| Common Name | Scientific Name | Code |
| California fishscale lichen | Psora californica Timdal | PSCA6 |
| cerebral fishscale lichen | Psora cerebriformis W. A. Weber | PSCE |
| crenate fishscale lichen | Psora crenata (Taylor) Reinke | PSCR2 |
| false Russell's fishscale lichen | Psora pseudorussellii Timdal | PSPS3 |
| fishscale lichen | Psora decipiens (Hedwig) Hoffm. | PSDE60 |
| fishscale lichen | Psora Hoffm. | PSORA3 |
| fishscale lichen | Psora icterica (Mont.) Mull. Arg. | PSIC |
| fishscale lichen | Psora rubiformis (Ach.) Hook. | PSRU60 |
| fishscale lichen | Psora tenuifolia Timdal | PSTE7 |
| fishscale lichen | Psora vallesiaca (Schaerer) Timdal | PSVA |
| globe fishscale lichen | Psora globifera (Ach.) A. Massal. | PSGL2 |
| Himalaya fishscale lichen | Psora himalayana (Church. Bab.) Timdal | PSHI2 |
| Japanese fishscale lichen | Psora nipponica (Zahlbr.) Gotth. Schneider | PSNI2 |
| Lecidoma demissum | Lecidea demissa (Rutstr.) Ach. | LEDE17 |
| Lecidoma demissum | Lepidoma demissum (Rutstr.) Choisy | LEDE19 |
| Lecidoma demissum | Psora demissa (Rutstr.) Hepp | PSDE3 |
| lecidoma lichen | Lecidoma demissum (Rustr.) Gotth. Schneider & Hertel | LEDE12 |
| lecidoma lichen | Lecidoma Gotth. Schneider & Hertel | LECID4 |
| lurid fishscale lichen | Psora luridella (Tuck.) Fink | PSLU4 |
| mountain fishscale lichen | Psora montana Timdal | PSMO7 |
| Pacific fishscale lichen | Psora pacifica Timdal | PSPA3 |
| Protoblastenia calva | Protoblastenia rupestris (Scop.) Steiner var. calva (Dickson) J. Steiner | PRRUC |
| protoblastenia lichen | Protoblastenia (Zahlbr.) J. Steiner | PROTO2 |
| protoblastenia lichen | Protoblastenia calva (Dickson) Zahlbr. | PRCA4 |
| protoblastenia lichen | Protoblastenia incrustans (DC.) J. Steiner | PRIN9 |
| protoblastenia lichen | Protoblastenia rupestris (Scop.) J. Steiner | PRRU60 |
| protoblastenia lichen | Protoblastenia terricola (Anzi) Lynge | PRTE3 |
| Psora crenata | Lecidea coroniformis Krempelh. | LECO36 |
| Psora crenata | Lecidea crenata (Taylor) Stizenb. | LECR8 |
| Psora decipiens | Lecidea decipiens (Hedwig) Ach. | LEDE16 |
| Psora globifera | Lecidea globifera Ach. | LEGL14 |
| Psora icterica | Lecidea icterica (Mont.) Taylor | LEIC |
| Psora luridella | Lecidea luridella Tuck. | LELU7 |
| Psora nipponica | Lecidea novomexicana (de Lesd.) W. A. Weber ex R. Anderson | LENO5 |
| Psora nipponica | Psora novomexicana de Lesd. | PSNO |
| Psora rubiformis | Lecidea rubiformis (Ach.) Wahlenb. | LERU12 |
| Psora russellii | Lecidea russellii Tuck. | LERU14 |
| psorula lichen | Psorula Gotth. Schneider | PSORU |
| psorula lichen | Psorula rufonigra (Tuck.) Gotth. Schneider | PSRU4 |
| Psorula rufonigra | Lecidea brouardii (de Lesd.) Zahlbr. | LEBR9 |
| Psorula rufonigra | Lecidea rufonigra (Tuck.) Nyl. | LERU13 |
| Psorula rufonigra | Psora rufonigra (Tuck.) A. Schneider | PSRU6 |
| Russell's fishscale lichen | Psora russellii (Tuck.) A. Schneider | PSRU3 |
| Tuckerman's fishscale lichen | Psora tuckermanii R. Anderson ex Timdal | PSTU |