24-07-2024 13:19
Thomas FlammerI am looking for a PDF of the above article. Thank
21-07-2024 10:13
Thierry Blondelle
Bonjour,Récolte sur branchette de Castanea dans u
21-07-2024 10:28
Alan Rockefeller
Which Peziza did I find on horse dung in Humboldt
19-07-2024 11:08
Miguel Ángel Ribes
Good morningThis Scutellinia from July 9 grew at 1
21-07-2024 06:23
Masanori KutsunaDear all, Does anyone have these papers and send
08-07-2024 23:34
Villalonga PacoSmall Scutellinia growing in garden soil (calcareo
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!