15-01-2019 00:22
Marcel Heyligen
I found this asco by chance on the fruits of Capse
13-01-2019 13:32
Andgelo Mombert
Bonjour à tous, Sur branchette d'Abies alba, le
12-01-2019 14:05
Viktorie Halasu
Hello forum,is this correctly identified as Ceutho
12-01-2019 13:29
Marc Detollenaere
Hello forum, On rabbit dung that I collected 2 we
12-01-2019 15:40
Viktorie Halasu
Hello forum,there is another anamorph from Hedera
10-01-2019 16:13
Thorben HülsewigHi there,Bernd Fellmann found an interesting Nectr
08-01-2019 19:43
Manak RomanHi all, in December, I found small Hymenoscyphus
09-01-2019 21:28
Per Marstad
This is new for me. Found on Fagus, in Norway.The
Hypocopra
Joop van der Lee,
02-01-2019 23:34
Found on cow dung.Perithecia: young one 158.6x156.3 um (neck excluded), neck 29x55.1 um (photo-2); mature one 222x241 um (neck excluded), neck 53.5x76.7 um (photo-3).
Ascus: 95.1x11.8 um, 8 spores.
Spores: 14.6-16.3x6.5-7.2 um, uniseriate, longitudinal germ slit over length of spore.
Norbert Heine,
03-01-2019 23:04
Re : Unknown asco
You should search in the genus Hypocopra, Joop.
But I don't know a species with this sporesize and a full length germ slit.
I also miss a stroma.
A photo of the ascus tip with Melzer's reagent would be useful.
Sincerely, Norbert
Joop van der Lee,
04-01-2019 00:04
Re : Unknown asco
Hello Norbert,
I was also thinking about Hypocopra but also missed a stroma.
I will try to find another species and look for more specifics.
Thanks for the info I will ask David Malloch if he has some more info.
Joop
I was also thinking about Hypocopra but also missed a stroma.
I will try to find another species and look for more specifics.
Thanks for the info I will ask David Malloch if he has some more info.
Joop
Joop van der Lee,
04-01-2019 16:54
Re : Unknown asco
Hello Norbert,
David did send me documentation from Cain about Hypocopra, if you do not have it I can send it to you.
I do have a photo from the top of an ascus, is this one sufficient enough or do you need more?
Further investigation of the photos revealed that the germ slit does not run in the full length of the spore but between 8-10 um.
In my opinion if we take Hypocopra into account the measurements of the spores do correspond to H. parvula (species # 20) as indicated in New species of Hypocopra (Xylariaceae)' by J. C. Krug and R. F. Cain. But this species is described by D. Griffiths (1901) in The North American Sordariaceae Mem. Torre Bot. Club, 11: 1-134 and I do not hold that document.
I also checked the genus Podosordaria but no comparison
Greetings,
Joop
David did send me documentation from Cain about Hypocopra, if you do not have it I can send it to you.
I do have a photo from the top of an ascus, is this one sufficient enough or do you need more?
Further investigation of the photos revealed that the germ slit does not run in the full length of the spore but between 8-10 um.
In my opinion if we take Hypocopra into account the measurements of the spores do correspond to H. parvula (species # 20) as indicated in New species of Hypocopra (Xylariaceae)' by J. C. Krug and R. F. Cain. But this species is described by D. Griffiths (1901) in The North American Sordariaceae Mem. Torre Bot. Club, 11: 1-134 and I do not hold that document.
I also checked the genus Podosordaria but no comparison
Greetings,
Joop
