| Common Name | Scientific Name | Code |
| n/a | Bactrospora brevispora R. C. Harris | BABR6 |
| n/a | Bactrospora brodoi Egea & Torrente | BABR7 |
| n/a | Bactrospora clementis (Hasse) | BACL2 |
| n/a | Bactrospora denticulata (Vainio) Egea & Torrente | BADE7 |
| n/a | Bactrospora macrospora R. C. Harris | BAMA12 |
| n/a | Bactrospora mesospora R. C. Harris | BAME6 |
| n/a | Bactrospora myriadea (Fee) Egea & Torrente | BAMY2 |
| n/a | Bactrospora spiralis Egea & Torrente | BASP5 |
| n/a | Cresponea chloroconia (Tuck.) Egea & Torrente | CRCH14 |
| n/a | Cresponea Egea & Torrente | CRESP |
| n/a | Cresponea flava (Vainio) Egea & Torrente | CRFL21 |
| n/a | Cresponea leprieurii (Mont.) Egea & Torrente | CRLE17 |
| n/a | Cresponea premnea (Ach.) Egea & Torrente | CRPR7 |
| n/a | Cresponea premnea (Ach.) Egea & Torrente var. saxicola (Leighton) Egea & Torrente | CRPRS |
| n/a | Cresponea proximata (Nyl.) Egea & Torrente | CRPR8 |
| n/a | Enterographa lecanoroides R. C. Harris | ENLE4 |
| n/a | Enterographa quassiicola Fee | ENQU |
| n/a | Enterographa zonata (Korber) Kallsten | ENZO |
| n/a | Lecanactis akompsa (Tuck.) | LEAK |
| n/a | Lecanactis subattigens (Nyl.) R. C. Harris | LESU38 |
| n/a | Opegrapha aurantiaca de Lesd. | OPAU9 |
| n/a | Opegrapha cypressi R. C. Harris | OPCY2 |
| n/a | Opegrapha glaucomaria (Nyl.) Kallsten | OPGL |
| n/a | Opegrapha gyrocarpa Flotow | OPGY |
| n/a | Opegrapha lamyi (O. J. Rich. ex Nyl.) Triebel | OPLA5 |
| n/a | Opegrapha pulvinata Rehm | OPPU5 |
| n/a | Opegrapha quaternella Nyl. | OPQU |
| n/a | Opegrapha ravenelii (Tuck.) Tehler | OPRA3 |
| n/a | Opegrapha sorediifera P. James | OPSO |
| n/a | Opegrapha sphaerophoricola Isbrand & Alstrup | OPSP8 |
| n/a | Opegrapha staurothelicola (Fink) | OPST6 |
| n/a | Schismatomma glaucescens (Nyl. ex Willey) R. C. Harris | SCGL10 |
| n/a | Schismatomma pericleum (Ach.) Branth & Rostrup | SCPE6 |
| Bactrospora denticulata | Bactrospora integrispora Seaver | BAIN14 |
| Bactrospora dryina | Bacidia dryina (Ach.) Fink | BADR2 |
| bactrospora lichen | Bactrospora A. Massal. | BACTR |
| bactrospora lichen | Bactrospora dryina (Ach.) A. Massal. | BADR |
| bactrospora lichen | Bactrospora patellarioides (Nyl.) Vainio | BAPA6 |
| Bactrospora myriadea | Bactrospora nematospora R. C. Harris | BANE3 |
| Bactrospora patellarioides | Bacidia clementis Hasse | BACL |
| Bactrospora patellarioides | Lecanactis patellarioides (Nyl.) Vainio | LEPA27 |
| Bonpland's scribble lichen | Opegrapha bonplandii Fee | OPBO2 |
| calcareous scribble lichen | Opegrapha calcarea Turner ex Sm. & Sowerby | OPCA9 |
| California sclerophyton lichen | Sclerophyton californicum (Tuck.) Hasse | SCCA14 |
| chiodecton lichen | Chiodecton Ach. | CHIOD |
| chiodecton lichen | Chiodecton sphaerale Ach. | CHSP8 |
