Notes:
Code: Bot_935/2016_DSC0440

Habitat: mixed wood, Fagus sylvatica, Picea abies and Ostrya carpinifolia dominant trees; steep mountain slope, south aspect; shallow, skeletal, calcareous ground; dry and sunny place;
exposed to direct rain; average precipitations ~ 3.000 mm/year, average temperature 6-8 deg C, elevation 880 m (2.900 feet), alpine phytogeographical region.

Substratum: dead, rotten but still standing Fagus sylvatica trunk and branches mostly still in bark.

Place: Vrsnik valley, next to the trail from ‘Pod Vršičem’ place to settlement ‘Na skali’, just below the chapel of Marija Snežna, East Julian Alps, Posočje, Slovenia EC.

Comments: Ostioles are rather small and inconspicuous. Spots of this observation were from about 5 mm in diameter to 10 × 2.5 cm large patches and about 1 mm thick. Perithecia have in average 0.7 × 0.55 mm in diameter.

Nikon D700/Nikkor Micro 105mm/f2.8

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85% (1)
Used references: (1) J. Breitenbach, F. Kraenzlin, Eds., Fungi of Switzerland, Vol.1. Verlag Mykologia (1984), p 270.
(2) R. Phillips, Mushrooms, Macmillan (2006), p 376.
(3) L. Hagar, Ottova Encyklopedia Húb, Ottova Nakladatelstvi, Praha (2015) (in Slovakian), p 129.
Based on microscopic features: Spores smooth, dark. Dimensions: 10,5 [12,1 ; 12,8] 14,4 × 6,4 [7,3 ; 7,8] 8,7 microns; Q = 1,3 [1,6 ; 1,7] 2; N = 25; C = 95%; Me = 12,4 × 7,5 microns; Qe = 1,7. Perithecia dimensions: 592.3 [681.9 ; 744.4] 834.1 × 373.4 [514.6 ; 613] 754.3 microns; Q = 0.9 [1.2 ; 1.4] 1.7; N = 15; C = 95%; Me = 713.2 × 563.8 microns; Qe = 1.3.Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil, in water, fresh material. AmScope MA500 digital camera.

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