Observation 85405: Polyporus alveolaris (DC.) Bondartsev & Singer
When: 2011-12-11
(46.33411° 13.52978° )
No herbarium specimen

Notes: Code: Bot_582/2011_DSC1843

Habitat: Hardwood forest with a few scattered Picea abies, S oriented hill slope, cretaceous clastic rock (flysh) bedrock, in shade, humid and relatively warm place, partly protected from direct rain by tree canopies, average precipitations ~ 3.000 mm/year, average temperature 8-10 deg C, elevation 490 m (1.600 feet), alpine phytogeographical region.

Substratum: still hanging dead stalk of Clematis vitalba, about 12 – 14 mm (0.5 inch) in diameter and 30 cm (one foot) above ground.

Place: Bovec basin, NW of the town, below the road from Bovec to village Plužna, East Julian Alps, Posočje, Slovenia EC

Comments: Unusual substratum – dead Clematis vitalba. None of sources checked mentions Clematis as a possible substratum; fairly aged fruitbody; growing solitary, pileus diameter 28 mm (1.2 inch) yellow-beige (oac855), pores concolorous with the cap, stipe 4 mm in diameter about 5 mm (0.2 inch) long, slightly lighter than cap, no black color on it. SP faint, whitish.

Nikon D700 / Nikkor Micro 105mm/f2.8

Proposed Names

85% (1)
Eye3 Eyes3
Recognized by sight: Large hexagonal pores. Small pileus.
Used references: (1) A.Bernicchia, Polyporaceae s.l., Edizioni Candusso (2005), p 455.
(2) G.J.Krieglsteiner (Hrsg.), Die Grosspilze Bade-Württembergs, Band 1, Ulmer (2000), p 602.
Based on microscopic features: Spore dimensions: 10.8 (SD = 0.7) x (SD = 3.7) micr., Q = 2.96 (SD = 0.22), n = 30. Motic B2-211A, magnification 1.000 x, oil, in water. Congo red.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Unusual substratum – Clematis vitalba
By: amadej trnkoczy (amadej)
2011-12-31 06:33:22 CST (-0500)

Created: 2011-12-31 06:31:26 CST (-0500)
Last modified: 2011-12-31 06:31:28 CST (-0500)
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