Observation 158132: Tyromyces chioneus (Fr.) P. Karst.
When: 2013-09-07
(46.34° 13.58° 550m)

Notes: Code: Bot_749/2013_DSC7931

Habitat: Mixed light forest, former pasture, Fagus sylvatica, Picea abies, Betula pendula, Corylus avellana dominant; modestly inclined mountain slope, cretaceous clastic rock (flysh) bedrock, relatively dry and partly sunny place, partly protected from direct rain by tree canopies; average precipitations ~ 3.000 mm/year, average temperature 8-10 deg C, elevation 550 m (1.800 feet), alpine phytogeographical region.

Substratum: fallen dead branch of Betula pendula lying on ground.

Place: Bovec basin, at the foot of Mt. Svinjak near village Kal-Koritnica, East Julian Alps, Posočje, Slovenia EC

Comments: Two sporocarps present; pileus about 2.5 – 3 cm wide; tube layer very thin compared to context; flesh cheesy but tough when dry; SP none, spores taken directly from pore surface using a soft, moist brush. Spores apparently do not fit to expectations well. They seem to be too wide, but characteristic smell and typical hypha with short side branching (Ref.:(1)) make the determination almost certain.

Nikon D700/Nikkor Micro 105mm/f2.8

Proposed Names

85% (1)
Eye3 Eyes3
Recognized by sight: Typical smell.
Used references: (1) Personal communication with Mr. Bojan Rot. Leg.: Bojan Rot, Det.: Mr.Branko Vrhovec.
(2) A. Bernicchia, Polyporaceae s.l., Fungi Europaei, Vol. 10., Edizioni Candusso (2005), p 550.
(3) G.J. Krieglsteiner (Hrsg.), Die Grosspilze Baden-Württembergs, Band 1, Ulmer (2000), p 595.
(4) L. Ryvarden, R.L. Gilbertson, European Polypores, part 2., Synopsis Fungorum 7., Fungiflora A/S (1994), p 686.
(5) S. Buczacki, Collins Fungi Guide, Collins (2012), p 497.
(6) R. Phillips, Mushrooms, Macmillan (2006), p 312.
(7) D. Arora, Mushrooms Demystified, Ten Speed Press, Berkeley (1986), p 599.
Based on microscopic features: Spores smooth. Dimensions: 4.5 (SD = 0.3) x 2.2 (SD = 0.2) μ, Q= 2.0 (SD = 0.18), n = 30. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil, in water. AmScope MA500 digital camera.
Based on chemical features: Smell characteristic, pleasant, aromatic.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2014-01-18 13:23:32 CST (-0500)
Last modified: 2014-01-18 13:23:48 CST (-0500)
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