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24-02-2026 11:01

Gernot Friebes

Hi,found on a branch of Tilia, with conidia measur

23-02-2026 11:22

Thomas Læssøe

https://svampe.databasen.org/observations/10584971

24-02-2026 00:21

Benoît Segerer

Hello,I'm new to this forum, I hope I won't be irr

29-11-2024 21:47

Yanick BOULANGER

BonjourJ'avais un deuxième échantillon moins mat

07-02-2023 22:28

Ethan Crenson

Hello friends, On Sunday, in the southern part of

19-02-2026 17:49

Salvador Emilio Jose

Hola buenas tardes!! Necesito ayuda para la ident

09-02-2026 22:01

ruiz Jose

Hola, me paso esta colección en madera de pino, t

19-02-2026 13:50

Margot en Geert Vullings

We found this collection on deciduous wood on 7-2-

19-02-2026 12:01

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España), recole

17-02-2026 09:41

Maren Kamke Maren Kamke

Good morning, I found a Diaporthe species on Samb

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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