Observation 84571: Pleurotus dryinus (Pers.) Kum.
When: 2011-12-11
(46.32831° 13.58597° )
No herbarium specimen

Notes: Code: Bot_581/2011_IMG8207

Habitat: Predominantly Fagus sylvatica forest with some Picea abies, steep mountain slope oriented north, shallow soil layer over rocks, calcareous ground, fairly cool place with no sun during winter months, in shade, partly protected from direct rain by tree canopies, average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 480 m (1.600 feet), alpine phytogeographical region.

Substratum: Large, standing, alive, but wounded Fagus sylvatica.

Place: East Bovec basin, left bank of river Soča, near Girhlca place, below the forest road toward Čezsoča village, East Julian Alps, Posočje, Slovenia EC

Comments: Fairly aged fruitbody! Growing solitary out of the wound of the trunk about 1.5 m (7 feet) above ground. Cap almost glabrous, dimensions: 18 × 20 cm (7 × 8 inch), beige (oac855); stipe with white fibers in ridges, 9 cm (3.5 inch) long and 3.8 cm (1.5 inch) in diameter, almost white (oac857); gills beige-light ocher (oac814); mass almost 400 g (moist state), SP white; Spores smooth. Dimensions: 13.3 (SD = 1.3) x 4.4 (SD = 0.4) micr., Q = 3.1 (SD = 0.3), n = 30. Motic B2-211A, magnification 1.000 x, oil, in water with Kongo Red.

Canon G11, 6.1-30mm/f2.8-4.5

Proposed Names

85% (1)
Eye3 Eyes3
Recognized by sight
Used references: (1) J.Breitenbach, F.Kraenzlin, Eds., Fungi of Switzerland, Vol.3. Verlag Mykologia
3.Auflage, (1994), p 312
(2) G.J.Krieglsteiner (Hrsg.), Die Grosspilze Bade-Württembergs, Band 3, Ulmer (2001), p 24.
(3) M.Bon, Parey’s Buch der Pilze, Kosmos (2005), p 120.
(4) http://www.mushroomexpert.com/pleurotus_dryinus.html .
Based on microscopic features: Spores smooth. Dimensions: 13.3 (SD = 1.3) x 4.4 (SD = 0.4) micr., Q = 3.1 (SD = 0.3), n = 30. Motic B2-211A, magnification 1.000 x, oil, in water with Kongo Red.
Based on chemical features: Smell mild, pleasant, mushroomy.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2011-12-13 14:23:56 CST (-0600)
Last modified: 2011-12-13 14:23:59 CST (-0600)
Viewed: 40 times, last viewed: 2015-03-16 07:10:34 CDT (-0500)
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