29-12-2025 08:30
Hello.A tiny ascomycete sprouting under Juniperus
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28-12-2025 12:08
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Pol DebaenstHello, Garden, Burgweg 19, Veurne, BelgiumOn 10/1
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Arnold BüschlenPithyella chalaudii Priou. Ist als Bryoparasit in
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Hello.A tiny ascomycete found embedded in wood in
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Pol DebaenstThe identification took me to Byssonectria deformi

Hola a todos.
Subo unas fotos de una Rutstroemia que encontramos sobre hojas de Euphorbia en la zona de El Valle del Lago.
Esporas de 10,7-12,9 x 4,6-5 micras.
Ascas pleurorrincas.
¿Qué les parece?
Gracias por sus respuestas.
Saludos
Rubén
hmm, where exactly did you collect this? On the road to Farrapona? There I made a similar collection 4 years ago, but the spores were much larger: *18-19.5 x 7-8 µm.
The asci are amyloid?
You can find my sample under Rutstroemia aff. calopus, HB 9784 in the folder calopus cf., cf. Euphorbia.
Locality: in Valle de Saliencia, the way up to the Collada de La Farrapona, 2km further up the braña Las Campas, on unidentified plant remains in the environment groups Euphorbia sp. seen in the photo.
Zotto
Hola Gilbert.
Magnífico dibujo.
Saludos
Rubén
Characteristics are:
- crystals at the margin (I see small ones on Ruben's photo)
- spores turning brown with age (this depends on the maturation)
- medulla strongly amyloid (remains to be checked).
Zotto
Merci pour ta réponse mais, je n'ai pas étudié la chair hélas... Je ne peux donc te répondre surles cristaux et sur l'amyloïdie de la medulla. En revanche, pas observé de brunissement au niveau des spores. Peut-être Ruben...
Amitiés
Gilbert
maybe this medulla amyloidity is variable, who knows....
Zotto








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