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Thomas Læssøehttps://svampe.databasen.org/observations/10587061
Unknown (lophodermium-like) species on heracleum (new pics added)
Ralph Vandiest,
26-02-2014 22:16
Hello,I found this species on heracleum. Size 0,2/0,4mmx0,1/0,2mm, asci 8-spored 47/64x16/21, spores 13/18x6/8µm. Textura angularis and the paraphyses are absent in this stage
Any suggestions?
regards,
Ralph
IMG-3475-0001.JPG
Ralph Vandiest,
27-02-2014 18:02
Re : Unknown (lophodermium-like) species on heracleum (new pics added)
Extra pictures in this link
http://waarnemingen.be/waarneming/view/81993005
PS I have fresh material, if anybody wants to have a look at it, just send me an e-mail and I will send dry material to you
Ralph Vandiest,
27-02-2014 20:43
Re : Unknown (lophodermium-like) species on heracleum (new pics added)
Some more microscopic pictures ...
Size of fruiting body is also corrected
Size of fruiting body is also corrected
IMG-3488-0001.JPG
Hans-Otto Baral,
27-02-2014 22:55
Re : Unknown (lophodermium-like) species on heracleum (new pics added)
I suppose this is a bitunicate ascomycete. The spore shape with the strong constriction and broader upper part suggests this, also the wonderful ohoto of living asci with the apical thickening lets me think of a "jack-in-the-box"-mechanism.
I have no experience with such fungi. Maybe this is rather a pyrenomycete.
Zotto
I have no experience with such fungi. Maybe this is rather a pyrenomycete.
Zotto
Luc Bailly,
01-03-2014 00:38
Re : Unknown (lophodermium-like) species on heracleum (new pics added)
Hi all,
I have no idea right now, though I wonder if I haven't seen something similar. There's a young ascus on a photo clearly suggesting a Dothideomycetes, a bitunicate.
You gotta search among Didymella, Mycosphaerella, Venturia and other didymosporous Dothideomycetes. I'll try to have a look tomorrow.
Cheers - LUC.
I have no idea right now, though I wonder if I haven't seen something similar. There's a young ascus on a photo clearly suggesting a Dothideomycetes, a bitunicate.
You gotta search among Didymella, Mycosphaerella, Venturia and other didymosporous Dothideomycetes. I'll try to have a look tomorrow.
Cheers - LUC.
Luc Bailly,
01-03-2014 15:19
Re : Unknown (lophodermium-like) species on heracleum (new pics added)
I have a better idea: just check a bit Psiloglonium and related genera, here for example? Looks like the ascomes are hysteriothecia's.
There are genera with Didymella-like didymospores:
http://studiesinmycology.org/content/64/1/49.full.pdf+html
My two cents.
Cheers - LUC
EDIT: from informal email exchanges, it appears Psiloglonium have a much thicker peridium, so scrap that.
I fear that's one of those many species which need further samples to be studied and sequenced by professional mycologists and labs :/
There are genera with Didymella-like didymospores:
http://studiesinmycology.org/content/64/1/49.full.pdf+html
My two cents.
Cheers - LUC
EDIT: from informal email exchanges, it appears Psiloglonium have a much thicker peridium, so scrap that.
I fear that's one of those many species which need further samples to be studied and sequenced by professional mycologists and labs :/
Ralph Vandiest,
01-03-2014 19:02
Re : Unknown (lophodermium-like) species on heracleum (new pics added)
Hello Luc,
Thanks for the info. I will have a look at this genus tonight.
PS I saw you're from Belgium. Where. i from Vossem (Tervuren)
regards
Thanks for the info. I will have a look at this genus tonight.
PS I saw you're from Belgium. Where. i from Vossem (Tervuren)
regards
Luc Bailly,
02-03-2014 01:00
Re : Unknown (lophodermium-like) species on heracleum (new pics added)
You're welcome, Ralph.
I'm from Roche-à-Frêne, Manhay, province Luxembourg, and I'm active member in the Mycologues du Luxembourg Belge, Société Botanique de Liège (mycology section) and AMFB. And some French societies.
More off-forum.
Cheers - LUC.
I'm from Roche-à-Frêne, Manhay, province Luxembourg, and I'm active member in the Mycologues du Luxembourg Belge, Société Botanique de Liège (mycology section) and AMFB. And some French societies.
More off-forum.
Cheers - LUC.
Björn Wergen,
16-03-2014 21:59
Re : Unknown (lophodermium-like) species on heracleum (new pics added)
Hi friends,
here are further results of the "lophodermium-like" species from Ralph. It is not a Dothideomycete, but I am thinking of Lecanoromycetes.
I do not have an idea until now. But I will study more literature to find it out.
regards,
björn
here are further results of the "lophodermium-like" species from Ralph. It is not a Dothideomycete, but I am thinking of Lecanoromycetes.
I do not have an idea until now. But I will study more literature to find it out.
regards,
björn
