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07-01-2026 10:24

Danny Newman Danny Newman

Pezicula sp. on indet. hardwood Appalachian Highl

09-01-2026 17:41

Arnold Büschlen

Hallo, F. dilatata wird von vielen Bryoparasiten

09-01-2026 10:08

Blasco Rafael Blasco Rafael

Hola, en el mismo habitat que la anteriorRetamaDia

08-01-2026 21:22

Blasco Rafael Blasco Rafael

Hola, He recogido esta muestra de Orbilia sobre Re

07-01-2026 22:22

Danny Newman Danny Newman

Tatraea sp. on indet. hardwood The Swag, Great Sm

07-01-2026 17:29

Marc Detollenaere Marc Detollenaere

Dear Forum,On a barkless Populus I found some smal

10-11-2021 17:33

Riet van Oosten Riet van Oosten

Add-on topic http://www.ascofrance.com/forum/7059

07-01-2026 10:05

Danny Newman Danny Newman

cf. Chaetospermum on XylariaCosby Campground, Grea

06-01-2026 20:54

Thierry Blondelle Thierry Blondelle

Bonjour à tous et meilleurs voeux pour cette nouv

02-01-2026 17:43

MARICEL PATINO

Hi there, although I couldn't see the fruitbody, I

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Orbilia sp 11-05-19
Blasco Rafael, 19-05-2019 18:41
Blasco RafaelHola, que les parece esta Orbilia no se con cual comparar.

Sobre madera sp, de Ribera,  Salix, fraxinus, betula, corylus 
Diametro hasta 1 mm
Ascas entre 55--70 x 4,5--6
Esporas 6--8,5 x 1,4--2  (9,5x2,3)
conidio estrellado 

Despues de varias preparaciones no consigo ver laas esporas en condiciones idoneas, si es necesario continuare intentandolo

Un saludo Rafael
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Hans-Otto Baral, 19-05-2019 20:24
Hans-Otto Baral
Re : Orbilia sp 11-05-19
I cannot say, the resolution ist not enough. Somewhat it resembles O. aprilis but I feel the asci are thin-walled above and will turn truncate when dead. Also the paraphyses seem to be capitate.

Did you observe the shaoe of the spore bodies?

The conidium would fit O. aprilis.

Zotto
Blasco Rafael, 20-05-2019 08:24
Blasco Rafael
Re : Orbilia sp 11-05-19
Hola Zotto
Las parafisis si son claramente capitadas.
mando micro en Rojo congo, las esporas se ven un poco mejor
Rafael
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Hans-Otto Baral, 20-05-2019 09:52
Hans-Otto Baral
Re : Orbilia sp 11-05-19
Woww! Now it is 5x better. Orbilia trapeziformis.

But the spores should be wider than 1.5 µm. These are the measurements from 50 collections:
*(5–)6.5–9.5(–11) × (2–)2.2–2.8(–3.2) µm
in dead state †6–9(–9.5) × 1.8–2.7 µm

Since your ascus measurements concur with mine:
*(45–)50–75(–80) × (4.4–)4.8–6(–7)((–7.5)) µm

I assume your spores are wider (9.5 x 2.3 is a good value).
Blasco Rafael, 20-05-2019 10:03
Blasco Rafael
Re : Orbilia sp 11-05-19
Gracias Zotto, el grueos no lo he anotado por que creia que queria ver la forma,
las medidas varian mucho dependiendo de la posicion de la espora, en estas medicion estan entre 2 y 2,5, no he medido ninguna que llegara a 3

Un saludo Rafael
Hans-Otto Baral, 20-05-2019 10:42
Hans-Otto Baral
Re : Orbilia sp 11-05-19
Could you please check the pores of the wood, is the branch ring-pored (Fraxinus) or are the pores in radial rows (Corylus, Betula)?

Tell me the collection data please.
Blasco Rafael, 20-05-2019 11:28
Blasco Rafael
Re : Orbilia sp 11-05-19
La madera no es dura.

recogida dia 10-05-19, rama caida de 1 cm
ETRS 89
Latitud  42º  37'  36,14"  N
Longitud 0º  32'  42,44"  E
Altitud 1243 m
Carretera benasque a senarta Km 64, Puente nuevo de san Jaime

Un saludo
Rafael

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Hans-Otto Baral, 20-05-2019 12:49
Hans-Otto Baral
Re : Orbilia sp 11-05-19
Good! I think it could be Corylus. If you manage a radial section, Coylus is easily identifid by its elliptical perforations with a few bars, see below.
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