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02-06-2015 20:38

Castillo Joseba Castillo Joseba

En madera de melocotonero (Prunus persica)No veo m

02-06-2015 05:57

Maren Kamke Maren Kamke

Hi everybody,apothecia beneath the surface and bre

02-06-2015 10:02

Blasco Rafael Blasco Rafael

Hola , tengo esta muestra recogida sobre tallos de

02-06-2015 11:24

Castillo Joseba Castillo Joseba

El pasado mes de marzo me enviaron Muestras of thi

01-06-2015 22:02

Castillo Joseba Castillo Joseba

De Galicia ... en madera de melocotonero (Prunus p

06-05-2015 18:02

Bernard CLESSE Bernard CLESSE

Bonjour à tous,Voici ce que je pense être un Lac

01-06-2015 20:33

Enrique Rubio Enrique Rubio

Hi to everybody and specially to J. Fournier, a ve

31-05-2015 18:02

Bernard CLESSE Bernard CLESSE

Bonjour à tous,J'ai photographié il y a un mois

31-05-2015 19:08

Bernard CLESSE Bernard CLESSE

Je pense bien le reconnaître maintenant et j'essa

01-06-2015 13:22

Bometon Javier Bometon Javier

En hojas de QuercusEsporas 8-12 X 2 umAscas 42-55

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Acaroconium punctiforme?
Niek Schrier, 23-11-2022 21:14
hi everyone,

I found a lichenicolous fungi growing on Sarcogyne regularis. I think it is Acaroconium punctiforme (Kocourkova, J. & Hawksworth, D. L.;2008).


The Conidiomata pycnidia are arising on the apothecial discs and are 60-75 um in diameter, I did my best to make this visible on some photo's. The conidia are non-septate, somewhat irregular broadly ellipsoid, slightly pale brown with 1 or 2 guttules, measuring 5.5 - 6.8 x 3.2 - 4.0 um (n=8).


Can anyone confirm this is Acaroconium punctiforme?


Kind regards,
Niek Schrier

  • message #74463
  • message #74463
  • message #74463
  • message #74463
  • message #74463
  • message #74463
Berger Franz, 23-11-2022 23:40
Re : Acaroconium punctiforme?
May be, but needs a thin cross section for firm identificatio! For judging the coniogenesis.  Could also be Microsphaeropsis
Try to get a Foto with CC (conidiogenous cells ) and conidiogenous unit (Conidium still attached on CC)  sometimes possible also in squash preparation. (Success rises also with squashing a hand cut section, Not only squashing a whole conidium). You need to do that also in Lichenconium or some Lichenodiplis!

This gheterogenetic group of phaeosporous coelomycetes can be quite  challenging!
;--) 
All the best
Franz