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24-03-2026 21:07

Ethan Crenson

Hello all, A friend collected this asco in a wood

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William Slosse William Slosse

Hello everyone,On 23/03/26, I found the following

21-03-2026 15:13

Lepista Zacarias

Hello everyone, Does any one know of any literatu

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Miguel Ãngel Ribes Miguel Ángel Ribes

Good eveningI'm unable to identify this Coprotus o

24-03-2026 15:44

Åge Oterhals

I hope someone can confirm the name of this collec

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Paul Cannon

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Garcia Susana

Este otro crecía en el mismo trocito de madera qu

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Stefan Blaser

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Rhytismataceae on Juniperus sabina
Mathias Hass, 26-04-2024 10:07
Mathias HassHello,

Does anyone know what this is?


Found on Juniperus sabina, urban graveyard, Copenhagen, Denmark, march 12


Ascomata: on leaves, on dead attached branch. Closed and immature when found. Incubated for a week or two.
Hymenium: whitish to leather brown.
Asci: 8-spored, up to 108 x 8,5 my, spores arranged in parallel
Spores: 49,5 (41,2-58,9) x 1,8 (1,5-2,1) my, Q=28,5 (n=16), with a 2 my thick gelatinous sheet, and a greyish lump at the apical end, not extending much the overall gelatinous sheet, but diffracting light differently.
Paraphyses: filiform, unbranched, slightly broader at the tip, 2,5 my broad, without curled tips.
Peridium: about 45 my thick, with roundish dark cells.


I'm wondering whether this is Lophodermium juniperinum or something else?


Thank you in advance,


Mathias

  • message #79119
  • message #79119
  • message #79119
  • message #79119
  • message #79119
  • message #79119
  • message #79119
Torrejon Herrero Miguel, 26-04-2024 10:35
Re : Rhytismataceae on Juniperus sabina
Dear Mathias,

Also, try to check Diaporthe juniperovora.
Hans-Otto Baral, 26-04-2024 11:28
Hans-Otto Baral
Re : Rhytismataceae on Juniperus sabina
Should be a Lophodermium.