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25-05-2026 16:35

Anamorphe d'Hypomyces aurantius ? sous saule cendré (Salix cinerea)
Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,J'ai trouvé récemment,

29-05-2026 15:35

Fusarium sur Robinier
daniel FERRE

Bonjour à tous,Je voudrais votre aide pour cette

28-05-2026 16:15

Literature request: Caloscypha fulgens f. caesioalba
James Mitchell

Hello,Does anyone have the original publication of

28-05-2026 11:06

Stictidaceae (?) on Typha latifolia - short-spored, I+ - Denmark
Thomas Læssøe

https://svampe.databasen.org/observations/10596750

23-05-2026 11:44

Coprophilous pyrenomycete wild boar dung
Charles Grapinet Charles Grapinet

Hello, I am having trouble identifying this copro

25-05-2026 16:44

Ascomata under epidermis Carex
François Bartholomeeusen

Hi forum members,During an excursion organised by

26-05-2026 21:25

small ascomycetes on Quercus sp.
Dirk Gerstner

Hello everyone, I'm completely stumped by this li

26-05-2026 22:44

Incrucipulum capitatum ?
Ethan Crenson

Hi all, I think I have Incrucipulum capitatum her

22-05-2026 14:44

minute Saccobolus from cow-dung (moist chamber from Portugal)
Lothar Krieglsteiner Lothar Krieglsteiner

in unripe condition citrine yellow, then soon fadi

22-05-2026 13:29

Pseudophacidium ?necans on Vaccinium myrtillus
Gernot Friebes

Hi,I am curious to hear your opinion on this mater

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Rutstroemia ?
Patrice TANCHAUD, 27-10-2015 12:16
Bonjour,

récolte réalisée sur une branchette (je crois) au sol, sur un chemin en forêt de feuillus. Apothécie 3 mm. Asques 140 µm en moyenne, spores 15-17,5 x 4,5-5,5 µm.
I see Rutstroemia ulmariae ... ou serait-ce tout simplement R. firma ?
Merci d'avance pour vos avis, j'ai une seule apothécie, je n'ai pas encore regardé la textura.

Harvesting on a twig (I think) on the ground, on a deciduous forest on the way. Apothecium 3 mm. Asci 140 µm on average, spores 15-17,5 x 4,5-5,5 µm.
I see Rutstroemia ulmariae ... or is it simply R. firma ?
Thank you in advance for your advice, I have one apothecium, I have not watched the textura.

Patrice
Hans-Otto Baral, 27-10-2015 12:49
Hans-Otto Baral
Re : Rutstroemia ?
The twig looks to me like Quercus, can it be? You should see that when looking at the pores of the wood.

R. firma has either straight or curved spores, I never understood why.
Patrice TANCHAUD, 27-10-2015 13:13
Re : Rutstroemia ?
Quercus is possible where I was. Straight or curved spores for R. firma, then this is perfect, but if you do not know why, me neither ...
Thanks very much.

Patrice