22-04-2026 01:06
Richard VALERI
Bonjour à tous.Je vous présente cette Nectria s.
21-04-2026 22:14
Margot en Geert VullingsThis cup fungus was found on April 10, 2026, on lo
21-04-2026 13:36
Gernot FriebesHi,I am out of ideas for this one. I collected Sal
21-04-2026 13:19
Gernot FriebesHi,this Lophodermium on Typha has ascospores measu
21-04-2026 13:05
Gernot FriebesHi,this hyphomycete feels familiar but I was not a
20-04-2026 22:00
Malcolm Greaves
These pale yellow, hairy ascos were growing on cul
19-04-2026 21:23
Steve ClementsBonjour, I found this anamorphic fungus on old pl
19-04-2026 20:46
Steve Clements1 mm diameter approx spherical conidiophores on pl
12-04-2026 17:56
Hardware Tony
Found on dead stems in February earlier this year
X. rhopaloides
Menno Boomsluiter,
01-03-2021 17:01
I was wondering, if any, what the status of Xylaria rhopaloides is in Europe.
It is not present in the key by mr. Fournier. Maybe he can shed light on it.
The species is present in the book of Bertault.
Greetings,
Menno
Jacques Fournier,
01-03-2021 20:23
Re : X. rhopaloides
Hi Menno,
if I were you, I would forget about Bertault and his crappy species concepts.
X. rhopaloides is an ill-defined an dubious tropical or subtropical species, variously interpreted, referred to X. curta by Dennis, to X. castorea by Ju & Rogers.
However, if you found something in your region recalling X. rhopaloides sensu Bertault, please show it on the forum, with details on surface anatomy and ascospore morphology.
Cheers,
Jacques
Menno Boomsluiter,
10-03-2021 19:28
Re : X. rhopaloides
Hello Jacques,
Thank for your clear answer.
I was asked to confirm a find of X. rhopaloides. In the abcense of any accessible key I started wondering whether this species excisted in Europe at all. The before mentioned collection brought me straight to X. hypoxylon thsmks to your excellent key.
Spores:(9,9) 10,6 - 11,9 (14) × (3,8) 4,4 - 5,1 (5,3) µm
Q = (2) 2,2 - 2,6 (2,8) ; N = 15
Me = 11,3 × 4,7 µm ; Qe = 2,4
Q = (2) 2,2 - 2,6 (2,8) ; N = 15
Me = 11,3 × 4,7 µm ; Qe = 2,4
I sent you two photo's no1 the collection which I have keyed out as X. hypoxylon.
no2. a collection presumed to be X. rhopaloides.
Thank you very much for your help
