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Page number:597 
Description type:Non-original description 
Description:Serpula lacrymans (Wulfen) J. Schröt., Meddn Soc. Fauna Flora fenn. 11: 21, 1885.
Bas.: Boletus lacrymans Wulfen, in Jacquin, Miscell. austriac. 2: 111, 1781.
Basidiome resupinate to effuse-reflexed, usually 5-10 mm thick, hymenophore merulioid to irregularly poroid, yellowish to orange when young to dark brown when mature, margin distinct, white, cottony, with rhizomorphs. Hyphal system dimitic, generative hyphae with clamps, 2-4 µm wide, thin-walled, subhymenial hyphae immersed in a gelatinous matrix, subicular hyphae often wider, thin-walled, some skeletoid hyphae present in subiculum, skeletal hyphae also present but more frequent in the rhizomorphs, thick-walled, 2-4 µm wide, cyanophilous. Cystidia absent, hyphoid cystidiols may be present. Basidia clavate, 30-60 x 5-8 µm, with 4-sterigmata and a basal clamp. Basidiospores narrowly ellipsoid, 9-12 x 5-6 µm, smooth, thick-walled, yellowish, not dextrinoid, cyanophilous.
Distribution in Europe: Russia, Estonia, France, Germany, Czech Republic, Belarus, Belgium, Slovenia, Romania, Bulgaria, Portugal, Sweden, Italy, Denmark, Norway, Switzerland, Finland, Spain, Ukraine, and the Caucasus. Recorded from Liguria, Piemonte, Lombardia, Trentino Alto-Adige, Veneto, Veneto, Emilia-Romagna, Lazio, and Sicilia.
Substrata: very often on manufactured wood and on old woody hauses.
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