| Ulnaria aequalis (Kütz.) D.M. Williams & Van de Vijver, 2021 |
| Ulnaria amphirhynchus (Ehrenb.) Compère & Bukhtiyarova, 2006 |
| Ulnaria biceps (Kütz.) P. Compère, 2001 |
| Ulnaria contracta (Østrup) E.A. Morales & M.L. Vis, 2007 |
| Ulnaria danica (Kütz.) P. Compère & Bukhtiyarova, 2006 |
| Ulnaria delicatissima (W. Sm.) M. Aboal & P.C. Silva, 2004 |
| Ulnaria delicatissima var. angustissima (Grunow) Aboal & P.C. Silva, 2004 |
| Ulnaria goulardii (Bréb. ex Cleve & Grunow) D.M. Williams, Potapova & C.E. Wetzel, 2022 |
| Ulnaria lanceolata (Kütz.) P. Compère, 2001 |
| Ulnaria obtusa (W. Smith) Reichardt, 2018 |
| Ulnaria oxyrhynchus (Kütz.) Aboal, 2003 |
| Ulnaria ramesii (Héribaud) T. Ohtsuka, 2007 |
| Ulnaria subaequalis (Grunow) D.M. Williams & Van de Vijver, 2023 |
| Ulnaria ulna (Nitzsch) P. Compère, 2001 |
| Ulnaria ulna var. aequalis (Kütz.) Aboal, 2003 |
| Ulnaria ulna var. spathulifera (Grunow) M. Aboal, 2003 |
| Ulnaria ulna var. subaequalis (Grunow) M. Aboal, 2003 |
| Ulnaria ulna var. ulna (Nitzsch) P. Compère, 2001 |