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Page number:612 
Remarks (public):S. confluens usually produces pileate basidiocarps, an unusual character in the genus. The other three poroid species in Europe have resupinate basidiocarps. 
Description type:Non-original description 
Description:Sistotrema confluens Pers.:Fr., Syst. Mycol. 1:426, 1821; Sistotrema confluens Pers. Neues Mag. Bot. 1:108, 1794. Basidiocarps laterally to eccentrically stipitate, effused-reflexed, or occasionally resupinate; pileus up to 2 cm in diam, spatulate to infundibuliform; upper surface pale buff on dried specimens, glabrous to finely tomentose; hymenophore poroid to hydnaceous, decurrent; stipe glabrous, pale buff, up to 1 cm long and 3 mm in diam. Hyphal system monomitic; subicular hyphae thin-walled, with abundant clamps, with occasional branching, 2-5 µm in diam.
Cystidia or other sterile hymenial elements lacking.
Basidia mostly urniform, mostly 6-sterigmate, 20-25 x 6-8 µm, some up to 45 µm long, with a basal clamp.
Basidiospores short-cylindric to oblong, hyaline, smooth, negative in Melzer's reagent. 4-5.5 x 2-2.5 µm.
Type of rot. White rot of dead hardwoods.
Sexuality. Unknown.
Substrata. Mostly on the ground among litter of all kinds, but also noted on dead wood of hardwoods and conifers such as Fagus, Populus, Quercus, Larix and Pinus. Distribution. Widely distributed in conifer forest regions of Europe, but not known from Great Britain. Circumpolar species.
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