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Image of Crepidotus mollis (Schaeff.) Staude 1857

Image of Crepidotus mollis (Schaeff.) Staude 1857

Description:

Slo.: zdrizasta postranica - Habitat: alpine valley, river bank, locally almost flat terrain, calcareous ground, river bank vegetation mostly consisting of Salix eleagnos, Picea abies and some Fagus sylvatica; humid air and ground, partly sunny, exposed to direct rain; average precipitations ~ 3.000 mm/year, a average temperature 8-10 deg C, elevation 525 m (1.720 feet), alpine phytogeographical region. - Substratum: dead wood, stump of a cut down Salix eleagnos. - Comments: Growing in a group of five pilei; pilei small or still young; pilei across 0.9 - 2 cm, maximally 7 mm thick; pilei with gelatinous cutis easily peeling off, very sticky; stipe absent, some white mycelium present at the point of attachment; taste mild, indistinctive, smell none; flesh soft, plyant, watery; SP abundant, neutral brown, oac783. I follow taxonomy given in Krieglsteiner (2001) who distinguishes two varieties of Crepidotus mollis, var. mollis and var. calolepsis. The latter on has scales on its pileus (which was not the case in my find) and is considered by some authors as a separate species. - Spores smooth. Spore dimensions: 7.3 [8.1 ; 8.5] 9.4 x 4.9 [5.3 ; 5.5] 5.8 microns; Q = 1.4 [1.5 ; 1.6] 1.7; N = 35; C = 95%; Me = 8.3 x 5.4 microns; Qe = 1.5. Basidia dimensions: 17.3 [22.5 ; 26.1] 31.3 x 6.1 [6.9 ; 7.4] 8.2 microns; Q = 2.5 [3.2 ; 3.6] 4.3; N = 15; C = 95%; Me = 24.3 x 7.2 microns; Qe = 3.4. Cheilocystidia cylindrical to slenderly lageniform. Dimensions: 37.9 [44 ; 51.5] 57.7 x 4.7 [6.3 ; 8.2] 9.7 microns; Q = 5.3 [6.2 ; 7.3] 8.2; N = 7; C = 95%; Me = 47.8 x 7.2 microns; Qe = 6.7. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil (spores); NEA 40x/0.65, magnification 400x (all other pictures) in water, all live material. AmScope MA500 digital camera. - Herbarium: Mycotheca and lichen herbarium (LJU-Li) of Slovenian Forestry Institute, Vena pot 2, Ljubljana, Index Herbariorum LJF - Ref.: (1) J. Breitenbach, F. Kraenzlin, Eds., Fungi of Switzerland, Vol.5. Verlag Mykologia (2000), p 300. (2) S. Buczacki, Collins Fungi Guide, Collins (2012), p 390. (3) R. Phillips, Mushrooms, Macmillan (2006), p 269. (4) G.J. Krieglsteiner (Hrsg.), Die Grosspilze Baden-Wrttembergs, Band 4., Ulmer (2001), p 434.

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2014 Dr. Amadej Trnkoczy
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Dr. Amadej Trnkoczy
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