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12-11-2025 21:47

ruiz Jose

Hola a todos, me envían esta colección en resto

12-11-2025 09:25

Viktorie Halasu Viktorie Halasu

Hello, I need help with a pale terrestric Pseudom

11-11-2025 20:16

Bohan Jia

Hi, lastly I have found these tiny yellow decayin

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

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White mould on Bolete (Xerocomus sp.)
Stephen Martin Mifsud, 28-11-2017 10:16
Stephen Martin Mifsud
Hi, I collected some specimens of Xerocomus which were partly and not abundantly infected by a white mould. I expected Hypomyces chrysospermum but when I checked it under the microscope I found a very peculiar morphology. The reproductive parts consisted of a large, bullet-shaped organ encapsulated by some thick wall subtended by a springy and curve conidiophore. 

Any ideas to the genus ?

I searched on the keys/pictorials of ID of Moulds Website and nothing compared

 http://website.nbm-mnb.ca/mycologywebpages/Moulds/Identification.html
  • message #51369
  • message #51369
  • message #51369
Stephen Martin Mifsud, 28-11-2017 10:35
Stephen Martin Mifsud
Re : White mould on Bolete (Xerocomus sp.)
Photo of mould on host in situ.

  • message #51370