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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

14-07-2025 11:20

Michel Hairaud Michel Hairaud

Bonjour, Voici une espèce de  (?) Hyaloscyphace

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

14-07-2025 15:52

Gernot Friebes

Hi,I wanted to share this collection on Rubus idae

14-07-2025 13:37

Gernot Friebes

Hi,do you think this collection could be R. ulmari

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Pyreno on Arundo donax with apiospores and hemiamyloid asci
Enrique Rubio, 28-03-2016 20:42
Enrique RubioHi to everybody

Looking for fungi on Arundo donax I have found these very small roundish, blackish, inmersed perithecia up to 100-120 microns, more or less arranged in rows and covered by a melanised periderm on dead leaves lying on the ground. Only protruding the roundish papillate necks. The shortly stipitate asci have a conspicuous refractive apical hemiamyloid apparatus (deep blue after KOH-pret.) and hyaline apiospores.


I feel this fungus might belong, or to be near to the genus Pseudomassaria, or into the Diaporthales?.


Have you some idea for help me?


Many thanks in advance


The collection was made at the Botanical Garden of Gijón (north of Spain), at the sea level

  • message #41833
  • message #41833
  • message #41833
Jacques Fournier, 28-03-2016 22:46
Jacques Fournier
Re : Pyreno on Arundo donax with apiospores and hemiamyloid asci
Hola Enrique,
why was I sure you were currently scrutinizing Arundo donax?
Your fungus is very distinctive, I agree with you about Pseudomassaria, or more likely Leiosphaerella because of the very small perithecia.
Did you check Jaklitsch & Voglmayr 2012, Fungal Diversity 52: 75-98? There is not your fungus but sound information on the generic delimitation.
Good luck with your search!

Jacques
Hermann Voglmayr, 28-03-2016 23:24
Hermann Voglmayr
Re : Pyreno on Arundo donax with apiospores and hemiamyloid asci
Hi Enrique, on Arundo, check for Apiospora montagnei or A. striola...
All best Hermann
Enrique Rubio, 29-03-2016 01:44
Enrique Rubio
Re : Pyreno on Arundo donax with apiospores and hemiamyloid asci

Hi Jacques and Hermann. Thank you for help me. Yes, I had read this paper and, as you say me, maybe Leiosphaerella could be a good genus for it, but I must to search more information about it....Yes, I was not lucky with your fungus on Arundo but I will insist. 


Hermann, my first impression was Apiospora montagnei but I think this genus lacks and apical apparatus at the asci (Hyde & al, Sydowia 50(1): 21-80) and for it I rejected this possibility.