Image of Auricularia mesenterica (Dicks.) Pers. 1822

Description:

Slo.: brestova uhljevka - Habitat: Mixed wood, dominant Fagus sylvatica, Picea abies, Pinus. sp, Larix decidua, Ostrya carpinifolia, Fraxinus ornus, etc.; South inclined mountain slope, rocky terrain, calcareous bedrock; rather dry and warm place, partly in shade, exposed to direct rain, average precipitations ~ 3.000 mm/year, average temperature 5-7 deg C, elevation 890 m (2.900 feet), alpine phytogeographical region. - Substratum: Large, dead fallen Fagus sylvatica trunk, partly rotten, partly still in bark. - Comments: Fruit body gelatinous, rubbery when moist and very hard when dry. Lower side coarsely wrinkled. Pileus diameter up to 7 cm (3 inch), SP crme-gray (oac879), huts from light beige-gray (oac879) to almost black (oac901), hairy; hymenophore violet-brown (oac635). - Spore dimension data in Ref.1. is probably a mistake. - Spores smooth, cylindrical, sausage like. Dimensions: 16.4 (SD = 1.0) x 5.8 (SD = 0.3) micr., Q = 2.82 (SD = 0.14), n = 30. Motic B2-211A, magnification 1.000 x, oil, in water. - Ref.: (1) R.Phillips, Mushrooms, Macmillan (2006), p 349. (2) G.J.Krieglsteiner (Hrsg.), Die Grosspilze Bade-Wrttembergs, Band 1, Ulmer (2000), p 62. (3) M.Bon, Parey's Buch der Pilze, Kosmos (2005), p 324. (4) http://www.leifgoodwin.co.uk/Fungi/Auricularia%20mesenterica.html . (5) W.Rothmaler, Exkursionsflora von Deutschland, Vol.1, Niedere Pflanzen, Elsevier, 3.Auflage, (1994), p 316.