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Elisabeth StöckliBonsoir,Sur feuilles d'Osmunda regalis (Saulaie),
02-07-2025 17:26
Yanick BOULANGERBonjourRécolté sur une brindille au fond d'un fo
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Nicolas VAN VOOREN
Hello, bonjour.Here is the paper I'm searching for
30-06-2025 16:56
Lydia KoelmansPlease can anyone tell me the species name of the
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Josep Torres
Hello.A Pleosporal symbiotic organism located and
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Edvin Johannesen
This tiny, rather "rough" erumpent asco was found
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Ethan CrensonHi all, Another find by a friend yesterday in Bro
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Götz Palfner
This is a quite common species on Nothofagus wood
25-06-2025 16:56
Philippe PELLICIERBonjour, pensez-vous que S. ceijpii soit le nom co
Trichopezizella with Helicogonium endoparasite?
Edvin Johannesen,
04-08-2021 23:16
Hi!
I suspect I have a Trichopezizella with a hymenial parasite very similar to what was discussed here:
This one grows on dead Reynoutria japonica stems in Western Norway.
I think the asci (IKI-) have croziers and belong to the parasite (if I'm right in that there is one). The ascospores pinch off conidia at the terminal end. There are loads of conidia, but relatively few primary ascospores. Paraphyses lanceolate. Hairs with yellowish-orange chrystals at the tips. Is it possible to say if this is T. rubroguttata or T. nidulus? Is the parasite (again IF) a Helicogonium?
Opinions greatly appreciated.
Cheers.
Edvin Johannesen,
04-08-2021 23:17
Re : Trichopezizella with Helicogonium endoparasite?
And ascospores and conidia (last two in phase contrast).
All images in water.
Hans-Otto Baral,
05-08-2021 11:16
Re : Trichopezizella with Helicogonium endoparasite?
Yes it is clearly Helicogonium! You can try my key but it will be difficult. I cnanot remember such a host, but not sure.
Edvin Johannesen,
05-08-2021 11:41
Re : Trichopezizella with Helicogonium endoparasite?
Thanks, Zotto. I don't have your key - is it the one in Nova Hedwigia 69: 1-71? When you say you don't remember the host, are you referring to Trichopezizella as host for the Helicogonium or Reynoutria as host for the Trichopezizella? Finally, do you think this is T. rubroguttata or T. nidulus (what are the differences)?
Hans-Otto Baral,
05-08-2021 11:53
Re : Trichopezizella with Helicogonium endoparasite?
I meant the host Trichopezizella.
It is the nova hedwigia paper, yes.
All what is not on Polygonatum is T. rubroguttata, but there exist populations with H+ and H-, maybe two different species.
Edvin Johannesen,
05-08-2021 12:02
Re : Trichopezizella with Helicogonium endoparasite?
Thanks a lot! (Sorry, but what do you mean by H+/H-?)
Hans-Otto Baral,
05-08-2021 12:26
Re : Trichopezizella with Helicogonium endoparasite?
H+ = with croziers (Haken)
Edvin Johannesen,
05-08-2021 12:31
Re : Trichopezizella with Helicogonium endoparasite?
Cheers!