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16-06-2019 11:54

Nicolas VAN VOOREN Nicolas VAN VOOREN

Hello.Here is a Hymenoscyphus species growing on b

16-06-2019 12:07

Riet van Oosten Riet van Oosten

Hello, Found by Theo Westra, 13-06-2019 (The Neth

14-06-2019 15:32

Malcolm  Greaves Malcolm Greaves

A small group of Perithecia on rotten (salix?) woo

14-06-2019 09:40

Per Marstad Per Marstad

I have found this in Norway, on hardwood, laying o

14-06-2019 06:40

Django Grootmyers

What is this parasite of Cantharellus minor? Found

11-06-2019 01:49

Valencia Lopez Francisco Javier

Hola amigos...Adjunto fotos de unas supuestas Para

11-06-2019 00:32

Elisabeth Stöckli

Bonsoir, Sur feuilles de ronce (Rubus/roncier à

11-06-2019 16:20

Garcia Susana

Hola, He recolectado este asco sobre estiercol, c

12-06-2019 22:42

Ethan Crenson

Hello all, A friend noticed these tiny fruiting b

11-06-2019 00:08

Ethan Crenson

Hello all, I found a few of these tiny black cush

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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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