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21-04-2026 13:36

Gernot Friebes

Hi,I am out of ideas for this one. I collected Sal

21-04-2026 13:19

Gernot Friebes

Hi,this Lophodermium on Typha has ascospores measu

21-04-2026 13:05

Gernot Friebes

Hi,this hyphomycete feels familiar but I was not a

20-04-2026 22:00

Malcolm  Greaves Malcolm Greaves

These pale yellow, hairy ascos were growing on cul

19-04-2026 21:23

Steve Clements

Bonjour, I found this anamorphic fungus on old pl

19-04-2026 20:46

Steve Clements

1 mm diameter approx spherical conidiophores on pl

12-04-2026 17:56

Hardware Tony Hardware Tony

Found on dead stems in February earlier this year

17-04-2026 19:16

Enrique Rubio Enrique Rubio

Hi to everybodyI would appreciate any assistance r

14-04-2026 05:32

Ethan Crenson

Hi all, A few weeks back a friend pointed out som

17-04-2026 15:14

Bruno Coué Bruno Coué

Bonjour.Récoltes du 16/04/2026, sur feuilles mort

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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