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26-01-2026 11:49

Margot en Geert Vullings

We found this possible anamorph on a dead Cytisus

25-01-2026 23:23

Tomaz Vucko Tomaz Vucko

Hello! I found this species that resembles Delitsc

18-01-2026 12:24

Josep Torres Josep Torres

Hello.An anamorph located on the surface of a thin

25-01-2026 16:08

Malcolm  Greaves Malcolm Greaves

This Geoglossum had spores mostly 70-80 (87) with

23-01-2026 21:50

Cameron DK

I am looking for this please publication. is anyon

10-01-2026 20:00

Tom Schrier

Hi all,We found picnidia on Protoparmeliopsis mur

21-01-2026 19:55

Bohan Jia

Hi,  Could this be Nemania aureolutea? Or did I

21-01-2026 16:32

Gernot Friebes

Hi,I need your help with some black dots on a lich

21-01-2026 16:48

Gernot Friebes

Hi,after my last unknown hyphomycete on this subst

20-01-2026 17:49

Hardware Tony Hardware Tony

I offer this collection as a possibility only as e

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unknown discomycete on the Petasites petiole
Mlcoch Patrik, 15-01-2020 20:10
Mlcoch PatrikPlease 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.
  • message #60913
Hans-Otto Baral, 15-01-2020 20:49
Hans-Otto Baral
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