Image of Trametes gibbosa (Pers.) Fr. 1838

Description:

Slo.: grbasta ploskocevka - Habitat: Old alluvial terrace of River Soča, flat terrain, former pasture, now light bush land, calcareous ground, fairly sunny and warm, exposed to direct rain, average precipitations ~ 3.000 mm/year, average temperature 8-10 deg C, elevation 400 m (1.300 feet), alpine phytogeographical region. - Substratum: two stumps of a cut down small Fraxinus sp. (probably F. ornus) trees in initial stage of disintegration. - Comments: Growing on two stumps, several large pileus of different age, pileus diameter up to 22 cm (8 inch), sterile surface white to beige, old caps overgrown with algae and mosses, context white, not zonate, pore surface white, light straw color on older pilei; SP faint, white. Pictures taken at below 0 deg C temperature and after a prolonged period of very cold weather (icy days with minimum temperatures -10 deg C (14 deg F)). - Spores smooth. Dimensions: 4.4 (SD = 0.4) x 2.3 (SD = 0.2) micr., Q = 1.88 (SD = 0.21), n = 25. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil, in water. Congo red. - Ref.:(1) G.J.Krieglsteiner (Hrsg.), Die Grosspilze Bade-Wrttembergs, Band 1, Ulmer (2000), p 585. (2) A.Bernicchia, Polyporaceae s.l., Fungi Europaei, Vol. 10., Edizioni Candusso (2005), p 527. (3) R.Phillips, Mushrooms, Macmillan (2006), p 317. (4) M.Bon, Pareys Buch der Pilze, Kosmos (2005), p 318.