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19-03-2026 18:25

William Slosse William Slosse

Good evening everyone, On 18/03/26 I found a few

19-03-2026 19:34

Filip Fuljer Filip Fuljer

Hello everyone,a few days ago I collected this str

17-03-2026 10:09

François Freléchoux François Freléchoux

Bonjour, Voici la description rapide d'un petit d

19-03-2026 15:58

Stefan Blaser

Hello everybody, I hope for some hints... Macro:

19-03-2026 17:50

Enrique Rubio Enrique Rubio

Hi to everybodyThese thiny, blackish pseudothecia

18-03-2026 13:09

Khomenko Igor Khomenko Igor

I recently examined Celtis occidentalis branches

17-03-2026 19:41

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Pourriez-vous m'aider à

18-03-2026 17:22

Katarina Pastircakova

Hi there,I'm looking for the following literature:

19-03-2026 10:56

Thomas Læssøe

https://svampe.databasen.org/observations/10505643

27-02-2026 11:21

Yannick Mourgues Yannick Mourgues

Hi to all. Here is a specie that can may be relat

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Large-spored Propolis on Populus tremula
Edvin Johannesen, 15-01-2021 18:27
Edvin Johannesen
Spores measuring (40-) 43-47 x 10-12 microns. Two large LBs and many small (occasionally one or two intermediate).  Is P. betulae the correct name for this? Or P. versicolor var. betulae?

Found in Central Norway, on aspen.

Thanks.
  • message #67101
  • message #67101
  • message #67101
Hans-Otto Baral, 15-01-2021 20:29
Hans-Otto Baral
Re : Large-spored Propolis on Populus tremula
Did you try my key in www.in-vivo-veritas.de?
Edvin Johannesen, 15-01-2021 20:42
Edvin Johannesen
Re : Large-spored Propolis on Populus tremula
Thanks for your reply.  Yes, and your key took me to P. (versicolor var.) betulae. However, only Quercus and Pinus are mentioned as substrate. P. betulae is not known from Norway, so I wonder if that is a name to be used or whether versicolor var. betulae is more appropriate.