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14-11-2025 16:26

Marian Jagers Marian Jagers

Hello everyone, On dead wood of Cytisus scoparius

14-11-2025 18:31

Lothar Krieglsteiner Lothar Krieglsteiner

Hello,can somebody provide me with a file of:Rothe

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

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Orbilia
Yannick Mourgues, 18-11-2019 00:03
Yannick Mourgues
Bonsoir.

A friend of mine has transmetted to me pictures of an Orbilia for ID. But with informations he has given to me, I don't know...

Data :

 

Ascus without croziers, apex rounded sometimes truncated. x8 spored.

Spores ovoides 3,7-4 x 1,5-2,1 um   Q=1,8-2,5

Spores with a black point (guttule ?) at one end. The first four black points are directed to the base, the four to the apex.

Paraphyses capitate.

Any Idea ?
  • message #60062
  • message #60062
  • message #60062
Hans-Otto Baral, 18-11-2019 08:53
Hans-Otto Baral
Re : Orbilia
This looks much like the common O. tremulae. Earlier I would have said O. eucalypti, but O. tremulae differs in smaller spores not exceeding 4 x 2 µm, and often yellowish apothecia, together with a lack of drought-tolerance (growing on moist wood on the ground). Genetically it is very distant from O. eucalypti. Its anamorph also differs and matches morphologically Dicranidion inaequale.
Yannick Mourgues, 18-11-2019 09:21
Yannick Mourgues
Re : Orbilia
Thank's a lot Zotto.

Yannick