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Massariosphaeria on Fagus?
Amadej Trnkoczy,
18-04-2017 18:03
Hi 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
________________________________
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.
