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Propolis-like with multispored asci
Gernot Friebes,
24-07-2014 13:48
I found this striking species on a decorticated branch of Quercus cf. cerris lying on the ground. Any ideas/suggestions? Ascospores measure about 16-19 x 4-4,5 µm.
Best wishes,
Gernot
PS: Unfortunately I didn't have time yet for a more thorough examination of the material. If further details are needed I can try to provide them.
Stefan Blaser,
28-07-2014 11:31
Re : Propolis-like with multispored asci
Hi Gernot
It may be Propolina cervina, which seems to be similar to Propolomyces but polysporous. But I don't have access to any description of that species. It may be described in Dennis 1995 Fungi of south east England and is originally described by Saccardo 1884
Stefan
It may be Propolina cervina, which seems to be similar to Propolomyces but polysporous. But I don't have access to any description of that species. It may be described in Dennis 1995 Fungi of south east England and is originally described by Saccardo 1884
Stefan
Gernot Friebes,
28-07-2014 14:52
Re : Propolis-like with multispored asci
Hi Stefan,
that is a great suggestion! Saccardo's short description in Sylloge Fungorum 8 (http://www.cybertruffle.org.uk/cyberliber/01456/0654.htm) fits quite well but he also gives a synonym for his species, Propolis cinerescens f. myriospora Tul. &. C. Tul., which is illustrated here in brilliant quality as can be expected by these authors: http://www.biodiversitylibrary.org/item/106459#page/254/mode/1up. Typical Propolis farinosa grows on the same branch as this multispored species, by the way.
I don't have Dennis' book so if anyone could check if Propolina cervina is mentioned in it, I'd be grateful!
Best wishes and many thanks again!
Gernot
that is a great suggestion! Saccardo's short description in Sylloge Fungorum 8 (http://www.cybertruffle.org.uk/cyberliber/01456/0654.htm) fits quite well but he also gives a synonym for his species, Propolis cinerescens f. myriospora Tul. &. C. Tul., which is illustrated here in brilliant quality as can be expected by these authors: http://www.biodiversitylibrary.org/item/106459#page/254/mode/1up. Typical Propolis farinosa grows on the same branch as this multispored species, by the way.
I don't have Dennis' book so if anyone could check if Propolina cervina is mentioned in it, I'd be grateful!
Best wishes and many thanks again!
Gernot
Chris Yeates,
28-07-2014 22:39
Re : Propolis-like with multispored asci
Hello Stefan & Gernot
re: "I don't have Dennis' book so if anyone could check if Propolina cervina is mentioned in it, I'd be grateful!"
It is mentioned but not, unfortunately, with a description. It just says (on page 128):
"Lignicolous saprophytes. Propolomyces with polysporous asci
Propolina cervina Sacc. On Quercus"
Amitiés
Chris
re: "I don't have Dennis' book so if anyone could check if Propolina cervina is mentioned in it, I'd be grateful!"
It is mentioned but not, unfortunately, with a description. It just says (on page 128):
"Lignicolous saprophytes. Propolomyces with polysporous asci
Propolina cervina Sacc. On Quercus"
Amitiés
Chris
Hans-Otto Baral,
29-07-2014 19:39
Re : Propolis-like with multispored asci
Wonderful ID!!
I thought I had responded here, but apparently not. I wonder about the marginal structure, i.e. the periphysoids (in radial section). Possibly this species differs from Propolis merely in polyspory? Then it would hardly deserve a genus of its own.
Zotto
I thought I had responded here, but apparently not. I wonder about the marginal structure, i.e. the periphysoids (in radial section). Possibly this species differs from Propolis merely in polyspory? Then it would hardly deserve a genus of its own.
Zotto
Gernot Friebes,
30-07-2014 18:44
Re : Propolis-like with multispored asci
Thanks, Chris! So Dennis also reports it from Quercus, interesting.
Zotto, right now I have to study a few other ascomycetes but I will try to get back to this find and make a section soon.
Best wishes,
Gernot
Zotto, right now I have to study a few other ascomycetes but I will try to get back to this find and make a section soon.
Best wishes,
Gernot
Gernot Friebes,
01-03-2016 12:17
Re : Propolis-like with multispored asci
A few days ago I found this interesting species again at the same location as the previous collection. I made a few more photos, this time also of the periphysoids.
Best wishes,
Gernot
Best wishes,
Gernot
Hans-Otto Baral,
01-03-2016 12:22
Re : Propolis-like with multispored asci
Wow! Is it again on Quercus?
Gernot Friebes,
01-03-2016 12:31
Re : Propolis-like with multispored asci
Yes, Quercus again, either Q. cerris or Q. petraea – a corticated branch on the ground.
Best wishes,
Gernot
Best wishes,
Gernot
Gernot Friebes,
01-03-2016 18:08
Re : Propolis-like with multispored asci
Sorry, I meant to write DEcorticated branch!