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12-03-2026 19:44

Enrique Rubio Enrique Rubio

Hi to everybody.Can you give me any suggestions ab

17-03-2026 10:09

François Freléchoux François Freléchoux

Bonjour, Voici la description rapide d'un petit d

17-03-2026 10:40

Martine  Vandeplanque Martine Vandeplanque

Bonjour à tous.Chaque année en mars ou avril, il

05-03-2026 10:07

Hulda Caroline Holte

Hello, I found and collected this species growing

12-03-2026 15:45

Åge Oterhals

Dear forum,I found this small discomycete on a ver

12-03-2026 16:17

Sylvie Le Goff

Bonjour à tousRécolté dans le 22 en France (ré

11-03-2026 17:36

Michel Hairaud Michel Hairaud

Bonjour, Je cherche des indices  pour cette réc

14-03-2026 13:51

Thierry Blondelle Thierry Blondelle

Hi everybody Under Quercus ilex, i hesitate to na

08-03-2026 14:05

Thierry Blondelle Thierry Blondelle

Bonjour à tous,Sur 3 récoltes supposées de H. l

12-03-2026 14:37

David Wasilewski

These small ascomycota (1-3 mm) ere observed growi

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Yellow-brown cup with ionomidotic reaction
Ethan Crenson, 14-11-2021 15:59
Hello all,

Found recently in New York.  These small, 1mm diameter max., apothecia exude red pigment in KOH.

Asci 35-42 x 4-5µm, IKI-, croziers present.

Spores bi-guttulate, 4.8-7 x 1.3-2µm.

Paraphyses narrow, not broadening near the tip.
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Hans-Otto Baral, 14-11-2021 16:51
Hans-Otto Baral
Re : Yellow-brown cup with ionomidotic reaction
In earlier times thos was the ochre-yellow form of Ionomidotis fulvotingens. Since DNA exists, it is a species very different from that. But until now, no name could be found in the literature, although the species is not really rare.

In my folder "Ionomidotis aff., fulvotingens" you can find it.

I would be glad to know the collection data and the substrate.
Ethan Crenson, 15-11-2021 17:20
Re : Yellow-brown cup with ionomidotic reaction
Thank you!  I made this collection at Untermyer Gardens in Yonkers, New York...  Lat: 40.965233

Lon: -73.888222

The substrate is hardwood, but I'm not really able to say more. 
Hans-Otto Baral, 15-11-2021 17:50
Hans-Otto Baral
Re : Yellow-brown cup with ionomidotic reaction
o.k., and is there a collection date?
Ethan Crenson, 15-11-2021 17:52
Re : Yellow-brown cup with ionomidotic reaction
Oh, yes ... 6 Nov 2021