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30-03-2026 12:03

William Slosse William Slosse

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

30-03-2026 12:18

Sylvie Le Goff

BonjourRécolté sur la base de Pteridium aquilinu

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

27-03-2026 10:47

Ã…ge Oterhals

I have tentatively identified this Stictis to S. f

28-03-2026 07:55

Marc Detollenaere Marc Detollenaere

Hello everybody,Yesterday I found a number of whit

26-03-2026 15:31

Ã…ke Widgren Ã…ke Widgren

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

27-03-2026 15:23

Gernot Friebes

Hi,this Trichopezizella deviates from typical T. b

27-03-2026 15:08

Gernot Friebes

Hi,I'm looking for help with this coelomycete on C

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Massariosphaeria on Fagus?
Amadej Trnkoczy, 18-04-2017 18:03
Amadej TrnkoczyHi to everyone,

Does this asco possibly belong to Massariosphaeria? Purple-red staining of wood, perithecia and septated spores somehow fit. However, substratum, relatively small spores and too few septa (compared to the descriptions of species I was able to find online) prevent me to find a reasonable fit to any species. Or it is something completely different? Any advice where to search or hepl in determination is gratefully appreciated.

Amadej Trnkoczy
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Date: April 5. 2017
Place: Lower Trenta valley, East Julian Alps, Slovenia
Habitat: scree slopes, southeast aspect; open, sunny, dry place; calcareous ground; exposed to direct rain; elevation 680m; average temperature 7-9 deg C, average precipitations ~3.000 mm/year; alpine phytogeographical region.
Substratum: dead, rotten trunk of Fagus sylvatica lying on ground.
Microscopy: Spores smooth, septated; from 3 to 7 septa, AVG = 4.5, SD = 0.9, N = 80. Dimensions: 19,4 [24,5 ; 26,5] 31,6 x 5,2 [6 ; 6,3] 7,1 microns; Q = 3,1 [4 ; 4,4] 5,2; N = 40; C = 95%; Me = 25,5 x 6,1 microns; Qe = 4,2.
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