20-04-2026 22:00
Malcolm Greaves
These pale yellow, hairy ascos were growing on cul
19-04-2026 21:23
Steve ClementsBonjour, I found this anamorphic fungus on old pl
19-04-2026 20:46
Steve Clements1 mm diameter approx spherical conidiophores on pl
12-04-2026 17:56
Hardware Tony
Found on dead stems in February earlier this year
17-04-2026 19:16
Enrique Rubio
Hi to everybodyI would appreciate any assistance r
14-04-2026 05:32
Ethan CrensonHi all, A few weeks back a friend pointed out som
17-04-2026 15:14
Bruno Coué
Bonjour.Récoltes du 16/04/2026, sur feuilles mort
12-04-2026 15:52
Gernot FriebesHi,I'm looking for help with this anamorph collect
14-04-2026 21:52
Gernot FriebesHi,found on dead leaves of Carex elata. Conidia: 4
16-04-2026 22:09
Buckwheat PeteHello, I'd like to ask about this older specimen:
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