date of photo Oct 26, 2016
latitude 46.35913 longitude 13.70108
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location
Lower Trenta valley, between villages Soča and Trenta, right bank of river Soča, next to the trail between cottage Trenta 2b and Trenta 1, Matevž farm house, East Julian Alps (Posočje, Slovenia)notes Slo.: žaltava korenovka - syn: Collybia asema (Fr.) Gillet, Collybia butyracea var. asema (Fr.) Cetto, Collybia butyracea (Bull.) P. Kumm. - Habitat: Mixed wood, Fagus sylvatica dominant; slightly inclined mountain slope, southeast aspect; stony, calcareous, colluvial ground, in shade, relatively warm place; partly protected from direct rain by tree canopies, average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 590 m (1.940 feet), alpine phytogeographical region. Substratum: forest soil, thick layer of rotten leaves of Fagus sylvatica. Comments: Growing in a group of more than ten pilei on about 2 m2 area; pilei diameter 25 - 50 mm; huts somewhat sticky, older ones hygrophanous, stipe 50 - 75 mm long, 7 - 11 mm in diameter at the base, slightly viscid, some curved at the base, some longitudinally twisted, hollow, +/- lightly longitudinally furrowed; taste mushroomy, slightly unpleasant after a while; smell nitrous; SP abundant, whitish-beige, oac851. Spores smooth. Dimensions: 5,6 [6,5 ; 6,9] 7,8 x 3 [3,4 ; 3,6] 4 microns; Q = 1,6 [1,9 ; 2] 2,2; N = 30; C = 95%; Me = 6,7 x 3,5 microns; Qe = 1,9. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil; in water, fresh material. AmScope MA500 digital camera. Herbarium: Mycotheca and lichen herbarium (LJU-Li) of Slovenian Forestry Institute, Večna pot 2, Ljubljana, Index Herbariorum LJF Ref.: (1) http://www.nybg.org/bsci/res/col/rhodo.html#butyracea (2) J. Breitenbach, F. Kraenzlin, Eds., Fungi of Switzerland, Vol.3. Verlag Mykologia (1991), p 172. (3) M. Bon, Parey's Buch der Pilze, Kosmos (2005), p 178. (4) S. Buczacki, Collins Fungi Guide, Collins (2012), p 175. (5) R. Phillips, Mushrooms, Macmillan (2006), p 123.camera Nikon D700/Nikkor Micro 105mm/f2.8
contributor's ID # Bot_1022/2016_DSC6102 photo category: Fungi - fungi
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