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Pourriez-vous me confirmer ma détermination de ce
setulose pyrenomycete on Pinus wood
Björn Wergen,
31-01-2012 13:42
Hi,today I have found a curious small pyrenomycete growing on decorticated Pinus wood. I have recognized the fruitbodies by looking for fbs of Hyaloscypha aureliella.
Fbs are about 80-120µm broad, sphaerical to a bit flattened when older, covered with 20-40µm long, black setae. Whole fruitbody is black.
Spores 16-19x5,5-7µm, clavate, with 5 transversal and 1-2 longitudinal septa, pale green-brown, smooth, with small dotlike oildrops. Asci 40-50x15-20µm, saccate and very short stalked, with 8 spores, bitunicate? Paraphyses not seen.
Perhaps someone has an idea, it would be very great :)
regards,
björn
Björn Wergen,
31-01-2012 14:02
Re : setulose pyrenomycete on Pinus wood
Hi Yan,
my correct name is björn.
Thank you for the help. What dou you wish to see in the complete documentation? Perhaps it is possible to make some more photos, if there are more fruitbodies ;)
regards,
björn
my correct name is björn.
Thank you for the help. What dou you wish to see in the complete documentation? Perhaps it is possible to make some more photos, if there are more fruitbodies ;)
regards,
björn
Yannick Mourgues,
31-01-2012 14:05
Re : setulose pyrenomycete on Pinus wood
Hi Björn.
Did you have look around Pleospora genus ?
Yannick
Did you have look around Pleospora genus ?
Yannick
Björn Wergen,
31-01-2012 14:08
Re : setulose pyrenomycete on Pinus wood
Hi Yannick,
I did, the spores remember me on some species of Phaeosphaeria. I will look for a key now.
Well I think Pleospora species have longer and cylindrical asci. Here we have a saccate asci. I would say that this is very untypical for Pleospora sp
I did, the spores remember me on some species of Phaeosphaeria. I will look for a key now.
Well I think Pleospora species have longer and cylindrical asci. Here we have a saccate asci. I would say that this is very untypical for Pleospora sp
Alain GARDIENNET,
31-01-2012 14:24
Re : setulose pyrenomycete on Pinus wood
Ce n'est pas un Pleospora. La forme des asques, la forme et la couleur des spores, l'absence de paraphyses sont typiques des Capronia ou genres affines.
Alain
Alain
Björn Wergen,
31-01-2012 14:40
Re : setulose pyrenomycete on Pinus wood
Hi Alain,
I saw you had a similar species, called C. semi-immersa. Where is Gernot? :D
regards,
björn
I saw you had a similar species, called C. semi-immersa. Where is Gernot? :D
regards,
björn
Alain GARDIENNET,
31-01-2012 15:39
Re : setulose pyrenomycete on Pinus wood
Yes !