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Stemonitis flavogenita   

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Stemonitis flavogenita
Stemonitis flavogenita
Photographer: Dr. Amadej Trnkoczy

ID: 0000 0000 0814 2329 (2014-08-19)

Copyright © 2014 Dr. Amadej Trnkoczy

 
INFORMATION PROVIDED WITH THE PHOTO
  • date of photo  Aug 11, 2014
  • latitude 46.36119   longitude 13.70107     View on Google Maps.
  • location   Lower Trenta valley, between villages Soča and Trenta, upper part of 'Na melu' place, East Julian Alps (Posočje, Slovenia)
  • notes   Habitat: old partly overgrown pasture, near mixed wood edge, moderately southeast inclined foot of a mountain; open, dry, sunny place; shallow, skeletal, calcareous ground, exposed to direct rain, average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 630 m (2.070 feet), alpine phytogeographical region. - Substratum: north side of a stump of Picea abies (on decorticated part) cut down three years ago. - Comment: Highly distinctive traits of Stemonitis flavogenita are typically zig-zag bent columella with a kind of plate at the end just before the end of sporangia (Ref.:1). It is not gradually tapering toward the end of sporocarp as with other species of genus Stemonitis. It is also distinguished by the presence of membranous expansions in the capillitium. Also agreement of macroscopic properties fit well to literature, so I hope the determination is correct. This observation may be interesting since this species is listed neither in Boletus Informaticus data base, Mycotheca and lichen herbarium (LJU-Li) of Slovenian Forestry Institute nor in official Slovenian fungi checklist. - Sporocarp color rusty, oac719; spores on mass chocolate brown, oac635. Stalks 2.5 to 3 mm long, total length of sporangia 9 mm, all of them were fairly the same length, very closely tufted, their tips blunt. The whole clump had 14 mm in diameter. - Spores finely warted, globose. Dimensions: 8,4 [8,8 ; 9] 9,5 x 8,2 [8,6 ; 8,7] 9,1 microns; Q = 1 [1,0] 1,1; N = 32; C = 95%; Me = 8,9 x 8,7 microns; Qe = 1. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil (spores), NEA 10x/0.25, magnification 100x (all other pictures); in water. AmScope MA500 digital camera. - Herbarium: Mycotheca and lichen herbarium (LJU-Li) of Slovenian Forestry Institute, Večna pot 2, Ljubljana, Index Herbariorum LJF - Ref.: (1) B. Ing, The Myxomycetes of Britain and Ireland,The Richmond Publ. Co.Ltd, (1999), p 199. (2) S.L.Stephenson and H.Stempen, Myxomycetes, Timber Press Inc.(2000), p 153. (3) http://www.discoverlife.org/mp/20q?search=Stemonitis+flavogenita (4) http://www.myxomycetes.wolf-5.cyberdusk.pl/index.php?wyb=gal&rodzaj=Stemonitis&gat=1&foto=9 (6) http://www.myxomycetes.net/index.php (7) http://myxo.be/pdf/Stemonitis%20flavogenita%20Stemonitopsis%20peritricha%20Intermediaire.pdf (8) https://www.bookiejar.com/Content/Books/7ccbe2a1-12a9-41fa-a3ff-0f8ebaf40ef6/3339_r1/31098/www.gutenberg.org@dirs@3@1@0@9@31098@31098-h@31098-h-7.htm#Page_154 (9) https://www.shitennoji.ac.jp/ibu/images/toshokan/kiyo45-15.pdf
  • camera   Nikon D70/Nikon D700/Nikkor Micro 105mm/f2.8
  • contributor's ID #  Bot_823/2014_DSC2764
  • photo category: Fungi - mold

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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 © 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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