05-06-2014 20:54
Andrew N. Miller
Dear All, This paper with a key to species of He
20-06-2014 16:39
Nina FilippovaThere are many Mollisia's in my collection from th
20-06-2014 13:49
Nina FilippovaHello. This species was overmature, lacking any sp
19-06-2014 20:58
Enrique Rubio
Bonsoir a tous mais mais en particuliere á Jacque
20-06-2014 09:46
Nina FilippovaI have showed earlier this species, which is abund
15-06-2014 11:52
Rubén Martínez-Gil
Hola a todos. Ayer encontramos estos ascos sobre
10-06-2014 11:51
Marja PennanenHello,these grey ascos grow on Pteridium aquilinum
18-06-2014 09:15
Marja PennanenHello,I found these small hairy, very light colour
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