Basionym Name:Hypoxylon obtusissimum Berk., Ann. Mag. nat. Hist., Ser. 2 9: 202 (1852)
Homotypic synonyms:Xylaria obtusissima (Berk.) Sacc., Syll. fung. (Abellini) 1: 318 (1882)Xylaria obtusissima var. obtusissima (Berk.) Sacc., Syll. fung. (Abellini) 1: 318 (1882)