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Page number:638 
Remarks (public):it is distinguished from the Stereum hirsutum complex (S. hirsutum, S. subtomentosum and S. gausapatum) by its thinner fruitbody, tomentum with long white hairs pointing toward the margin, duller colour of hymenium, its tendency to colonize twigs, and lack of a dark line between tomentum and context. 
Description type:Non-original description 
Description:Stereum ochraceoflavum (Schwein.) Sacc., Syll. fung. (Abellini) 6: 576, 1888.
Bas.: Thelephora ochraceoflava Schwein., Syn. Fung. Amer. bor.: no. 649, 1831.
Basidiome at first orbicular, effuse-reflexed, usually confluent, thin (up to 0.5 mm), elastic and tough, upper sterile surface tomentose to pilose with long white hairs pointed towards the margin, indistinctly zonate, whitish to ochraceous, greenish by the algal presence, hymenophore smooth, ochraceous, cream to pale yellowish orange. Hyphal system dimitic, generative hyphae simple-septate, thin- to thick-walled, 2-3 µm wide, skeletal hyphae thick-walled, 4-6 µm wide, usually ending in skeletocystidia, all hyphae strongly glued together. Cystidia of two kinds: 1) pseudocystidia, slightly thick-walled except in the apical part, 80-100 x 5-7 µm wide, hyaline to yellowish, 2) acutocystidia, 25-35 x 3-4 µm, with pointed apex and slightly projecting. Basidia tubular, 25-30 x 4-6 µm, with 4-sterigmata, and with a simple basal septum. Basidiospores cylindrical to narrowly ellipsoid, 6-9 x 1.5-2.5 µm, smooth, thin-walled, hyaline, amyloid.
Distribution in Europe: Russia, Turkey, Estonia, France, Czech Republic, Belgium, Slovenia, Portugal, Turkey, Italy, Switzerland, Spain(?), Ukraine, and the Caucasus. Uncommon species in Europe. Recorded from Liguria, Trentino Alto-Adige, Friuli Venezia-Giulia, Emilia-Romagna, Toscana and Lazio Regions, but with sporadic presences.
Substrata: on Quercus spp. and Malus.
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