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08-12-2022 09:10

Stephen Mifsud Stephen Mifsud

Is there a specific Penicllium species like this g

11-12-2022 23:47

Patrice TANCHAUD

Bonsoir, récolte sur feuillu brûlé. Spores 4,5

06-12-2022 23:07

Mario Filippa

Hello,I think I have found Allophylaria nervicola

03-08-2021 12:15

Thorben Hülsewig

Hi there,yesterday i found a pyreno on a corylus n

10-12-2022 17:00

Stephen Mifsud Stephen Mifsud

Long time no see my tiny cute friend! On Cupressus

07-12-2022 20:44

Bernard Declercq Bernard Declercq

Hello,hereby another problematic coelomycete, this

03-12-2022 16:11

Bernard Declercq Bernard Declercq

Hi there,Collected in Belgium on twigs of Cytisus

07-12-2022 11:10

Patrice TANCHAUD

Bonjour, récolte réalisée sur bois de feuillu

13-09-2013 21:09

Ralph Vandiest Ralph Vandiest

Hello, Does anybody can give me a key of the genu

05-12-2022 10:43

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Un ami m'a envoyé ces p

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Hysterioid on Pinus bark
Juuso Äikäs, 14-03-2022 14:02
Yesterday I found some hysterioid fungi growing on bark of a dead, standing Pinus sylvestris tree.

The fruitbodies aren't in the best condition and must've developed last season. But there were spores to be found and some asci as well.

The spores have one septum and measure 27.8 - 32.7 × 8.8 - 9.5 µm. 

Actidium baccarinii is the best match I found, but it's spores shouldn't be nearly as big as these are. Maybe the large size is because of germination? Or is there some other alternative?
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  • message #72070
  • message #72070
Adam Polhorský, 14-03-2022 17:08
Re : Hysterioid on Pinus bark
Hi Juuso, I dont have a name for you but I think it is the same as http://ascofrance.com/search_forum/65795 and http://ascofrance.com/search_forum/41100
Björn Nordén, 14-03-2022 17:41
Re : Hysterioid on Pinus bark
Please check Poetschia buellioides
Juuso Äikäs, 14-03-2022 18:59
Re : Hysterioid on Pinus bark
Thanks a lot for the answers and links! 

That seems to be the right direction -- so this actually belongs to Patellariaceae.

I found a description of Poetschia buellioides (A reassessment of the genera referred to the family Patellariaceae (Ascomycota)), but it mentioned that that one grows on deciduous wood; although there appear to be sightings of it in GBIF from Pinus. Otherwise it seems to fit pretty well.
Björn Nordén, 14-03-2022 19:15
Re : Hysterioid on Pinus bark
Yes, it is common on Pinus bark.

Best regards

Björn
Juuso Äikäs, 14-03-2022 20:18
Re : Hysterioid on Pinus bark
Ok, good to know! This species and even the genus seems to be missing from the Finnish species list. Probably once again one of these common but rarely-if-ever reported cases.
Björn Nordén, 14-03-2022 20:57
Re : Hysterioid on Pinus bark
I have made a key to hysterioids in Fennoscandia in case you are interested.
Best
Juuso Äikäs, 14-03-2022 21:07
Re : Hysterioid on Pinus bark
Ah yes! I actually downloaded that last week from researchgate:

https://www.researchgate.net/publication/351561550_Key_to_hysterioid_fungi_on_bark_and_wood_in_Scandinavia

A very nice key. Somehow I just managed to miss this one...