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Lasiobelonium sp.?
Pavol Palo, 30-12-2013 23:32
Hi everybody,

I found this one on decidious wood ( Fraxinus or Padus ).The apothecia are mostly 0,5-1 mm wide and high (max. 2 mm). Hairs cylindrical septate with incrustation 60-80 x 3 µm. Paraphyses cylindrical diam. 0,5-1 µm. The asci are 8 spores 45-55 x 4-5 µm , not iodid reaction or weak on porus. Ascospores 6-10 x 1,5-2 µm often with two small oil drop at poles. Textura prismatica/angularis


Thanks and Happy New Year


Palo



  • message #26477
  • message #26477
  • message #26477
Peter Thompson, 31-12-2013 00:01
Re : Lasiobelonium sp.?
Hello Palo,

This looks like Proliferodiscus pulveraceus to me. Yellow hymenium and coarsely encrusted hairs.

The spores are a little narrower than normal, but otherwise it agrees with the literature:

Microfungi on Land Plants (M. B. Ellis & J. P. Ellis) Page 7, Figure 17
Ascomycetes in Colour (P. I. Thompson) P124, Species 248

With Best Wishes,
Peter.
Hans-Otto Baral, 31-12-2013 00:03
Hans-Otto Baral
Re : Lasiobelonium sp.?
Proliferodiscus pulveraceus.
When you put KOH to the hairs and excipulum, it turns dirty  violet.
Zotto
Pavol Palo, 31-12-2013 00:28
Re : Lasiobelonium sp.?

Thank you very much, the hairs and excipulum in 10% KOH turns dirty violet :-)


With Best Wishes,
Palo

Pavol Palo, 31-12-2013 00:29
Re : Lasiobelonium sp.?
Thank you very much

With Best Wishes,
Palo