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06-05-2025 13:37

Thomas Flammer

Munk, Anders (1953). The System of the Pyrenomycet

08-05-2025 20:50

Andreas Jacob

Good evening, due to contstant drought I started

07-05-2025 18:29

Francois Guay Francois Guay

I found this small hyaline ascomycete on moist, de

08-05-2025 02:22

Francois Guay Francois Guay

I found this white, hairy ascomycete on the bark o

08-05-2025 18:32

Ethan Crenson

Hello all, I was looking at leaves of Yucca from

08-05-2025 08:59

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia, (España) , reco

07-05-2025 10:18

Thomas Flammer

I have found on Genistae sth. that looks like puli

05-05-2025 09:35

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Marie-Rose d'Angelo de la SociétÃ

06-05-2025 12:52

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España),  reco

06-05-2025 13:22

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España),  reco

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Scutellinia hyperborea?
Karl Soler Kinnerbäck, 12-03-2025 17:54
Hi all!
Do you agree with Scutellinia hyperborea?
Padjelanta national park, Sweden, alpine heath next to stream, 1000 m elevation, 2024-08.

Hairs 300-400 x 15-20, some bifurcated
Spores 17-18 x 16-18, fairly regularly ornamented with low warts
Measurements from dried material. Spores are smaller than in Schumachers description, otherwise I think it is a good fit.

Best regards
Karl
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Malcolm Greaves, 12-03-2025 23:08
Malcolm  Greaves
Re : Scutellinia hyperborea?
I would also compare with S minor
Lothar Krieglsteiner, 13-03-2025 19:56
Lothar Krieglsteiner
Re : Scutellinia hyperborea?
I also have a collection (from the Alps) which I am not sure if it is hyperborea or minor. What are the most important diagnostic differences?

Malcolm Greaves, 14-03-2025 12:28
Malcolm  Greaves
Re : Scutellinia hyperborea?
I think the major difference is that in S hyperborea the warts are generally smaller and have a much more uniform size. S minor has more unevenly sized warts spread over the spore surface. The few clear photos of the spores of this find look to fit better with this latter criteria.
Lothar Krieglsteiner, 14-03-2025 12:37
Lothar Krieglsteiner
Re : Scutellinia hyperborea?
thank you, Malcolm! This will help me when I take a closer look at my collection. Your contribution motivates me to do this quite soon :-)
Lothar Krieglsteiner, 14-03-2025 12:37
Lothar Krieglsteiner
Re : Scutellinia hyperborea?
thank you, Malcolm! This will help me when I take a closer look at my collection. Your contribution motivates me to do this quite soon :-)
Karl Soler Kinnerbäck, 14-03-2025 13:02
Re : Scutellinia hyperborea?
Hi Malcolm and Lothar!
Yes, as I also understood it the warts are somewhat higher and more heterogenous in minor. When I compared with literature I was almost certain it was hyperborea, but if you are leaning towards minor I will study the collection again. I will soon have better equipment and try some photo stacking. Thanks Malcolm

Best regards
Karl
Nicolas VAN VOOREN, 14-03-2025 16:56
Nicolas VAN VOOREN
Re : Scutellinia hyperborea?
I do not recognize S. minor on these pictures.
As a reminder, there is a key to European Scutellinia available here: https://doi.org/10.25664/KEY-0008
Malcolm Greaves, 15-03-2025 09:43
Malcolm  Greaves
Re : Scutellinia hyperborea?
Would your suggestion be hyperborea then Nicolas?