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10-05-2026 09:02

Buckwheat Pete

Hello everybody, ould this be Lachnum subvirgineu

08-05-2026 11:55

Gernot Friebes

Hi,found on a decorticated Picea abies branch stil

11-05-2016 20:37

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hi,this very little ascomycete grew on soil in a m

09-05-2026 07:37

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,please, could anyone share this paper?Ferná

07-05-2026 11:02

Ã…ke Widgren Ã…ke Widgren

Hello,About two months ago I found a strange Delit

05-05-2026 22:40

Gernot Friebes

Hi,I believe this is a Plagiostoma growing on a Sa

06-05-2026 11:25

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia (España) re

06-05-2026 17:23

Thomas Læssøe

https://svampe.databasen.org/observations/10594257

28-04-2026 20:07

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig in the air at standing Ceratonia siliq

04-05-2026 18:13

Stephen Martin Mifsud Stephen Martin Mifsud

ID request for what seems to be a true aquatic fun

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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!