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Helminthosphaeria?
Per Vetlesen,
01-04-2016 09:39
this asco was found on a decorticated branch of Fraxinus excelsior on the ground in Stange, Norway.
It looks a bit like a mini Helminthosphaeria stuppea, but has shorter spores, septate setae, smaller asci and smaller septate ascispores!
I have studied Miller et al. Phylogenetic relationships of five uncommon species of Lasiosphaeria and three new species in the Helminthosphaeriaceae (Sordariomycetes) and in fig 22.D there is a four-celled spore from what they call "Helminthosphaeria stuppea-like". Could it be what I have found?
Any comment is appreciated.
Regard
Per
Andrew N. Miller,
01-04-2016 15:57
Re : Helminthosphaeria?
Probably. H. stuppea-like things can be quite variable (morphologically and genetically), which is why we illustrated it 3 times.
Andy
Andy
Per Vetlesen,
01-04-2016 18:13
Re : Helminthosphaeria?
Hi Andy
Thank you for answering and thank you for illustrating it 3 times.
Per