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Pluteus pouzarianus
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Photographer: Dr. Amadej Trnkoczy
ID: 0000 0000 1116 0403 (2016-11-05)Copyright © 2016 Dr. Amadej Trnkoczy
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INFORMATION PROVIDED WITH THE PHOTO
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date of photo Oct 29, 2016
latitude 46.36009 longitude 13.70169
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location
Lower Trenta valley, between villages Soča and Trenta, right bank of river Soča, near the trail from Trenta 2b cottage to abandoned farm house Strgulc, Soča 47, East Julian Alps (Posočje, Slovenia)notes Slo.: pouzarjeva ščitovka - Habitat: Mixed forest, Fagus sylvatica and Picea abies dominant trees; moderately inclined mountain slope, southeast aspect; relatively warm and dry place; colluvial, calcareous, skeletal ground; in shade; average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 600 m (2.000 feet), alpine phytogeographical region. Substratum: completely rotten stump of Picea abies. Comments: Pluteus pouzarianus belongs to Pluteus cervinus agg. Variability of size, color, etc. of members of this group is so big that several authors claim they can hardly be determined in the field. Microscopy is needed. Pluteus pouzarianus is distinguished from other options, particularly from common Pluteus cervinus s.s., by: about 40% of hypha in pileipellis having clamps and it grows exclusively on conifer wood. Usually it has (in average) grayer cap and it is of somewhat smaller size. It seems, traits of the find fit well to literature. There were two pilei present in this find. Pilei diameter 4 and 4.5 cm, surface velvety-waxy for palpation, cuticle peels off easily; stipe 4.5 and 5 cm tall, diameter in the middle 6 and 6.5 mm, 'bulbous'; smell faint, lightly on radish; taste faint, slightly mushroomy and on radish; SP abundant, pinkish-ocher, oac651. Spores smooth. Dimensions: 6 [6,8 ; 7,1] 7,9 x 4,6 [5,1 ; 5,3] 5,7 microns; Q = 1,2 [1,3 ; 1,4] 1,5; N = 33; C = 95%; Me = 7 x 5,2 microns; Qe = 1,3. Pleurocystidia numerous, horned. Dimensions: 41.2 [53 ; 58.6] 70.3 x 11.9 [15 ; 16.5] 19.6 microns; Q = 2.6 [3.4 ; 3.8] 4.5; N = 27; C = 95%; Me = 55.8 x 15.7 microns; Qe = 3.6. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil (spores); NEA 40x/0.65, magnification 400x (cheilocystidia, pleurocystidia, pileipellis hypha), NEA 10x/0.25, magnification 100x (pileipellis); fresh material, 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) R.Lliffe, Getting to Grips with Pluteus, Field mycology, Vol.11 (3) 2010, p78; available at: http://www.britmycolsoc.org.uk/files/9413/3094/7703/Pluteus%20Getting%20to%20grips%20with%20Richard%20Iliffe%20final%20version%20on%2012%20July%202010.pdf (2) J. Breitenbach, F. Kraenzlin, Eds., Fungi of Switzerland, Vol.4. Verlag Mykologia (1995), p 128. (3) http://www.photomazza.com/?Pluteus-cervinus (P.cervinus) (4) http://www.mycodb.fr/fiche.php?genre=Pluteus&espece=pouzarianus&numphoto=6&source=list&filter=&numfiche=4723 (5) http://www.funghiitaliani.it/?showtopic=71917 (6) http://www.mykoweb.com/CAF/species/Pluteus_pouzarianus.html SP 5.5-8.5 (9.0) microns (7) http://www.ambmuggia.it/forum/topic/5566-pluteus-pouzarianus/?mode=threaded (8) C. Bas et al. Flora Agaricina Neerlandica, Vol.2., CRC Press (1990), p 35; available at: https://books.google.si/books?id=Z-xGzC7Nic4C&pg=PA35&lpg=PA35&dq=pluteus+pouzarianus&source=web&ots=VJVAUEjZWc&sig=hq0pk6ZuW-PKGDURPJKX_cUpf3g&redir_esc=y&hl=sl#v=onepage&q=pluteus%20pouzarianus&f=falsecamera Nikon D700/Nikkor Micro 105mm/f2.8
contributor's ID # Bot_1024/2016_DSC6239 photo category: Fungi - fungi
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