Black pyreno on Populus - Forum ASCOFrance

21-05-2026 17:01

Recherche de document

Pierre Repellin

Bonjour à toutes et à tous,Je recherche l'articl

20-05-2026 21:49

Lachnum on Juncus -> Lachnum pudicellum

Margot en Geert Vullings

We found this Lachnum on Juncus stems mown last ye

20-05-2026 20:08

pyreno on Fraxinus

Andreas Millinger

Good evening,another quite distinctive find from M

20-05-2026 12:57

unknown semi-aquatic objects

Ingo Ibelshäuser

Hello everybody, on decayed hardwood e.g. Quercus

20-05-2026 17:47

Mollisia on Juncus

Margot en Geert Vullings

We found this Mollisia on dead Juncus stems mown l

20-05-2026 18:15

cf Godronia sp.

Moreno Miriam

Hello! I am working on my master's thesis on the d

22-04-2026 20:54

Pyrenopeziza on monocot.

Enrique Rubio

Hi to everybody.This Pyrenopeziza grew in moist le

17-05-2026 22:09

Mollisia sp

éric ROMERO

Bonjour tous, Je sollicite vos avis pour ce Molli

19-05-2026 19:47

Xylariaceae?

Andreas Millinger

Hello dear community,found this species the second

19-05-2026 12:55

Mollisia sps? with minute spores 2.7 -3.5µm.

Hardware Tony

After checking Gminder and Otto's library I cannot

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Black pyreno on Populus

Juuso Äikäs, 29-04-2021 18:22

These were growing on a dead, standing Populus tremula today. Maybe not be entirely ripe, but I measured a few spores:

(14.1) 15 - 16.9 (17.3) × (4.3) 4.6 - 5 (5.2) µm
Q = (2.9) 3 - 3.5 (3.8) ; N = 7
Me = 15.7 × 4.8 µm ; Qe = 3.3

Any idea what this is?

Chris Yeates, 30-04-2021 00:12

Re : Black pyreno on Populus

Looks like classic Melanomma pulvis-pyrius. See: https://www.researchgate.net/figure/Melanomma-pulvis-pyrius-A-B-Ascomata-on-substrate-C-Ascoma-in-longitudinal-section_fig3_318410099

Best wishes

Chris

Juuso Äikäs, 30-04-2021 00:30

Re : Black pyreno on Populus

Yes -- that seems to fit well. Apparently quite a common species. Thanks!

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