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26-05-2016 04:26

Rosellinia corticium... or aquila?
Ethan Crenson

Hudson Valley, New York, Dutchess County.  Substr

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Rosellinia corticium... or aquila?
Ethan Crenson, 26-05-2016 04:26
Hudson Valley, New York, Dutchess County.  Substrate unknown hardwood.  This Rosellinia has a dense brown subiculum.  Stromata are about 1mm.  Asci: approximately 130-175 by 17-20.  Spores are brown: 24-31 by 8-10.  Apical apparatus: 8-11 by 4-7 and blue in Lugol's.  Germ slit full length of the spore, or nearly so.  Hyaline appendage at both ends of some of the spores. 

Rosellinia corticium? or Rosellinia aquila?  Can someone help me understand what differentiates the two?

My thanks in advance.
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Jacques Fournier, 26-05-2016 09:23
Jacques Fournier
Re : Rosellinia corticium... or aquila?
Hi Ethan,
you have answers to your questions in the following paper you can download for free on Sydowia's website
PETRINI L.E. 1992. ? Rosellinia species of the temperate zones. Sydowia, 44: 169–281
Cheers,
Jacques
Ethan Crenson, 26-05-2016 17:29
Re : Rosellinia corticium... or aquila?
Thank you Jacques!  That's a great help!