Observation 64048: Hypoxylon petriniae M. Stadler & J. Fourn. 2004

When: 2011-02-22

Collection location: Bovec basin, East Julian Alps, Posočje, Slovenia [Click for map]

46.33221° 13.50689°

Who: amadej trnkoczy (amadej)

No specimen available

Code: Bot_489/2011_DSC6510

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)

Place: Bovec basin, ravine below Srnica cave, at the foot of Mr. Kopa, 1.439 m (4.721 feet), East Julian Alps, Posočje, Slovenia EC

Nikon D700 / Nikkor Micro 105mm/f2.8 and Canon G11, 6.1-30mm/f2.8-4.5

Species Lists


Motic B2-211A, magnification 40 x, incidence light.
5% KOH, after about one minute

Proposed Names

57% (1)
Eye3 Eyes3
Recognized by sight
Based on microscopic features: 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.
Based on chemical features: Stromata show in 5% KOH deep orange-brown pigments.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2011-03-03 12:18:01 CST (-0500)
Last modified: 2012-02-23 16:53:13 CST (-0500)
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