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11-07-2018 13:11

Malcolm Storey

Another disco from years ago. This one on Abies co

26-03-2019 13:50

Kosonen Timo Kosonen Timo

A fellow student working with mosses came up with

26-03-2019 07:44

PASCAL DUBOC

Bonjour ces cupules de maxi 10mm à pied net, en

23-03-2019 16:06

Peter Thompson

Hello Everyone,I have found perithecia of a black

26-03-2019 11:19

Castillo Joseba Castillo Joseba

Me mandan desde Galicia el material seco.... me di

26-03-2019 17:48

Andgelo Mombert Andgelo Mombert

Bonjour, Je voulais savoir s'il y avait des Nectr

26-03-2019 09:16

Castillo Joseba Castillo Joseba

en hoja de cameliasNo se si será suficente la inf

26-03-2019 15:59

Till Lohmeyer

Bonjour, je cherche p. 149 de l'article par Voglm

25-03-2019 11:58

Castillo Joseba Castillo Joseba

Me mandan de Galicia  esta muestra en seco ,  re

25-03-2019 18:59

Riet van Oosten Riet van Oosten

Hello, Found by Jan Henk (14-11-2018, The Netherl

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disco on Abies cone
Malcolm Storey, 11-07-2018 13:11
Another disco from years ago. This one on Abies cone scales.

http://www.bioimages.org.uk/html/r162856.htm


Ascospores: cylindric-clavate, 32/3µm, multi-vacuolate and 1-septate.


Paraphyses: filiform, branched, 2µm diam, tips weakly agglutinated.


Ascus tips not staining in Melzer's Iodine.


Excipulum: soft, black, covering hymenium when young.

Many thanks for any comments.

Hans-Otto Baral, 11-07-2018 13:17
Hans-Otto Baral
Re : disco on Abies cone
Looks rhytismatalean to me.
Malcolm Storey, 11-07-2018 15:36
Re : disco on Abies cone
Many thanks again Hans-Otto.
Malcolm Storey, 27-03-2019 14:03
Re : disco on Abies cone
This has been identified as Colpoma crispum. It's more usually found on dead branches of the same host.
Hans-Otto Baral, 27-03-2019 16:18
Hans-Otto Baral
Re : disco on Abies cone
Dear Malcolm

thanks for this result. It is possible, though I think the spores are with 3 µm a bit wide when comparing available data.

Zotto
Malcolm Storey, 27-03-2019 17:53
Re : disco on Abies cone
It was identified by Paul Cannon at Kew. He had the material but I don't know if he measured the spores himself. Some of my measurements have been a bit wider than they should be - perhaps caused by the mounting medium. (I know it's always best to use water!!)
Hans-Otto Baral, 27-03-2019 18:38
Hans-Otto Baral
Re : disco on Abies cone
In water the spores would be wider, but it could be that pressure made the spores wider.