11-05-2026 12:32
Bernard CLESSE
Pourriez-vous m'aider à identifier cette héloti
13-05-2026 15:26
François Freléchoux
Bonjour,Voici une récolte faite il y a quelques j
12-05-2026 15:41
Nicolas VAN VOOREN
Dear Ascolovers, especially interested in Pezizale
13-05-2026 12:05
Thierry Blondelle
Bonjour à tous,J'aimerais avoir confirmation de c
10-05-2026 23:17
Andreas Gminder
Hello,today we found in a moist steep decidous for
28-04-2026 20:07
Lothar Krieglsteiner
... on twig in the air at standing Ceratonia siliq
27-04-2026 20:52
Lothar Krieglsteiner
Found on hanging tiwg of Olea europaea in dried-ou
11-05-2026 20:22
Lothar Krieglsteiner
on attached twig of standing Ficus caricaquite uns
29-04-2026 10:44
Lothar Krieglsteiner
growing at moist, drying-out soil at the side of a
unknown discomycete on the Petasites petiole
Mlcoch Patrik,
15-01-2020 20:10
Please about determination this interesting collections from summer. Apothecia only several milimetres in diam., without marginal setacceous cells, excipulum consist of subhyaline to yellowish cells of textura angularis-(intricata), 8-10 x 5-7,5 um. Asci IKI- in lugol reagens, 90-100x8,5-9,5 um, base (see fig. 2 - in dead, detail 6), paraphyses 112 x 7 um, guttulate (OCI see fig. 2 - in dead, detail 3 and 5), ascospores 0-1-septate, 17-19,5 x 4,5-5,5(5,7) um, Q=3,5-4, Qav=3,8, Me=18x4,8 um.
On dead petiole of Petasites hybridus, Slovakia, near the Tatra National Park, 800 metres above sea level, soc. Typhula uncialis.
Thanks you for determination.
22-8-19-ph2-2--0001.jpeg
22-8-19-ph2-2-kopie-0001.jpg
Hans-Otto Baral,
15-01-2020 20:49
Re : unknown discomycete on the Petasites petiole
This is Micropeziza umbrinella (= Allophylaria spoederholmii).
Let me say that the majority of cells are dead in your "live" collage anyway. Water alone is not sufficient, avoiding pressure keeps them alive.
Zotto