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25-03-2026 22:23

Marc Detollenaere Marc Detollenaere

Dear Forum,On a debarked stem of Tilia, we found s

25-03-2026 20:53

François Bartholomeeusen

Dear forum members,On 23 March 2026, I found sever

23-03-2026 20:16

Miguel Ãngel Ribes Miguel Ángel Ribes

Good eveningI'm unable to identify this Coprotus o

24-03-2026 15:44

Åge Oterhals

I hope someone can confirm the name of this collec

25-03-2026 15:06

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous me confirm

25-03-2026 10:35

Hulda Caroline Holte

Hello,I collected this species growing on a dead b

25-03-2026 13:54

Enrique Rubio Enrique Rubio

Does anyone know where I could download Paoletti's

25-03-2026 15:46

Michel Hairaud Michel Hairaud

Bonjour, Je sollicite de l'aide pour cette récol

24-03-2026 19:59

William Slosse William Slosse

Hello everyone,On 23/03/26, I found the following

21-03-2026 15:13

Lepista Zacarias

Hello everyone, Does any one know of any literatu

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Small orange disco
Masanori Kutsuna, 28-01-2013 04:54
Hello, everyone

I found small orange disco on stem of Miscanthus sinensis in October, Japan.


Apothecia aboud 1 mm., sessile, outer surface brownish.
Ectal excipulum similar to Mollisia, consisting of globular cells, brown.
Medullary excipulum hyaline.
Asci: IKI+ (red), 74-92 x 7.4-8.5 microns
Paraphyses: continuous refractive, pale orange.
Ascospores: 16.3-21.5 x 2.6-3.7 microns.


Is it Mollisia?

Kutsuna

  • message #21469
  • message #21469
Michel Hairaud, 28-01-2013 08:34
Michel Hairaud
Re : Small orange disco
Hi Masanori, 

Your fungus looks very much like Mollisia aurantioviolascens, a non yet published name which you can find in Andreas Gminder's key .
You can try the KOH reaction , violet .

Amitiés
Michel
Masanori Kutsuna, 29-01-2013 00:29
Re : Small orange disco
Hi Michel,

Thank you for your quick reply.
Hymenium turns violet with KOH.
I think "M. aurantioviolascens" differs in spore size..  

Regards.
Masanori Kutsuna