02-02-2026 21:46
Margot en Geert VullingsOn a barkless poplar branch, we found hairy discs
02-02-2026 14:55
Andgelo Mombert
Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome
02-02-2026 14:33
Andgelo Mombert
Bonjour,Sur le thalle de Peltigera praetextata, ne
31-01-2026 10:22
Michel Hairaud
Bonjour, Cette hypocreale parasite en nombre les
02-02-2026 09:29
Bernard CLESSE
Bonjour à toutes et tous,Pour cette récolte de 2
01-02-2026 19:29
Nicolas Suberbielle
Bonjour, Marie-Rose D'Angelo (Société Mycologiq
31-01-2026 09:17
Marc Detollenaere
Dear Forum,On decorticated wood of Castanea,I foun
29-08-2025 05:16
Francois Guay
I think I may have found the teleomorph of Dendros
30-01-2026 21:20
Arnold BüschlenBryocentria brongniartii und B. metzgeriae mit ihr
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