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Image of Hypoxylon petriniae M. Stadler & J. Fourn. 2004

Image of Hypoxylon petriniae M. Stadler & J. Fourn. 2004

Description:

Slo.: jesenov (?) skorjeder - Habitat: Harwood forest, almost flat calcareous terrain, northeast oriented humid place, in shade, partly protected from direct rain, average precipitations ~ 3.000 mm/year, average temperature 8-10 deg C, elevation 480 m (1.600 feet), alpine phytogeographical region. - Substratum: fallen, partly rotten branch of a hardwood tree, still in bark, probably Fraxinus sp. (F. excelsior or F. ornus)- Comments: Spores smooth, with longitudinal slit (some ?), ellipsoid in front view, almond shaped in side view, somewhat flattened, some slightly falcate; dimensions: 10.4 (SD = 0.7) x 5.7 (SD = 0.7) micr., Q = 1.86 (SD = 0.18), n = 30. Motic B2-211A, magnification 1.000 x, oil, in water. Stromata show in 5% KOH deep orange-brown pigments. - Ref.: (1) http://pyrenomycetes.free.fr/hypoxylon/html/Hypoxylon_petriniae.htm . (2) http://www.asturnatura.com/fotografia/setas-hongos/hypoxylon-petriniae-m-stadler-j-fourn-2004-1/6811.html .

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2011 Dr. Amadej Trnkoczy
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Dr. Amadej Trnkoczy
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CalPhotos:0000 0000 0311 0368