06-11-2022 20:13
Josep Torres
Hola.Unos diminutos peritecios globosos de color n
04-11-2022 22:05
Jacques MalasséSPHAEROSPORELLA HINNULEA (ou brunnea), la différe
06-11-2022 15:32
Bernard Declercq
Dear all,I am looking for following paper:Phookams
06-11-2022 17:22
Jérôme MAFFERTBonjour, j'ai trouvé cette description datant de
06-11-2022 13:25
Juuso ÄikäsClusters of these brown ascomata were growing on a
03-11-2022 13:11
Castillo Joseba
Del pasado sabado en bosque de Avellanos (Corylu
02-11-2022 15:30
Yannick Mourgues
Hi. Found black deposits on lower surface of livi
03-11-2022 01:58
Steffen LorenzHello, looking for Cosmospora ustulinae on Ustuli
Any help with this one would be most welcome:
Substrate: Fagus sylvatica deadwood trunk
Macro: Perithecia 0.4-0.6 mm in diameter, black but covered with rust-colored granules. Perithecia singly at the very margin, but soon very densely packed and coalescing thus looking like a Hypoxylon species. Fruitbody yields a reddish brown KOH extract.
Micro: Asci cylindric, inamyloid, 85-103 x 5-6 µm. Spores aseptate, narrowly elliptic, equilateral, brown, smooth, with germ pore on either side, no germ slit observed, 13-16 x 4-5 µm. Perithecial wall composed of very dark colored round to angular, thick-walled cells.
Many thanks and best wishes,
Stefan
Peut-être Biporispora europaea ?
Andgelo
Bravo!
Yes, Biporispora europaea, I am just surprised it never showed up on the forum.
It spreads over old stromata of H. macrocarpum and indeed mimics a Hypoxylon, but is not a Xylariaceae. Unpublished molecular results place it far from this family and make it fairly mysterious.
Cheers,
Jacques