“…It is a cosmopolitan genus characterized by a combination of resupinate to effused-reflexed or pileate basidiome with a membranaceous consistencey, hymenophore odontioid to hydnoid, a dimitic hyphal structure with clamp connections or simple-septate generative hyphae, cystidia numerous, strongly encrusted in the obtuse apex, basidia subclavate and basidiospores hyaline, thin-walled, smooth, ellipsoid to subcylindrical, acyanophilous and negative in Melzer’s reagent ( Fries, 1821 ; Gray, 1821 ; Bernicchia and Gorjón, 2010 ). So far, about 80 species have been accepted in this genus worldwide ( Fries, 1821 ; Banker, 1906 ; Banker, 1912 ; Cunningham, 1958 ; Snell and Dick, 1958 ; Lindsey and Gilbertson, 1977 ; Ryvarden, 1978 ; Lindsey and Gilbertson, 1979 ; Burdsall and Nakasone, 1981 ; Melo, 1995 ; Legon and Roberts, 2002 ; Yuan and Dai, 2005a ; Spirin et al., 2007 ; Hjortstam and Ryvarden, 2008 ; Bernicchia and Gorjón, 2010 ; Miettinen et al., 2012 ; Yuan and Wu, 2012 ; Miettinen and Ryvarden, 2016 ; Westphalen et al., 2018 ; Liu and Dai, 2021 ; Westphalen et al., 2021 ; Wu et al., 2021a ; Wu et al., 2021b ; Dong et al., 2022 ). In recent years, several new Steccherinum species were described in China, S. fragile Z.B.…”