Phylloporia ribis (Schumach.) Ryvarden

Image location: Bovec basin, East Julian Alps, Posočje, Slovenia

Code: Bot_590/2012_DSC2418

Habitat: Light broad-leaf 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

Place: Soča valley between Kobarid and Žaga, right Soča bank near Srpenica village, East Julian Alps, Posočje, Slovenia EC

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. Caps’ 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-creme.

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. (2) G.J.Krieglsteiner (Hrsg.), Die Grosspilze Bade-Württembergs, Band 1, Ulmer (2000), p 462. (3) Ryvarden, L.; Gilbertson, R.L. 1994, Syn. Fung. 7. p535 (after MycoBank) (4) Personal communication with Mr. Anton Poler. Identification confirmed.

Nikon D700 / Nikkor Micro 105mm/f2.8 and Canon G11, 6.1-30mm/f2.8-4.5

Recognized by sight

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