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Terje Kristiansen

The rose is intertwined with black elderberry.Prob

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Substrate: pretty much soaked Fagus wood under new

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Calonectria species on Ilex
John Leach, 22-07-2015 21:55

Hello all


I found this Calonectria growing on old rotting Ilex leaves and determined it as possibly Calonectria ilicicola, but understand there's a 'similar' Calonectria pyrochroa, which I have very little information on.


Found in Sheffield, South Yorkshire, England


Spore Size = 22 x 4 micron
Ascus 60 - 70 x 9 - 10 micron


Any help or comments are as always much appreciated.


Best Wishes - John

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Alain GARDIENNET, 22-07-2015 22:12
Alain GARDIENNET
Re : Calonectria species on Ilex

Hi John,


The solution is perhaps here : IMA fungus - Vol. 1 n°2  / 101-108


http://www.imafungus.org/IMAfungusDetails.aspx?Rec=2


Alain

Chris Yeates, 22-07-2015 22:34
Chris Yeates
Re : Calonectria species on Ilex
Bonsoir tous
Could this not be Hydropisphaera erubescens?
@John - With regard to Calonectria pyrochroa, see http://www.ascofrance.com/search_forum/25038 for a discussion re that taxon on ASCOfrance. I shall definitely have a look at that interesting paper to which Alain has pointed us.
regards
Chris
John Leach, 22-07-2015 22:49
Re : Calonectria species on Ilex
Thanks Alain for the link. It looks very interesting.

Best Wishes - John
John Leach, 22-07-2015 22:54
Re : Calonectria species on Ilex
Hi Chris

I think Alain has provided a good pointer. We shall see :)

Best Wishes - John
John Leach, 22-07-2015 23:35
Re : Calonectria species on Ilex
Hydropisphaera erubescens looks spot on!

Many thanks Chris and Alain

Best Wishes - John
Alain GARDIENNET, 23-07-2015 07:40
Alain GARDIENNET
Re : Calonectria species on Ilex

Yes, I look attentively your photos. It isn't a Calonectria and it looks like an Hydropisphaera. Chris gives you the solution. H. erubescens, common on Ilex leaves.


You can check the Calonectria now... And perhaps you will find an Ijuhya species growing on a such substrate too.


Alain


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