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30-07-2025 10:12

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous m'aider à

29-07-2025 18:59

Castillo Joseba Castillo Joseba

Me mandan el  material seco de Galicia, España,

28-07-2025 12:34

Enrique Rubio Enrique Rubio

Hi to everybody.I would appreciate any ideas about

28-07-2025 04:59

Richard Droker

Growing on resin (over moss on Tsuga heterophyll)l

13-06-2025 09:41

Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

13-06-2025 16:34

Andgelo Mombert Andgelo Mombert

Bonjour,Un petit discomycète qui me résiste. Il

24-07-2025 19:02

Castillo Joseba Castillo Joseba

De esta mañana en tronco caido de Haya A ver si

21-07-2025 19:22

Ethan Crenson

Hello all,  Here is an Orbilia found by a friend

14-07-2025 11:20

Michel Hairaud Michel Hairaud

Bonjour, Voici une espèce de  (?) Hyaloscyphace

18-07-2025 23:03

Josep Torres Josep Torres

Hello.Fruitings between 51 and 130 microns in tota

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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