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19-11-2025 13:04

Bruno Coué Bruno Coué

Bonjour,je  sollicite votre avis pour la récote

18-11-2025 18:26

David Malloch David Malloch

I am trying to locate the article, Müller, E. 195

16-11-2025 21:09

Robin Isaksson Robin Isaksson

Anyone recognize this acc. to pictures.? Found on

18-11-2025 13:59

Nogueira Héctor

November 14, 2025 Brazuelo (León) SPAIN Hymenosc

17-11-2025 19:14

herman lambert

Apothécie discoïde 0.6 cm diam., orangeFace hymÃ

17-11-2025 21:57

Philippe PELLICIER

Bonjour,Récolté sur bois de feuillu mort dur, no

17-11-2025 21:46

Philippe PELLICIER

Bonjour,Récolté sur bois pourrissant de feuillu

14-11-2025 16:26

Marian Jagers Marian Jagers

Hello everyone, On dead wood of Cytisus scoparius

15-11-2025 23:22

Mario Filippa

Hello,this is what I think to be Hymenoscyphus mac

15-11-2025 20:25

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde, Nov. 2025

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Help identification: is this spore a spore of Puccinia ?
Yannick Miras, 19-11-2020 15:38
Dear Colleagues,
May you help me in order to know if this fungal spore is Puccinia? If yes, do you think possible to know which species of Puccinia it can be?
I really thank you for your help.
Best wishes
Yannick
  • message #66038
Björn Sothmann, 19-11-2020 15:58
Björn Sothmann
Re : Help identification: is this spore a spore of Puccinia ?
Hi Yannick,

it could be a uredospore of a rust fungus. Unfortunately, it is not even possible to identify this to genus level though. It could be Puccinia, Uromyces...

When it comes to rust ID, the first step is to identify the host plant. Once this is done, there are usually only a few or even just one rust species left and identification becomes feasible on most cases. If you just found a single spore in one of your preparations, there is no chance of identification, unfortunately.

Björn
Yannick Miras, 20-11-2020 14:46
Re : Help identification: is this spore a spore of Puccinia ?
Hi Björn,Thank you very much for your answer. It will be unfortunately impossible to identfy the plant host. These spores come indeed from a lacustrine core I am currently studying. I am palynologist. But I will investigate the rust fungi. Thanks again. Best wishes
Yannick