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Steccherinum bourdotii   

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Steccherinum bourdotii
Steccherinum bourdotii
Photographer: Dr. Amadej Trnkoczy

ID: 0000 0000 0212 2115 (2012-02-21)

Copyright © 2012 Dr. Amadej Trnkoczy

 
INFORMATION PROVIDED WITH THE PHOTO
  • date of photo  Jan 5, 2012
  • latitude 46.34676   longitude 13.56571     View on Google Maps.
  • location   Bovec basin, at the foot of Mt. Čukla, Ravni Laz place, above the dirt road to Plajerjeva skala, East Julian Alps (Posočje, Slovenia)
  • notes   Habitat: At the side of a group of Pinus nigra trees, south oriented mountain slope, fairly sunny and relatively warm place, calcareous ground, partly protected from direct rain by tree canopies, average precipitations ~ 3.000 mm/year, average temperature 8-10 deg C, elevation 600 m (1.950 feet), alpine phytogeographical region. - Substratum: Dead stump of a cut down deciduous tree (possibly Ostrya carpinifolia) mostly still in bark and partly covered with mosses, also heavily infected with Trametes versicolor (as effuse-reflexed to pileate form), however fungus spread also to pieces of fallen off bark, herbaceous plant roots and old leaf petioles (as a resupinated form). - Comments: Subglobose to ovate and significantly larger spores (see spore measurement chart), smaller diameter pseudocystidia, conical and longer than 1 mm aculei (see Ref.:(2)) distinguish this observation from more frequent Steccherinum ochraceum well. All forms from pure resupinated to distinctly pileate present. Caps of pileate form zonate, up to 14 mm wide and 12 mm off the substrate, often confluent up to 2 mm thick, context thin, upper side beige-pink with some brown strips and green (algae?), with thin whitish margin. Hymenium aculei up to 1.5 mm long, mostly conical, ocher-pink (oac764); hymenium in resupinated form with white edge. Smell indistinctive on soil and rottenness. SP whitish. Spores smooth, subglobose to ovate, dimensions: 4.4 (SD = 0.3) x 3.7 (SD = 0.2) micr., Q = 1.21 (SD = 0.07), n = 30. Motic B2-211A, magnification 1.000 x, oil, in water. Pseudocystidia 5-7 micr. diameter. Measured spores and a comparison of spore dimensions of S. bourdotii and S. ochraceus. - S.bourdotii. Ref.: (1) G.J.Krieglsteiner (Hrsg.), Die Grosspilze Bade-Württembergs, Band 1, Ulmer (2000), p 327. (2) A.Bernicchia, S.P.Gorjon, Cortitiaceae s.i., Fungi Europaei Vol.12., Edizioni Candusso (2010), pp 624. (3) http://aphyllopower.blogspot.com/2008/06/steccherinum-bourdotii-rundsporiger.html - S.ochraceum. (1) G.J.Krieglsteiner (Hrsg.), Die Grosspilze Bade-Württembergs, Band 1, Ulmer (2000), p 327. (2) A.Bernicchia, S.P.Gorjon, Cortitiaceae s.i., Fungi Europaei Vol.12., Edizioni Candusso (2010), pp628. (3) J.Breitenbach, F.Kraenzlin, Eds., Fungi of Switzerland, Vol.1. Verlag Mykologia (1984).
  • camera   Nikon D700 / Nikkor Micro 105mm/f2.8
  • contributor's ID #  Bot_596/2012_DSC2715
  • photo category: Fungi - fungi

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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 © 2012 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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