| Xylaria frustulosa (Berk. & M. A. Curtis) Cooke, 1883 |
| Xylaria gracillima (Fr.) Fr., 1851 |
| Xylaria grammica (Mont.) Mont., 1851 |
| Xylaria guazumae F. San Martín & J. D. Rogers, 1989 |
| Xylaria guianensis (Mont.) Fr., 1851 |
| Xylaria heliscus (Mont.) J. D. Rogers & Y. M. Ju, 1998 |
| Xylaria hyperythra (Mont.) Mont., 1856 |
| Xylaria hypoxylon (L.) Grev., 1824 |
| Xylaria ianthinovelutina (Mont.) Fr., 1835 |
| Xylaria inaequalis Berk. & M. A. Curtis, 1868 |
| Xylaria jaliscoensis F. San Martín, J.D. Rogers & Y.M. Ju, 2002 |
| Xylaria juniperus Starbäck, 1901 |
| Xylaria juniperus var. asperula Starbäck, 1901 |
| Xylaria juniperus var. juniperus Starbäck, 1901 |
| Xylaria juruensis Henn., 1904 |
| Xylaria kegeliana (Lév.) Fr., 1851 |
| Xylaria laevis Lloyd, 1918 |
| Xylaria lancea Lloyd, 1918 |
| Xylaria liquidambaris J. D. Rogers, Y. M. Ju & F. San Martín, 2002 |
| Xylaria longiana Rehm, 1904 |