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31-03-2026 21:18

Miguel Ãngel Ribes Miguel Ángel Ribes

Good evening. oes anyone have the original descrip

31-03-2026 20:57

Stefan Blaser

Hello everybody, I hope somebody can help me with

26-03-2026 15:31

Ãke Widgren Åke Widgren

Hello,I found this one in October last year, on r

31-03-2026 16:20

Mlcoch Patrik Mlcoch Patrik

Hello, Please about help with determination. On

31-03-2026 08:19

Bernard CLESSE Bernard CLESSE

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

30-03-2026 12:18

Sylvie Le Goff

BonjourRécolté sur la base de Pteridium aquilinu

30-03-2026 12:03

William Slosse William Slosse

Hello all,On 27/03/26, in Kraaiveld in Wingene (Be

25-03-2026 10:35

Hulda Caroline Holte

Hello,I collected this species growing on a dead b

28-03-2026 17:41

Louis DENY

Bonjour forum,Mollisia trouvée sur tige de Molini

30-03-2026 09:53

Yanick BOULANGER

BonjourVoici des petites fructifications poilues s

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Propolis sp. on Picea abies
Hulda Caroline Holte, 24-12-2025 17:08
Hello,

I have found this propoloid ascomycete on a dead branch, still attached to the living tree, of picea abies (in Norway). The apothecia are up to 1 mm diameter and are growing alongside lichens.


The ascospores are allantoid to ellipsoid and are filled with small guttules. The spore wall appears to be quite thick.


33,6-38,4 x (9,6) 10,4-12,8 µm


Me= 35,54 x 11,88 µm


Asci with croziers, measuring 172-182 x 24,6-32 µm (living) and 160-189,5 x 19,7 µm (dead). IKI-


The spores were measured in the living state from a spore print. All measurements were taken from fresh material in water.


Could this be Propolis hillmanniana?


Thank you in advance and best regards,


Hulda

  • message #84163
  • message #84163
  • message #84163
  • message #84163
  • message #84163
  • message #84163
Hans-Otto Baral, 24-12-2025 17:19
Hans-Otto Baral
Re : Propolis sp. on Picea abies
The micros clearly speak for this. Typical the large multiguttulate spores without large drops.
Hulda Caroline Holte, 24-12-2025 20:14
Re : Propolis sp. on Picea abies
Thank you very much!
Hans-Otto Baral, 25-12-2025 10:31
Hans-Otto Baral
Re : Propolis sp. on Picea abies
I wanted to mention your exemplary way of presentation, with separate living and dead measurements. Is it a very recent collection? May I know the collection date and location?
Hulda Caroline Holte, 25-12-2025 17:03
Re : Propolis sp. on Picea abies
Thank you. I collected the specimens on the 3rd of November, this year, in an area called Fagerfjell (municipality of Flesberg, Buskerud county). The altitude is approximately 585 m.a.s.l. The location is shady, close by a stream and has many old trees with low-hanging branches.
Hans-Otto Baral, 25-12-2025 17:34
Hans-Otto Baral
Re : Propolis sp. on Picea abies
Thanks!