12-02-2026 21:34
patrice CallardBonjour, la face inférieure des feuilles ce certa
11-02-2026 22:15
William Slosse
Today, February 11, 2026, we found the following R
12-02-2026 14:55
Thomas Læssøehttps://svampe.databasen.org/observations/10581810
11-02-2026 19:28
Lothar Krieglsteiner
on small deciduous twig on the ground in forest wi
25-04-2025 17:24
Stefan BlaserHi everybody, This collection was collected by JÃ
10-02-2026 17:42
Bernard CLESSE
Bonjour à toutes et tous,Pourriez-vous me donner
10-02-2026 18:54
Erik Van DijkDoes anyone has an idea what fungus species this m
09-02-2026 20:10
Lothar Krieglsteiner
The first 6 tables show surely one species with 2
09-02-2026 14:46
Anna KlosGoedemiddag, Op donderdag 5 februari vonden we ti
J'ai trouvé hier, dans un xérobrometum (pelouse calcicole xérique) ce Geopora, semi-hypogé, dans un microsol de 1cm de profondeur.L'apothécie, très fermée, mesure 7 mm de diamètre et l'ouverture de celle-ci a 2 mm.
En ouvrant l'apothécie pour prendre de l'hyménium, quelle ne fut pas ma surprise de voir des petites vésicules. Vésicules qui s'avèrent être des périthèces de Melanospora apparemment.
Que pensez-vous de ce Geopora et ce Melanospora ?
Bernard
Maybe someone has a pdf of the following article:
Kers, L.E. (1974) - The Swedish Geoporae and their Pyrenomycete Infections. Svensk Botanisk Tidskrift 68: 344-354.
If nobody else has it I can scan it for you and send it tomorrow.
The parasite is indeed most likely a Melanospora species.Â
Seems to be close to M. brevirostris, spores 25-31 x 13-17 (en face) x 12-14 (lateral view).
Host here was Geopora arenicola.
Best,
Ron
Bets regards,
Bernard
Bernard
Bernard
Kers describes one species M. geoporae, but with spores 28-30 x 13-16.
I will scan the article and send it to your private mail.
A very interesting find, I never found these paraites on Geopora.
Best,
Ron
I have that article, sent to both of you.
Viktorie
Hi Viktorie,
could I have the file, too?
Thanks and best regards, Lothar
Michel.
http://ascofrance.fr/uploads/forum_file/Kers-1974-0001.pdf
cheers
Martin
Amitiés
Michel
in my opinion could be the mushroom Melanospora brevirostris, only not ripely. On the last macrophoto one recognizes that some ascomata study a short neck and a few have already studied the dark spores.
The ascomata on my first photo are full-ripe, the host is Geopora/Sepultaria arenicola. Unfortunately, in addition I do not have microphotos.
Here still a screen sequence of Melanospora episphaeria on Hypomyces cf. rosellus. About this species there is surely little informations.
Literature:
CANNON (1982): A re-evaluation of MELANOSPORA Corda and similar Pyrenomycetes....
GARCIA et al. (2004): Two new species of SPHAERODES from Spanish soils
YAO et al. (2007): SPHAERODES in China
GUARRO et al. (2012): Atlas of Soil Ascomycetes
I have the first three documents as PDF.
Greetings Peter.
i am interesting in the paper of Canon 1982. I found Melanospora brevirostris on leporid dung collected in de dunes of De Panne. In this dunes I found also serveral times Geopora arenicola but i had never attention for parasites. You can send  it to my mail jacky@launoy.be
Michel.
Best regards,
Bernard