Image of Tricholomopsis rutilans (Schaeff.) Singer 1939

Description:

Slo.: rdekasta trhlenka - syn.: Gyrophila rutilans (Schaeff.) Qul., Tricholoma rutilans (Schaeff.) P. Kumm., Tricholomopsis variegata (Scop.) Singer - Habitat: mixed wood, Picea abies and Fagus sylvatica dominant trees; locally almost flat terrain, bottom of the valley; calcareous ground; almost in shade; partly protected from direct rain by tree canopies, average precipitations ~ 3.000 mm/year, average temperature 5-7 deg C, elevation 820 m (2.700 feet), alpine phytogeographical region.Substratum: totally rotten, moss overgrown Picea abies stump.Comments: Tricholomopsis rutilans can hardly be confused with other species in the field. Beautifully yellow-reddish colored mushroom has abundant and large (up to 140 microns long) cheilocystidia (special sterile cells that are found, in some mushrooms, popping up on the edges of the gills, here much larger than basidia), which can be seen even without microscope with any magnifying glass. The mushroom is generally quite common although not in the Trenta valley. A single fruitbody has been found. Smell and taste mild, undistinguished; SP white.Spores smooth with one guttule. Dimensions: (6,1) 6,7 - 7,6 (8) x (4,8) 4,9 - 5,7 (6,1) microns; Q = (1,2) 1,3 - 1,4 (1,6); N = 30; Me = 7,1 x 5,4 microns; Qe = 1,3. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil; in water; fresh material. AmScope MA500 digital camera.Ref.: (1) Personal communication with Mr. Bojan Rot, www.gobemnbovskem.si(2) http://www.mushroomexpert.com/tricholomopsis_rutilans.html (accessed Nov.9. 2017) (3) J. Breitenbach, F. Kraenzlin, Eds., Fungi of Switzerland, Vol.3., Verlag Mykologia (1991), p 346. 3 (4) G.J. Krieglsteiner (Hrsg.), Die Grosspilze Baden-Wrttembergs, Band 3., Ulmer (2001), p 578.(5) R.M. Daehncke, 1200 Pilze in Farbfotos, AT Verlag (2009), p 224. (6) R. Phillips, Mushrooms, Macmillan (2006), p 98. (7) M. Bon, Parey's Buch der Pilze, Kosmos (2005), p 150.