Observation 197228: Lyophyllum decastes (Fr.) Singer


Habitat: mixed wood, Fagus sylvatica and Picea abies dominant trees; modestly steep, SE oriented mountain slope; shallow, skeletal soil layer, overgrown calcareous sand, stone and rocks; relatively dry and warm place; in shade; partly protected from direct rain by tree canopies; average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 600 m (1.970 feet), alpine phytogeographical region.

Substratum: forest soil.

Place: Lower Trenta valley, right bank of river Soča, between villages Soča and Trenta, next to the trail from Trenta 2b cottage to abandoned farmhouse ‘Strulc’, East Julian Alps, Posočje, Slovenia EC.

Comments: Growing in groups of several fruit bodies on two places some 100 m apart (see also observation Bot_838/2014_DSC4296 in the same day); pileus diameter up to 5 cm, viscid with young fruit bodies; cuticle thick, rubbery, peels easily; stipe up to 4 cm tall and 1.4 cm in diameter; sporocarps markedly fleshy and firm; taste mild, mushroomy; smell indistinctive, almost none; SP abundant but only after two days of collecting, yellowish-beige with slight green tint, oac13.

Proposed Names

85% (1)
Eye3 Eyes3
Recognized by sight
Used references: (1) G.J. Krieglsteiner (Hrsg.), Die Grosspilze Baden-Württembergs, Band 3., Ulmer (2001), p 307.
(2) R. Phillips, Mushrooms, Macmillan (2006), p 114.
(3) S. Buczacki, Collins Fungi Guide, Collins (2012), p 208.
(4) J. Breitenbach, F. Kraenzlin, Eds., Fungi of Switzerland, Vol.3. Verlag Mykologia (1984), p 220.
(5) R.M. Daehncke, 1200 Pilze in Farbfotos, AT Verlag (2009), p 275.
(6) D. Arora, Mushrooms Demystified, Ten Speed Press, Berkeley (1986), p 174.
Based on microscopic features: Spores smooth, subglobose. Dimensions: 5.8 [6.3 ; 6.6] 7.1 × 4.6 [5.1 ; 5.3] 5.8 microns; Q = 1.2 [1.23 ; 1.26] 1.3; N = 37; C = 95%; Me = 6.5 × 5.2 microns; Qe = 1.2. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil, in water, Congo red; live material. AmScope MA500 digital camera.
Based on chemical features: Taste mild, mushroomy; smell indistinctive, almost none.

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Created: 2015-01-26 13:14:39 CST (-0500)
Last modified: 2015-01-26 13:15:25 CST (-0500)
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