Image of Polyporus alveolaris

Description:

Slo.: satjasti lukniar - Syn.: Polyporus mori, Hexagonia mori - 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. - 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. - 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. -Ref.: (1) A.Bernicchia, Polyporaceae s.l., Edizioni Candusso (2005), p 455. (2) G.J.Krieglsteiner (Hrsg.), Die Grosspilze Bade-Wrttembergs, Band 1, Ulmer (2000), p 602.