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08-03-2019 17:37

Ethan Crenson

Found in New York City on the detached bark of unk

12-03-2019 11:54

Castillo Joseba Castillo Joseba

Me maqndan el material seco de Galicia,  recolect

10-03-2019 22:31

Ron Bronckers

Hello,Can anybody provide me with a copy of the fo

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

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Tiny yellow cups on bark
Ethan Crenson, 08-03-2019 17:37
Found in New York City on the detached bark of unknown hardwood.  The cups are .5 - 1.5 mm in diameter, sessile.  Pale yellow when hydrated and becoming yellow-orange as they dry. The outer surface is brownish.  The asci are IKI+ measuring 36-43 x 5µm. The spores are fusiform, some curved, mostly non-septate.  I saw one spore, the longest I measured, that was 1-septate.  Spores measure (7.5-) 9-14 (-16) x (1.5-) 2-3 µm.  Cells of the ectal excipulum are brown, of textura angularis to globulosa.  Medullary excipulum of textura epidermoidea to intricata.  (Excipulum images are 2nd and 3rd to last. Please correct me if I'm wrong)  If anyone has an idea what this is please let me know.  Your input is much appreciated.

Ethan
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Hans-Otto Baral, 08-03-2019 17:51
Hans-Otto Baral
Re : Tiny yellow cups on bark
Do you have living paraphyses? Do they contain refractive vacuoles?
I suppose a Mollisia.
Ethan Crenson, 12-03-2019 17:55
Re : Tiny yellow cups on bark
Zotto, thank you for your reply. Yes, I think I do have living paraphyses with refractive vaucoles indicated in the photos here.
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Hans-Otto Baral, 12-03-2019 18:10
Hans-Otto Baral
Re : Tiny yellow cups on bark
The arrows point to non-refractive vacuoles. between the vacuoles is refractive matter, but this might be dead cytoplasm, These cells appear to me to be in suboptimum (overmature), as seems the whole population.