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25-03-2026 10:35

Hulda Caroline Holte

Hello,I collected this species growing on a dead b

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

24-03-2026 21:37

Elisabeth Stöckli

Bonsoir,Sur bois (tronc) très pourri de conifère

24-03-2026 21:07

Ethan Crenson

Hello all, A friend collected this asco in a wood

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

24-03-2026 11:58

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia, recolectado en c

23-03-2026 13:24

Paul Cannon

Could anyone provide me with a pdf of Auerswald's

20-10-2017 09:23

Garcia Susana

Este otro crecía en el mismo trocito de madera qu

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Ionomidotis irregularis ?
Ethan Crenson, 26-09-2019 05:23
Hello all,

I was on a walk last Sunday in the Bronx, NYC where a friend of mine found a very interesting asco.  It has a black fertile surface.  The outer surface is scurfy and dark brown.  It is rather thin and papery, especially after drying. It was growing on deciduous wood.  Asci that I measured were 70-73 x 6.5-7.5µm.  Spores are hyaline, biguttulate, ellipsoid and 7-10.5 x 3-4µm.  Paraphyses are lanceolate, septate, they enlarge to about 4µm at the widest point.  Many of the heads of the paraphyses became detached.  I applied KOH and noticed that there was an exudate of dark red pigment.  It also appears to be bitunicate.  (Unfortunately I am having problems with my image capture equipment, so I don't have the best documentation of all of these features).  Is this Ionomidotis irregularis? 

Many thanks in advance for your help.

Ethan
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