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20-06-2025 08:33

Ascomycete on a herbaceous stem.
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Hello.Small, blackish, mucronated surface grains s

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me mandan el material seco de Galicia (España) 

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me mandas el material seco de Galicia (España) re

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I found this interesting yellowish asco growing on

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Help with a Pleosporal.
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hymenoscyphus albidus
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Searching of a paper from The Mycologist
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Hello, bonjour.Here is the paper I'm searching for

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Septoria on Impatiens glandulifera
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Please can anyone tell me the species name of the

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Pilobolus
Malcolm Greaves, 28-07-2018 18:01
Malcolm Greaves
As it is not an Asco I was not going to post this find but after the discussion about the Pilobolus klenii/oedipus I thought those people who followed that thread might also be interested in this.

Pilobolus heterosporus is described in many of the papers on the group. In most they describe the spores as ellipsoid and almost identical to P klenii but with a greater variation in their size. One says that they are ellipsoid to subglosbose but shows a picture with none of them subglosgose and one describes and shows them with uneven shape and size.

I found this on deer dung and it is a perfect fit for the last of the above descriptions.

I am recording it as P heterosporus but with so many differing interpretations it makes life difficult.

Mal
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Castillo Joseba, 28-07-2018 18:17
Castillo Joseba
Re : Pilobolus
En el Indez Fungorun,veo que se da 3 nombres parala misma especie....  creo que  es un lio


Pilobolus oedipus Mont. 1826, (also see Species Fungorum: Pilobolus oedipus); Pilobolaceae
Pilobolus oedipus L. Klein 1872, (also see Species Fungorum: Pilobolus kleinii); Pilobolaceae
Pilobolus oedipus Bref. 1881, (also see Species Fungorum: Pilobolus lentiger); Pilobolaceae


Saludos

Joseba
Michel Delpont, 28-07-2018 20:41
Michel Delpont
Re : Pilobolus
Good evening Malcolm.

Totally agree with you; the large variety of size and shape of spores sometimes pose problems to arrive at a correct determination. In my opinion, we must observe many and often to better understand this difficulty.


Michel.