Image of Phylloporia ribis (Schumach.) Ryvarden 1978

Description:

Slo.: ribezov plutač - syn.: Phellinus ribis, Phylloporia ribis f. euonymi - Habitat: Light broadleaf forest intermixed with unmaintained grassy meadows, flat terrain, old calcareous river deposits, partly shady, partly protected from direct rain by tree canopies, average precipitations ~ 3.000 mm/year, average temperature 8-10 deg C, elevation 365 m (1.200 feet), alpine phytogeographical region. - Substratum: Euonymus europaea - Comments: Growing solitary at the base of a middle size Euonymus europaea bush situated under a large Fagus sylvatica, alive but not in a good health condition. Pileus diameter up to 15 cm x 10 cm (6 inch x 4 inch) and 3 cm (1.2 inch) thick, hard, difficult to cut through, corky. Cap upper side dark tobacco color (oac638), almost totally covered by mosses. Context somewhat lighter than cap (oac644). Pore layer concolorous with context, pore surface ocher-brown (oac777). SP whitish-crme. - Spores smooth, small, abundant. Dimensions 3.4 (SD = 0.2) x 2.7 (SD = 0.2) micr., Q = 1.27 (SD = 0.09), n = 30. Motic B2-211A, magnification 1.000 x, oil, in water. - Ref.: (1) A.Bernicchia, Polyporaceae s.l., Fungi Europaei, Vol. 10., Edizioni Candusso (2005), p 440. 3-4/2.5-3 (2) G.J.Krieglsteiner (Hrsg.), Die Grosspilze Bade-Wrttembergs, Band 1, Ulmer (2000), p 462. (3) Ryvarden, L.; Gilbertson, R.L. 1994, Syn. Fung. 7. p535 (after MycoBank) 3-4.5 x 2.5-3 m (4) Personal communication with Mr. Anton Poler, identification confirmed.