Accès membres

Mot de passe perdu? S'inscrire

02-10-2025 09:16

Josep Torres Josep Torres

Hello.Some tiny apothecia sprouting in a scattered

01-10-2025 20:16

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,I would appreciate your opinion on this yell

01-10-2025 19:47

Philippe PELLICIER

Un parasite sur les feuilles de graminées qui for

30-09-2025 20:23

Rot Bojan

Hello!I'm asking for your opinion. I think it's an

30-09-2025 22:08

Philippe PELLICIER

Bonjour, cette Otidea de petite taille de 1-2 cm c

29-09-2025 10:59

Jean-Luc Ranger

Bonjour,  Je ne sais trop où chercher ce champi

28-09-2025 12:30

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello, this fungus nicely fits Lasiosphaeris hirsu

26-09-2025 23:41

Lieve Deceuninck Lieve Deceuninck

Bonjour members du forum. Merci d'avance pour tout

24-10-2024 14:39

Jean-Luc Ranger

Bonjour à tous,Découvert sur un terrain calcaire

26-09-2025 15:51

Jean-Luc Ranger

Bonjour, voici un ascome poussant sur crotte de la

« < 1 2 3 4 5 > »
Black balls on Ulex
Enrique Rubio, 19-01-2022 10:25
Enrique RubioHi Forum
The ascomata of this fungus grew on corticated wood of Ulex europaeus, making cleistothecia (apparently non-ostiolate), blackish-brown, up to 0.5 mm in diameter, erumpent, isolated or coalescent and more or less spherical. The evanescent asci are claviform, pedicellate and contain (2-3-)4 dark brown spores with an apical pore, probably also monosporic since some excessively large spores may be seen.
At the end, the contents of the ascomata are powdery and consisting of a large cluster of spores and the asci disappear.
I wonder if this fungus could be well accommodated in the monospecific genus Boothiella, although it is different from Boothiella tetraspora, with larger cylindrical asci and larger and different spores.
Many thanks in advance for your opinions.
  • message #71473
  • message #71473
  • message #71473
David Malloch, 19-01-2022 15:21
David Malloch
Re : Black balls on Ulex
The spores immediately remind me of Copromyces bisporus N. Lindq. However, that species has two-spored asci and grows on dung. Maybe a related species?
David Malloch, 19-01-2022 15:31
David Malloch
Re : Black balls on Ulex
I worked on cleistothecial fungi for my Ph.D. about 50 years ago. Here is a plate I prepared for Copromyces and similar things. http://website.nbm-mnb.ca/mycologywebpages/EssaysOnFungi/Cleistothecial_Ascomycota/Cleistothecial_Ascomycota-Plate04.html. The comments are more recent.
Enrique Rubio, 19-01-2022 16:26
Enrique Rubio
Re : Black balls on Ulex
Thanks a lot, David.