24-06-2025 22:29
Danny Newman
Hello AscoFrance, I have recently photographed, c
24-06-2025 14:00
Warre Van CaenegemI'm currently in Croatia doing fieldwork that is n
23-06-2025 04:03
Francois Guay
Hi, I found this tiny sulfur yellow asco growing o
23-06-2025 13:25
Enrique Rubio
I would like to hear your opinion on this Scutelli
22-06-2025 13:52
DirkW
Dear friends,anyone out there with this paper?:DOU
26-05-2025 18:09
Henk RemijnGood day,In a burned forest near Hulst on the bord
20-06-2025 08:33
Josep Torres
Hello.Small, blackish, mucronated surface grains s
19-06-2025 22:19
Björn NordénBig thanks in advance.
11-06-2025 16:26
Jason Karakehian
Hi everyone, I am looking for the following protol
Pseudotecios of up to 250um of diameter, smoothed, on leaf of quercus.
Ascas of 40-50 x 10um.
Spores elipsoidales, gutuladas, of 10 x 4
I do not observe hamatecio
I have thought that it can belong to Botryosphaeriacea, and inside this family belong to the genre Guignardia.
Might it be??
Thank you in advance?
Susana
I am not familiar with this fungus but you might want to check Anisostomula quercus-ilicis (Trav.) v Hohn. or Guignardia punctoidea (Cooke) Schroter. The former is in "Amerosporen Pyrenomyceten" (v. Arx & Muller 1954), the latter in Ellis & Ellis Microfungi on Land Plants.
At least it's a start.
Best of luck.
Adrian Carter
I have no literature you mention and have not found anything on internet practically. For G. puntoidea indicate somewhat larger spores (10-16 x 4-6).
In A. quecus-ilicis nothing found.
Thank you very much, greetings
Susana?
In Ellis & Ellis Microfungi of Land Plants they cite spore size of 8-13x3-5u for Guignardia punctoidea. A synonym for Anisostomula quercus-ilicis is Guignardia quercus-ilicis.
Perhaps some kind folks on the forum could provide further references via the email.
I am afraid I can't help any further.
Adrian
this is the best I can do with little time (from Ellis & Ellis):
amitiés
Chris
Thank you very much to you both.
I see that the document that you send the spore size fits.
However, without more information I can not say that is G. puntoidea.
I will file as possible Guignardia sp.
greetings
Susana?