Accès membres

Mot de passe perdu? S'inscrire

18-08-2025 15:07

Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

02-02-2026 09:29

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pour cette récolte de 2

01-02-2026 19:29

Nicolas Suberbielle Nicolas Suberbielle

Bonjour, Marie-Rose D'Angelo (Société Mycologiq

30-01-2026 22:49

éric ROMERO éric ROMERO

Bonjour tous, Récolté dans les Vosges le 22/10/

31-01-2026 09:17

Marc Detollenaere Marc Detollenaere

Dear Forum,On decorticated wood of Castanea,I foun

29-08-2025 05:16

Francois Guay Francois Guay

I think I may have found the teleomorph of Dendros

« < 1 2 3 4 5 > »
Two collections of yellowish discs on bare ground
Pol Debaenst, 18-12-2025 21:17
The identification took me to Byssonectria deformis (syn. Kotlabaea deformis), but compairing with L. Hansen & Knudsen (2000) the spores seem a little to big en de paraphyses apex to small.

Cf. Byssonectria deformis ?


Collection 1, 10/12/2025
Seven specimen
Garden, Burgweg 19, Veurne Belgium
On bare ground
Macroscopie
? Apothecia: pale yellow to cream collared, disc-shaped, with smooth margin, not discolouring when touched/damaged, without subiculum, 2-4 mm Ø
Microscopie
? Asci: cylindrical, operculate, J-, 171,5-196 x 9,8-13(-13,3) µm
? Sporen: hyaline, ellipsoid, lead, multi-guttulate, 14-16,6(-18) x 7,5-10,5 µm, Me = 15,48 x 8,58 µm, N = 10, Q = 1,80
? Parafysen: hyaline, cylindrical/filiform, 1,8-2,2 µm Ø, narrow clavate at the apex up to 4 µm Ø, with straight to curved apex


Collection 2, 17/12/2025
Twenty specimen
? Sporen: hyaline, ellipsoid, smooth, multi-guttulate, 14-17,5(-18,2) x 7,5-10,5 µm, Me = 16,15 x 9,14 µm, N = 12, Q = 1,76
? Parafyses: hyaline, cylindrical/filiform, 1,5-2 µm Ø, narrow clavate at the apex up to 3,5 µm Ø, with straight to curved apex


Any help for determination will be appreciated.

  • message #84099
Enrique Rubio, 18-12-2025 21:42
Enrique Rubio
Re : Two collections of yellowish discs on bare ground
Hi Paul
Boubovia ovalispora?
Pol Debaenst, 19-12-2025 21:26
Re : Two collections of yellowish discs on bare ground
Hello Enrique,

Thanks for your proposal and maybe/probably you are right but on "https://svampe.databasen.org/observations/10208492" the spores of B. ovalispora are ellipsoid, smooth, multiguttulate and measure 12,6-13,2 x 7,6-8,4 µm, which is shorter than 14-16,6(-18) x 7,5-10,5 µm in my found. That makes me a bit doubtful.

I would be grateful to recieve a key of the genus Boubovia.
pol.debaenst@msn.com

  • message #84109
  • message #84109
  • message #84109
  • message #84109
Enrique Rubio, 20-12-2025 00:26
Enrique Rubio
Re : Two collections of yellowish discs on bare ground
Michel Hairaud, 20-12-2025 11:28
Michel Hairaud
Re : Two collections of yellowish discs on bare ground
Hi Pol,
I remember that you lately posted Pictures of Pseudopithyella minuscula. 
In our area (Center west of France) it is often collected with Pesudoboubobia benkertii. Some features of your collection would match but for the substrate . P. benkertii lies on woodchips or dead leaves of Cupressus macrocarpa. 

Amitiés. Michel
Enrique Rubio, 20-12-2025 11:59
Enrique Rubio
Re : Two collections of yellowish discs on bare ground
That could certainly be a good solution, Michel.
Pol Debaenst, 27-12-2025 11:18
Re : Two collections of yellowish discs on bare ground
Hi Michel,
Thank you very much for the identification. In my garden it was also found nearby Pseudopithyella minuscula.
Kind regards and happy new year.
Pol