08-04-2026 10:39
FRANCIS FOUCHIERBonjour , je recherche en pdf cet article: KORF R
06-04-2026 21:36
Viktorie Halasu
Hello, could anyone please send me the article wi
06-04-2026 19:40
Help with this one much appreciated, on rotting Fa
06-04-2026 11:07
Louis DENYBonjour forum, Trouvé sur bois de feuillu très d
06-04-2026 16:24
Juuso ÄikäsLast Tuesday I found some tiny white Helotiales gr
05-04-2026 20:40
Robin Isaksson
Hi!Found i Japan on bark of Abies sp. Spores 35-4
Unknown asco found in a root hole
Francois Guay,
03-10-2025 22:03

Hi everyone, I found this weird asco growing on wood in a root hole, and I have no clue what it is.
Spores: 20–31.7 × 4.7–6.4 µm
Asci: IKI+ with croziers
Here’s the iNat post with photos and microscopy: https://www.inaturalist.ca/observations/318343963
Any idea what it could be?
Thank you!
Any idea what it could be?
Thank you!
Hans-Otto Baral,
04-10-2025 08:45
Re : Unknown asco found in a root hole
Clearly overmature, the spores are probably non-septate when mature but get 3-septate when producing conidia. The apical ring is not very typical but I suggest searching in Rutstroemiaceae although the apos are very small and unusual and the ectal excipulm very short-celled.
Francois Guay,
05-10-2025 21:23
Re : Unknown asco found in a root hole
Thanks, Zotto. I appreciate the suggestion; it's the first time I've observed ascospores producing conidia in this manner. I will certainly search in Rutstroemiaceae further.