Image of Stropharia eximia Benedix 1961

Description:

Slo.: orjaka strninica - Habitat: Among tall herbs and grass, near wood-side, semi-ruderal ground, old calcareous river deposits, flat terrain; partly sunny, exposed to direct rain, average precipitations ~ 3.000 mm/year, average temperature 8-10 deg C, elevations 420 m (1.400 feet), alpine phytogeographical region. - Substratum: soil, possibly decomposed tree and other litter. - Comments: Considered as rare, but some authors (if not most of) consider this species as a 'white' form of Stropharia rugosoannulata. Growing solitary or two/three fruitbodies together; several fruitbodies found at a distance of 100m (300 feet). Taste and smell indistinctive 'mushroomy'. Spore print almost black with violet tint. Base of stalk with white mycelium threads. Moderately viscid cap when wet. Pileus diameter of the largest fruit body about 20 cm (7,8 inch) and weight 380 g. Spore dimensions (the largest fruitbody): 11 (SD = 0.7) x 7.2 (SD = 0.5) micr., Q = 1.5 (SD = 0.12), n=30; spores thick-walled, with a germ pore. Motic B2-211A, magnification 1.000 x, oil, in water. - Ref.: (1) Personal communication with Mr. Bojan Rot. (2) http://pagesperso-orange.fr/samnel.museum/PDF/Bulletin18/Stropharia_eximia_C_Divet_001.pdf . (3) http://gobenabovskem.si/index.php?uredi=uzitne&goba=357&list=357&slika=slika1&slika=slika2&slika=slika1#357 . (4) http://www.mycodb.fr/photo.php?file=Stropharia_eximia_1987_ap_1.jpg&filter= (5) A.Poler, ed., Seznam gliv Slovenije (in Slovene), 2nd Ed., Assoc. of Mycol. Soc. of Slovenia (1998), p 71. (6) http://www.pilzlexikon.eu/rotbrauner-riesen-traeuschling.html. (7) R.M. Daehncke, 1200 Pilze in Farbfotos, AT Verlag (2009), p 600.