but someone said absolutely not Orbilia. Possibly something related to hypogae?
The specimens have a hole in them.
J- (Lugol)
Spore size 18-22µm
Ascus = 8 spores
Each spore has a hull or sack and you can see them split.
I can add microscopic features if you tell me what to look for.
Thanks, -Rebecca
Gernot Friebes,
22-08-2021 15:44
Re : Very small global ascomycete, hyalin, smooth spores. Any ideas?
Dear Rebecca,
as I have posted in a different forum a short while ago, this looks like Stephensia (Hydnocystis) bombycina (compare to https://www.nahuby.sk/obrazok_detail.php?obrazok_id=588562).
Best wishes,
Gernot
as I have posted in a different forum a short while ago, this looks like Stephensia (Hydnocystis) bombycina (compare to https://www.nahuby.sk/obrazok_detail.php?obrazok_id=588562).
Best wishes,
Gernot
S. Rebecca,
22-08-2021 15:51
Re : Very small global ascomycete, hyalin, smooth spores. Any ideas?
Thank you so much Gernot! The soul can rest. :-)
Adam Polhorský,
22-08-2021 16:37
Re : Very small global ascomycete, hyalin, smooth spores. Any ideas?
Hi Gernot, Rebecca
Some time has passed since that find. I now think, I might have not identified it correctly.
Stephensia colomboi might be better name for our collections. S./H. bombycina is a larger, hypogeic species, whereas colomboi is smaller, often only partially buried. Both seem to have an unpleasant odour.
A.
Gernot Friebes,
22-08-2021 17:17
Re : Very small global ascomycete, hyalin, smooth spores. Any ideas?
Thanks for this hint, Adam. I don't have the original description of S. colomboi but I compared with Sarasini et al. (Funghi Ipogei Lariani), where it is mentioned that S. colomboi should have an "insignificant" odour, wheres S. bombycina is said to smell much more intensely (like fried onions or boiled cabbage). Macroscopically this collection shows more similarities with S. colomboi, so I concur with you that this is likely the better name.
Best wishes,
Gernot
Best wishes,
Gernot