09-02-2025 22:51
Yanick BOULANGERBonsoirEst-ce que quelqu'un peut me dire s'il s'ag
01-02-2025 20:32
Andreas Gminder
Hello,today my girlfriend Sylvie found a single ap
06-02-2025 18:11
Zuzana Sochorová (Egertová)
Hello, while digging in my fungarium, I found an
07-02-2025 22:28
Yanick BOULANGERBonsoirPetit pyrénomycètes d'environ 1 mm sur bo
07-02-2025 20:25
Enrique Rubio
Dear all.Ascomata pheritecioid, KOH-negative, flas
07-02-2025 17:48
Vasileios Kaounas
asci 170-200 x 20-22 ?m spores 21.9 [22.9 ; 23.4]
06-02-2025 06:25
Bharati MandapatiHi All, I would love some help with this Lasiobel
05-02-2025 04:38
Ethan CrensonHi all, Found by a friend last Saturday in Staten
Hi forum
These scattered, more or less inmersed, black, ostiolate, glabrous, lageniform perithecia, 0.3-0.5 mm long, with elongated cylindrical necks 100-200 microns long, were growing on indeterminate semirotten wood together with pseudothecia of Capronia cf. pilosella.
The asci are shortly stipitate, with a conspicuous refractive, IKI negative, apical apparatus, 170-194 x 10-12 microns, with 8 obliquely 1-seriate, hyaline, 4-celled ascospores. Paraphyses often collapsing.
I think this fungus should be near the genus Ceratosphaeria but any species seems to fit well with my collection.
Have yo some idea for me?
Thanks again
Your collection seems to be referrable to Ceratosphaeria, characterised by the elongated beak, spores having several cross walls, often more than three..By definition the genus Zignoella has at most a papillate ostiole, and spore cross walls at most three.
Suggested taxa for your collection are Ceratosphaeria crinigena or possibly C. rhenana
Kind regards,
Peter
since the great work done by Martina Réblova it became unfortunately challenging to assign one of these beaked fungi to a genus without the asexual morph and molecular data.
There is a good overview of these fungi with a key to genera in Réblova 2013, Mycologia 105: 462-475. Your fungus might have affinities with Ceratolenta caudata but has significantly larger ascospores.
Enrique, you should make an effort to find fungi that exist!
Saludos,
Jacques
Zotto
You are right, Zotto! Your memory is surprising...http://www.ascofrance.fr/search_forum/38103 But for this collection on Rubus, also out and far of the water, i could not to observe the inmersed ascomata. But I think Annulusmagnus has greater ascospores and a more conspicuous, very congophilous, apical apparatus.
Who knows!