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25-03-2026 10:35

Encoelia impudicella?
Hulda Caroline Holte

Hello,I collected this species growing on a dead b

25-03-2026 22:23

Orbilia with resin deposits
Marc Detollenaere Marc Detollenaere

Dear Forum,On a debarked stem of Tilia, we found s

24-03-2026 15:44

Leptodontidium cf. trabinellum
Åge Oterhals

I hope someone can confirm the name of this collec

25-03-2026 20:53

Didymopsis helvellae on Helvella?
François Bartholomeeusen

Dear forum members,On 23 March 2026, I found sever

23-03-2026 20:16

Coprotus 210226 315
Miguel Ãngel Ribes Miguel Ángel Ribes

Good eveningI'm unable to identify this Coprotus o

25-03-2026 15:06

Hyaloscypha albohyalina à confirmer
Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous me confirm

25-03-2026 13:54

Litterature on Eutypa
Enrique Rubio Enrique Rubio

Does anyone know where I could download Paoletti's

25-03-2026 15:46

Schizoxylon ou proche
Michel Hairaud Michel Hairaud

Bonjour, Je sollicite de l'aide pour cette récol

24-03-2026 19:59

Sclerotinia binucleata?
William Slosse William Slosse

Hello everyone,On 23/03/26, I found the following

21-03-2026 15:13

MYXOMYCETICOLOUS FUNGI
Lepista Zacarias

Hello everyone, Does any one know of any literatu

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on populus
peter peperkamp, 24-10-2012 21:16
this asco on twigs, Asci slightly J+ and operculate.
spores 14.5 -16.4 long,  looks a little warthy within the ascus but it appears to be little drops  of oil, further the spores contain 2 big droplets of oil.
who has a suggestion ?

Peter
  • message #20138
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Chris Yeates, 24-10-2012 21:25
Chris Yeates
Re : on populus
Hello Peter
are they really operculate? this reminds me of Lanzia (Rutstroemia) luteovirescens

Chris
peter peperkamp, 24-10-2012 23:32
Re : on populus
yep , hard to see but Ill ad a pic of ascus tip..
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Chris Yeates, 24-10-2012 23:53
Chris Yeates
Re : on populus
that makes it inoperculate - an operculum is (generally) a lid which lifts off to form an opening - not a pore opening such as one can see (stained) here . . .

see http://website.nbm-mnb.ca/mycologywebpages/NaturalHistoryOfFungi/DiscomycetesDiscussion.html

regards
Chris
Hans-Otto Baral, 25-10-2012 09:38
Hans-Otto Baral
Re : on populus
Yes, Rutstroemia luteovirescens is most probable (also Martin Bemmann gave me that idea). But the substrate should then be petioles of Acer.

Zotto
peter peperkamp, 25-10-2012 18:03
Re : on populus
oef.... did I go wrong with that ,,, And I draw the right example on the first page of my E & E.. so I wont forget !!!!   
And  I found it on a grassy site in a little park with large Populus , but Acer stood there to a little further away, so it could be Acer as wel ...