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Rhodocollybia butyracea; Butter Cap   

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Rhodocollybia butyracea
Rhodocollybia butyracea
Butter Cap
Photographer: Dr. Amadej Trnkoczy

ID: 0000 0000 0117 3085 (2017-01-21)

Copyright © 2017 Dr. Amadej Trnkoczy

 
INFORMATION PROVIDED WITH THE PHOTO
  • date of photo  Oct 26, 2016
  • latitude 46.35913   longitude 13.70108     View on Google Maps.
  • 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

  • MORE INFORMATION ABOUT THIS FUNGUS
  • common names   Butter Cap (photographer)
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    Using this photo   The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the photo is clearly credited with © 2017 Dr. Amadej Trnkoczy. For other uses, or if you have questions, contact Dr. Amadej Trnkoczy amadej.trnkoczy[AT]siol.net. (Replace the [AT] with the @ symbol before sending an email.)


     

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