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17-07-2024 22:37

Peter Welt Peter Welt

Who can help? Arx, J.A. von. 1973. Ostiolate and

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Bonsoir, Un discomycète sur Liochlaena lanceolat

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Andgelo Mombert Andgelo Mombert

Hello,A colleague found an unknown fungus on the s

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Hans-Otto Baral Hans-Otto Baral

I have a question about the scaling of illustratio

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Peter Welt Peter Welt

Who can help? Malloch, D.; Hubart, J.-M. 1987. An

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Angel Pintos Angel Pintos

Hello, anybody body has:Pande A. and Rao, V.G. (1

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Hi does anyone have a digital copy of Raitviir A (

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Viktorie Halasu Viktorie Halasu

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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,


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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.