Accès membres

Mot de passe perdu? S'inscrire

29-01-2013 12:15

Stefan Blaser

Hello everybody I do have one more "burden of the

29-01-2013 12:17

Nina Filippova

Hello everyone, previous post of Exarmidium diaph

30-01-2013 01:10

Miguel Ãngel Ribes Miguel Ángel Ribes

Good night againThis small (4-6 mm diam.) orange t

29-01-2013 10:59

Stefan Blaser

Hello everybody I found these black apothecia on

30-01-2013 17:18

Michel RIMBAUD

Bonjour, J'ai récolté ceci sur une tige d'ombell

29-01-2013 18:31

Nina Filippova

There is another collection from Chamaedaphne caly

29-01-2013 22:25

Nick Aplin

Salut à tous,I have been struggling with this lit

29-01-2013 21:17

Miguel Ãngel Ribes Miguel Ángel Ribes

Hi friendsI have a Ciboria on Alnus glutinosa, but

25-01-2013 09:39

Beñat Jeannerot Beñat Jeannerot

Adio à tous, Adio to all, Une Lamprospora, sur

28-01-2013 12:20

Reza Shaian

Dear FriendsDo you have PDF file of Dissing 1966 (

« < 1294 1295 1296 1297 1298 > »
Pyrenochaeta nobilis var. ilicis
Chris Yeates, 08-02-2022 23:10
Chris Yeates
Hello all

A recent collection of this fungus on fallen leaves of a planted tree of variegated holly allowed a detailed study of its structures. One thing which was surprising was the presence of amorphous crystals in (or on) the pycnidial wall (top right in accompanying plate). These were definitely not stray crystals from the host tissues or another source, but solely confined to the pycnidia. I can find no references to this in the literature.

It might be interesting to see whether others have observed this or could look out for this feature. Particularly interesting would be whether such crystals also occur in var. nobilis on dead Laurus leaves or whether the crystal formation is triggered by having Ilex as a host.

Cordialement, Chris
  • message #71768