| Psora Hoffm., 1796 |
| Psora brunneocarpa Timdal, 2002 |
| Psora crenata (Taylor) Reinke, 1895 |
| Psora decipiens (Hedw.) Hoffm., 1794 |
| Psora icterica (Mont.) Müll. Arg., 1888 |
| Psora luridella (Tuck.) Fink, 1935 |
| Psora nipponica (Zahlbr.) Gotth. Schneid., 1980 |
| Psora nitida Timdal, 1987 |
| Psora pacifica Timdal, 1987 |
| Psora peninsularis Timdal, 2002 |
| Psora pruinosa Timdal, 2002 |
| Psora pseudorussellii Timdal, 1987 |
| Psora russellii Tuck. A. Schneid., 1897 |
| Psora tuckermanii R.A. Anderson ex Timdal, 1987 |
| Psoraceae Zahlbr., 1898 |