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25-02-2023 18:36

Elisabeth Stöckli

Bonsoir, Trouvé sur un tronc de Salix recouvert

05-07-2025 12:38

Åge Oterhals

I found this pyrenomycetous fungi in pine forest o

01-06-2025 09:37

Charles Aron Charles Aron

Hi All, I found this Octospora growing with liver

06-07-2025 19:36

Castillo Joseba Castillo Joseba

me mandan el material de Galicia (España) recolec

07-07-2025 19:22

David Chapados David Chapados

Hi,Does anyone know what could this anamorph be?ht

02-07-2025 18:45

Elisabeth Stöckli

Bonsoir,Sur feuilles d'Osmunda regalis (Saulaie),

04-07-2025 20:12

Josep Torres Josep Torres

Hello.A fungus growing on the surface of a trunk o

20-06-2025 08:33

Josep Torres Josep Torres

Hello.Small, blackish, mucronated surface grains s

28-06-2025 16:00

Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

04-07-2025 12:43

Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

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Eutypella sp. - 298752
Danny Newman, 15-11-2017 23:50
Danny Newmannote cruciate/sulcate ostiolar necks.

paraphyses (?) very, very long and slender, seemingly filled with refractive/oily contents; asci with tiny amyloid apical apparatus; spores small, biguttulate, cylindrical to curved-cylindrical to very narrowly ellipsoid.


Spores (some measurements taken from inside asci):


(5.1) 5.6 – 7.4 (8) × (1.5) 1.6 – 2.1 (2.4) µm
Q = (2.4) 2.7 – 4.2 (4.6) ; N = 25
Me = 6.5 × 1.9 µm ; Qe = 3.5


6.93 1.49
5.82 1.84
6.71 1.59
7.27 1.80
6.17 1.97
7.39 1.68
7.26 1.89
5.76 2.39
6.24 1.82
5.62 1.47
6.17 1.87
7.50 1.82
6.20 1.91
5.84 2.01
7.73 2.40
5.08 2.13
6.40 1.60
6.18 1.79
7.20 1.95
5.62 2.06
5.64 1.49
6.91 2.02
5.31 1.71
6.32 1.62
7.41 2.28
0.00 1.86
8.00 0.00
0.00 1.75
7.20 0.00


Substrate: bark of fallen beech log (Fagus grandifolia)


Habitat: mixed forest (oak, maple, beech, birch, white pine & eastern hemlock) with vernal pools, south/southwest of water feature (Mad River) surrounded by suburban development


Ecoregion: Eastern Great Lakes Lowland Forest (NA0407)


Collectors: D. Newman & P. DeSanto


also seen at:

https://www.facebook.com/groups/AscomycetesOfNorthAmerica/permalink/539799003024256/
http://mushroomobserver.org/298752


NOTE: I cannot shrink my images down to 150KB to be uploaded here. they may be viewed at either of the two above links.

Jacques Fournier, 16-11-2017 19:36
Jacques Fournier
Re : Eutypella sp. - 298752
Hi Danny,
not an Eutypella, a genus in which perithecia are in valsoid configuration, in small groups with converging necks.
You should consider Eutypa spinosa, common on beech bark in Europe but I guess you also have it in North America.
Best,
Jacques
Danny Newman, 25-11-2017 05:21
Danny Newman
Re : Eutypella sp. - 298752
Thank you Mr. Fournier.  Your ID agrees with the one received on Facebook, and has been applied to the Mushroom Observer post.