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29-03-2025 05:45

Sebastien Basso

Hello, I'm conducting a mycological inventory in

21-04-2025 10:52

Castillo Joseba Castillo Joseba

me mandan el material de Galicia (España), recole

18-04-2025 23:16

Robin Pétermann Robin Pétermann

Bonjour, Voici une probable Mollisia, genre que j

19-04-2025 20:48

Per Marstad Per Marstad

Dear Ascofrance. I have not posted pyrenos for a l

19-04-2025 18:58

Michel Hairaud Michel Hairaud

Bonjour,Je recherche l'article suivant :  ... K

19-04-2025 08:51

Henri Koskinen

Could you help me in the right direction with this

18-04-2025 21:54

Hartmut Schubert Hartmut Schubert

Hi Forum,I found this aquatic pyrenomycete a few d

16-04-2025 08:53

Josep Torres Josep Torres

Hello.An anamorph photographed under holm oaks thi

18-04-2025 17:13

Francois Guay Francois Guay

I found this interesting reddish Helotiales growin

18-04-2025 11:34

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia (España), r

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Ascobolus
Miguel Ángel Ribes, 23-10-2008 10:12
Miguel Ãngel RibesNo consigo encontrar un Ascobolus con estas medidas esporales tan grandes y con estas características macro. Tengo poca documentación sobre este género. Sobre estiercol de vaca. Color amarillo-verdoso, de 2-3 mm.

I don't find an Ascobolus with so big sporal measurements and this macro characters. I haven't enough information about this genus. Growing in cow dung. Yellow-green, 2-3 mm.

Medidas esporales / Sporal measurements:
38.4 [40.9 ; 41.5] 44 x 16.3 [17.8 ; 18.2] 19.7
Q = 2.1 [2.3 ; 2.3] 2.5 ; N = 86 ; C = 95%
Me = 41.24 x 18.03 ; Qe = 2.

Thanks,
  • message #5567
Miguel Ángel Ribes, 23-10-2008 10:16
Miguel Ãngel Ribes
Re:Ascobolus
Himenio, punta de las ascas y esporas. Himenial surface, asci apex and spores.
  • message #5568
Miguel Ángel Ribes, 23-10-2008 10:17
Miguel Ãngel Ribes
Re:Ascobolus
Esporas en agua a 1000x. Spores in water, at 1000x.
  • message #5569
Miguel Ángel Ribes, 23-10-2008 10:18
Miguel Ãngel Ribes
Re:Ascobolus
Otra de esporas. One spores more.
  • message #5570
Alain BRISSARD, 23-10-2008 11:08
Re:Ascobolus
Hello Miguel
Cela ressemble étrangement à Ascobolus furfuraceus bien que les spores soient plus grandes.
Personnellement j'ai trouvé pour les spores les tailles suivantes (23-25 x 11-13 µm)
amicales salutations
Miguel Ángel Ribes, 23-10-2008 22:52
Miguel Ãngel Ribes
Re:Ascobolus
Hi Alain

A friend of mine have "A world monograph of the genera Ascobolus and Saccobolus" where the sporal measurements for Ascobolus furfuraceus is 10-50 (90) x 10 - 30 (60) µm, so in this case it is better to follow the macro and another micro characters different to the sporal measurement.

Thank you,


Guy Garcia, 23-10-2008 23:22
Re:Ascobolus
Cher Miguel,

Les mensurations que tu indiques (extraites de la Monographie de Brummelen) correspondent aux cellules de l'excipulum !! Les mesures sporales sont : (16-) 19-28 (-32) x (9-) 10-14 (-16) µm.
Alain BRISSARD, 23-10-2008 23:26
Re:Ascobolus
Hello Miguel
Il existe également une autre espèce coprophile correspondant aux seuls caractères macro- et microscopiques fournis.
Il s'agit d'Ascobolus semivestitus Boud. (cf. p208 dans "Discomycètes de France" de L.J. Grelet où il est signalé que les spores oblongues-elliptiques d'un beau violet, ornées de stries longitudinales et pouvant souvent atteindre 45-50 x 18-24 µm à coté d'autres plus petites 25-30 x 13-14 µm).
Amicales salutations.
Miguel Ángel Ribes, 23-10-2008 23:46
Miguel Ãngel Ribes
Re:Ascobolus
Ups¡¡¡¡ Sorry Guy. I have read the keys very quick.

Thanks,
Miguel Ángel Ribes, 24-10-2008 00:27
Miguel Ãngel Ribes
Re:Ascobolus
Hi again Alain

I haven't that paper and no more information about A. semivestitus, only the one in the keys of A world monograph of the genera Ascobolus and Saccobolus, that says "Receptacle in the upper part smooth, yellowish-green, in the lowe part densely white-villose (not observed). Ascospores normally 25-30 x 13-14 µm, but also considerable larger 45-50 x 18-24 µm"

Could yo send me any more?

Thanks,