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13-06-2025 09:41

Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

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

17-07-2025 11:55

Castillo Joseba Castillo Joseba

De ayer en bosque de hayas y abetos, en tieraEjemp

16-07-2025 17:34

Bernard Declercq Bernard Declercq

Hello,I have trouble distinguishing above mention

15-07-2025 13:27

Angel Pintos Angel Pintos

Hello, does anyone have access to the following ar

16-01-2023 21:31

Riet van Oosten Riet van Oosten

Hello, Nearby the find of Calycina claroflava on

14-07-2025 17:55

Yanick BOULANGER

BonjourAutre dossier laissé en suspendJe viens de

14-07-2025 11:17

Yanick BOULANGER

BonjourJ'ai un dossier Jackrogersella qui est rest

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Pezicula sp. on Pyrularia pubera - North Carolina, USA
Danny Newman, 24-11-2023 21:38
Danny Newman
higher resolution images available at inaturalist.org/observations/180579535

on standing, dead herbaceous central stems of Pyrularia pubera (see last image)

hymenial surface incrusted with abundant, dextrinoid (?), stellate crystals

Stage micrometer was recently lost, and so sadly I have no measurements at this time.
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Hans-Otto Baral, 25-11-2023 10:30
Hans-Otto Baral
Re : Pezicula sp. on Pyrularia pubera - North Carolina, USA
I remember to have seen in Pezicula such redbrown granules extruding from the hymenium (paraphyses) when adding Lugol. I assume you used Melzer. Important would be to check a KOH-pretreated probe with MLZ to see the deep blue apical rings (hemiamyloidity!).

For a species name I can say nothing.
Danny Newman, 25-11-2023 17:30
Danny Newman
Re : Pezicula sp. on Pyrularia pubera - North Carolina, USA
Zotto,

Thank you for the reply.  I use Lugol's when working with discomycetes whenever possible, at your long ago instruction, this being no exception.  I made sure that a plentiful supply of it would be available for our participants to use at the Korf Foray and subsequence Purchase Knob AscoBlitz.  One of the same dropper bottles provided for those events was used in the preparation of this sample.
Hans-Otto Baral, 25-11-2023 20:34
Hans-Otto Baral
Re : Pezicula sp. on Pyrularia pubera - North Carolina, USA
Great! I concluded from the seemingly negative ascus apex that it must be Melzer. I only remember one species with inamyloid asci - not sure which it was. All others react pretty pure red but after KOH deep blue.