| Xylaria adscendens Fr., 1851 |
| Xylaria aenea Mont., 1855 |
| Xylaria alata F. San Martín & J. D. Rogers, 1989 |
| Xylaria albisquamula F. San Martín, J. D. Rogers & P. Lavín, 2001 |
| Xylaria albocinctoides Y.M. Ju, H.M. Hsieh & J.D. Rogers, 2012 |
| Xylaria allantoidea (Berk.) Fr., 1851 |
| Xylaria amphithele F. S. M. González & J. D. Rogers, 1989 |
| Xylaria anisopleura (Mont.) Fr., 1851 |
| Xylaria apiculata Cooke, 1879 |
| Xylaria arbuscula Sacc., 1878 |
| Xylaria aristata Mont., 1856 |
| Xylaria axifera Mont., 1855 |
| Xylaria bambooensis Lloyd, 1924 |
| Xylaria berteroi (Mont.) Cooke ex J. D. Rogers & Y. M. Ju, 2012 |
| Xylaria boergesenii (Ferd. & Winge) P. F. Cannon, 1987 |
| Xylaria brachiata Sacc., 1906 |
| Xylaria brasiliensis (Theiss.) Lloyd, 1919 |
| Xylaria brevipes Starbäck, 1901 |
| Xylaria carpophila (Pers.) Fr., 1849 |
| Xylaria castilloi F. San Martín & J. D. Rogers, 1998 |