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Mycena alba; White Bonnet   

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Mycena alba
Mycena alba
White Bonnet
Photographer: Dr. Amadej Trnkoczy

ID: 0000 0000 1214 2246 (2014-12-21)

Copyright © 2014 Dr. Amadej Trnkoczy

 
INFORMATION PROVIDED WITH THE PHOTO
  • date of photo  Dec 7, 2014
  • latitude 46.35535   longitude 13.69859     View on Google Maps.
  • location   Lower Trenta valley, left bank of river Soča between villages Soča and Trenta, about 100 m downstream of the river bridge leading to the farmhouse 'Matevž', Trenta 3, East Julian Alps (Posočje, Slovenia)
  • notes   Slo.: belkasta čeladica - Habitat: alpine valley, river bank at the foot of steep north side of a mountain, locally almost flat terrain, calcareous ground, river bank vegetation mostly consisting of Salix eleagnos, Ostrya carpinifolia, Picea abies and some Fagus sylvatica; humid air and ground, partly sunny, exposed to direct rain; average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 525 m (1.720 feet), alpine phytogeographical region. - Substratum: growing in bark crevices of a live, standing, grown up Ostrya carpinifolia covered by liverworts (Frullania sp. or eventually Radula sp.), mosses and lichens. - Comments: According to Breitenbach (1995) (Ref.:1) only three 'winter' species of very large genus Mycena (over 200 species worldwide (Ref.:2) and 64 described in Slovenia (Ref.:3)) have round or almost round spores. Descriptions of Mycena alba in literature nicely fit to this observation. The species is considered rare almost everywhere (Ref.:2). There are only a few observations in Slovenia registered in the Boletus Informaticus data base so far. However the mushroom is probably much more frequent as data show. There is no doubt that it is overlooked frequently, since it is small. As far as I was able to check Ostrya carpinifolia has not been recorded yet as a host. - Growing solitary in a group of more than 30 pilei all around a single tree trunk from 0.5 m to 1.8 m above ground level; pilei diameter 4 - 9 mm, stipe 5 - 8 mm long, diameter about 0.5 mm; taste poorly tested since the fungi are so small, apparently indistinctive; smell indistinctive; flesh quite firm considering miniature size of fruit bodies; SP faint, probably white. - Spores smooth. Dimensions: 7 [7.7 ; 8] 8.8 x 5.7 [6.5 ; 6.8] 7.6 microns; Q = 1.1 [1.2] 1.3; N = 32; C = 95%; Me = 7.9 x 6.7 microns; Qe = 1.2. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil; in water; live 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) J. Breitenbach, F. Kraenzlin, Eds., Fungi of Switzerland, Vol.3. Verlag Mykologia(1995), p 260.(2) G.J. Krieglsteiner (Hrsg.), Die Grosspilze Baden-Württembergs, Band 3., Ulmer (2001), p 428. (3) A. Poler, ed., Seznam gliv Slovenije (in Slovene) (Slovenian checklist of Fungi), 2nd Ed., Assoc. of Mycol. Soc. of Slovenia (1998), p 51. (4) http://home.online.no/~araronse/Mycenakey/alba.htm . (5) http://www.museum-joanneum.at/fileadmin//user_upload/Stundienzentrum_Naturkunde/Downloads/Gesamter_Beitrag_als_PDF_2..pdf
  • camera   AmScope MA500 digital camera
  • photo category: Fungi - fungi

  • MORE INFORMATION ABOUT THIS FUNGUS
  • common names   White Bonnet (photographer)
  • View all photos in CalPhotos of Mycena alba
  • Check Google Images for Mycena alba


  • The photographer's identification Mycena alba has not been reviewed. Click here to review or comment on the identification.

     
    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 © 2014 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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