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09-11-2025 13:20

Josep Torres Josep Torres

Hello.A tiny ascomycete, appearing as erupting gra

08-11-2025 12:10

Elisabeth Stöckli

Bonjour, Trouvé sur tiges mortes de Rubus (ronce

08-11-2025 00:29

Francois Guay Francois Guay

I found this species in Quebec, Canada, on herbace

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

08-11-2025 09:15

Michel Hairaud Michel Hairaud

Bonjour, Pouvez vous m'aider à identifier ce Mol

06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

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Byssonectria ?
Vasileios Kaounas, 20-11-2022 07:59
Vasileios Kaounas
Found in Robinia pseudoacacia.

Diameter 1-2 mm.

Spores (8.7) 9.5 - 11 (11.4) × (4.8) 4.9 - 5.8 (6.2) µm
Q = (1.6) 1.8 - 2.1 (2.2) ; N = 30
Me = 10.2 × 5.3 µm ; Qe = 1.9
  • message #74401
  • message #74401
Uwe Lindemann, 20-11-2022 21:55
Uwe Lindemann
Re : Byssonectria ?
Hi Bill,
I don't think that it is an operculate discomycete. The (septate) ascospores remind me more of something of the Nectriaceae. Have you test the asci in iodine? Is there perhaps an apical apparatus?
Best, Uwe
Lothar Krieglsteiner, 21-11-2022 08:31
Lothar Krieglsteiner
Re : Byssonectria ?
maybe Hydropisphaera?
Yours, Lothar