Image de Lépiote crêtée

Description :

Slo.: smrdljivi deniek - syn.: Agaricus cristatus Bolt. - Habitat: Light mixed wood, Picea abies and Fagus sylvatica dominant trees; almost flat, calcareous, stony ground, old overgrown alluvium; under a small Picea abies; partly sunny and dry place; partly protected from direct rain by three canopy; average precipitations ~ 3.000 mm/year, average temperature 5-7 deg C, elevation 960 m (3.150 feet), alpine phytogeographical region.Substratum: sandy soil covered by rotting needles and leaves.Comments: Genus Lepiota is large and known from all continents of the Earth. There are about 100 species growing in Europe. Many are poisonous, even deadly. Lepiota cristata is quite common in Slovenia. With its large red-brown scales on almost white pileus surface and prominent umbo is not difficult to be recognized. Stipe has a superior ring; however, it is barely persistent. A remnant of it can be seen on picture 5b. Growing in a small group of a few fruit bodies; SP whitish-beige, oac851.Spores smooth, bullet shaped. Dimensions: 6,8 [7,5 ; 7,8] 8,6 x 3,2 [3,6 ; 3,7] 4,1 microns; Q = 1,9 [2,1 ; 2,2] 2,3; N = 30; C = 95%; Me = 7,7 x 3,6 microns; Qe = 2,1. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil, in water, in vivo. AmScope MA500 digital camera.Ref.:(1) Id'ed by Mr. Bojan Rot, www.gobenabovskem.com (2) http://www.mushroomexpert.com/lepiota_cristata.html (3) http://www.rogersmushrooms.com/gallery/DisplayBlock~bid~6299.asp (4) https://sites.google.com/site/fungalspores/welcome-to-the-fungal-spore-photo-site/basidiomycete-spores/lepiota-cristata (5) http://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Lepiota%20cristata (6) J.Breitenbach, F.Kraenzlin, Eds., Fungi of Switzerland, Vol.4., Verlag Mykologia (1984), p 196.(7) D.Arora, Mushrooms Demystified, Ten Speed Press, Berkeley (1986), p 306.