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12-03-2019 10:42

Castillo Joseba Castillo Joseba

Me mandan el material seco desde Galicia, naciendo

10-03-2019 09:17

Hans Halbwachs

Dear all,I would like to ask the community to help

05-03-2019 05:12

Ethan Crenson

I found this tiny discomycete in New York City par

09-03-2019 18:40

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde, on Berberi

11-03-2019 14:01

Castillo Joseba Castillo Joseba

Mer mandan el material seco desde Galicia, en hoja

10-03-2019 19:48

Per Marstad Per Marstad

We have  found this on deciduous wood, probably F

10-03-2019 21:47

Blasco Rafael Blasco Rafael

Hola, que les parece que puede ser, estaba pensand

10-03-2019 10:25

Blasco Rafael Blasco Rafael

Hola, necesito de su ayuda para poder ver el nombr

10-03-2019 12:13

Blasco Rafael Blasco Rafael

Alguno de Ustedes dispone de este articuloTHE GENU

09-03-2019 21:26

Sven Heinz Sven Heinz

Hello together, does anyone know this fungus? In

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Macrodiplodiopsis desmazieresii on Platanus occidentalis
Ethan Crenson, 04-03-2019 06:04
In Brooklyn, New York.  I believe I have found Macrodiplodiopsis desmazieresii on a fallen branch of Platanus occidentalis in my neighborhood.  There are tiny pustules beneath the bark which contain large, thick-walled, brown conidia that are 3-septate and enveloped in a mucoid (?) sheathe.  Conidia are 44.5-52 x 17.3-19.8µm.  The branch was lying at the base of a large Platanus occidentalis--the only one in the area. The neighborhood is otherwise heavily populated by Platanus x acerifolia, so I suppose it is possible that the branch was from one of those trees.  Has M. desmazieresii been recorded on Platanus occidentalis?  Is my identification correct?

Thank you!
  • message #56580
  • message #56580
  • message #56580
Katarina Pastircakova, 04-03-2019 08:27
Re : Macrodiplodiopsis desmazieresii on Platanus occidentalis
Hi Ethan,

your identification is correct. Platanus occidentalis is also the host of M. desmazieri.
You can find some records here: 
https://nt.ars-grin.gov/fungaldatabases/new_allView.cfm?whichone=all&thisName=Macrodiplodiopsis%20desmazieresii&organismtype=Fungus&fromAllCount=yes

Katarina
Ethan Crenson, 05-03-2019 04:11
Re : Macrodiplodiopsis desmazieresii on Platanus occidentalis
Thank you very much.  I can't believe I did not know about the existence of that database!