23-05-2026 18:57
Sylvie Le GoffBonjour à tousRécolté sur une branchette de Sal
23-05-2026 11:44
Charles Grapinet
Hello, I am having trouble identifying this copro
22-05-2026 14:44
Lothar Krieglsteiner
in unripe condition citrine yellow, then soon fadi
22-05-2026 21:35
Steve ClementsBonjour, I expected this find on old wood on our
22-05-2026 18:12
Lothar Krieglsteiner
... in moist chamber from Portugal.As the fungus s
22-05-2026 20:08
Ethan CrensonHello all, Yesterday in NYC I was visiting an e
11-01-2022 16:36
Jason Karakehian
Hi does anyone have a digital copy of Raitviir A (
20-05-2026 17:47
Margot en Geert VullingsWe found this Mollisia on dead Juncus stems mown l
22-05-2026 14:47
Gernot FriebesHi,superficial ascomata collected on bark of a liv
what do you thing about Daldinia cf. fissa ?
Regards
Pavol
p.s.
On death standing tree (Alnus glutinosa)
Fruitbody: max. 50 x 40 x 40 mm
The white line on cut max. diam 1 mm
The perithecia 800-1000 x 300-400 µm
The asci are 8 spores 150-250 x 9 µm
The apical ring 3-4 x 0,5-1 µm ( in Melzer = blue )
The ascospores (12)14-15(16) x 6-7 µm
In 10% KOH pigment is purple / violaceous
A polyphasic taxonomy of Daldinia (Xylariaceae)
http://www.studiesinmycology.org/content/77/1/1.full
this is most likely D. petriniae, at least a member of the complex of closely related species. I was not aware it occured as early as mid June at ascigerous state.
D. vernicosa has a gelatinous interior that turns hollow and differently shaped and darker ascospores.
Cheers,
Jacques
Thank you very much
Pavol