| chiodecton lichen | Chiodecton subochroleucum Fink | CHSU15 |
| Cresponea chloroconia | Lecanactis chloroconia Tuck. | LECH5 |
| Cresponea premnea | Lecanactis premnea (Ach.) Arnold | LEPR7 |
| Enterographa lecanoroides | Schismatomma palidellum auct. | SCPA16 |
| enterographa lichen | Enterographa Fee | ENTER4 |
| Hasse's scribble lichen | Opegrapha hassei Zahlbr. | OPHA |
| Lecanactis abietina | Lecanactis megaspora (G. Merr.) Brodo | LEME6 |
| Lecanactis akompsa | Bacidia akompsa (Tuck.) Fink | BAAK |
| Lecanactis subattigens | Schismatomma subattigens (Nyl.) Zahlbr. | SCSU7 |
| Malme's chiodecton lichen | Chiodecton malmei Thor | CHMA16 |
| old wood rimmed lichen | Lecanactis abietina (Ach.) Korber | LEAB |
| old wood rimmed lichen | Lecanactis dubia G. Merr. | LEDU2 |
| old wood rimmed lichen | Lecanactis Korber | LECAN2 |
| old wood rimmed lichen | Lecanactis salicina Zahlbr. | LESA5 |
| Opegrapha glaucomaria | Leciographa glaucomaria (Nyl.) H. Olivier | LEGL21 |
| Opegrapha herbarum | Opegrapha betulina Sm. | OPBE2 |
| Opegrapha lamyi | Leciographa lamyi (O. J. Rich. ex Nyl.) Sacc. & D. Sacc. | LELA17 |
| Opegrapha longissima | Graphis atrorubens Tuck. ex Fink | GRAT |
| Opegrapha protuberans | Opegrapha prosiliens Stirton | OPPR4 |
| Opegrapha pulvinata | Opgraphoidea pulvinata (Rehm) Fink | OPPU6 |
| Opegrapha quaternella | Opgraphoidea quaternella (Nyl.) FInk | OPQU2 |
| Opegrapha ravenelii | Lecanactis ravenelii (Tuck.) R. C. Harris | LERA14 |
| Opegrapha ravenelii | Platygrapha ravenelii Tuck. | PLRA4 |
| Opegrapha ravenelii | Schismatomma ravenelii (Tuck.) Zahlbr. | SCRA5 |
| Opegrapha rufescens | Opegrapha herpetica Ach. | OPHE3 |
| Opegrapha rupestris | Opegrapha saxicola Ach. | OPSA2 |
| Opegrapha staurothelicola | Opgraphoidea staurothelicola Fink | OPST7 |
| Opegrapha varia | Opegrapha diaphora (Ach.) Ach. | OPDI6 |
| Opegrapha varia | Opegrapha lichenoides Pers. | OPLI6 |
| Opegrapha varia | Opegrapha pulicaris auct. | OPPU4 |
| Opegrapha varia | Opegrapha rimalis Pers. ex Ach. | OPRI |
| Opegrapha vulgata | Opegrapha cinerea Chevall. | OPCI |
| perplexed chiodecton lichen | Chiodecton perplexum Nyl. | CHPE11 |
| Rapp's schismatomma lichen | Schismatomma rappii (Zahlbr.) R. C. Harris | SCRA4 |
| schismatomma lichen | Schismatomma Flotow & Korber ex A. Massal. | SCHIS7 |
| schismatomma lichen | Schismatomma pluriloculare Zahlbr. | SCPL3 |
| schismatomma lichen | Schismatomma rediunta (Hasse) Tehler | SCRE6 |
| schismatomma lichen | Schismatomma vernans (Tuck.) Zahlbr. | SCVE6 |
| Schismatomma pericleum | Schismatomma abietinum (Humb.) A. Massal. | SCAB |
| Schismatomma rappii | Haematomma rappii Zahlbr. | HARA4 |
| Schismatomma rediunta | Dirina rediunta Hasse | DIRE11 |
| Sclerophyton inscriptum | Chiodecton inscriptum (Nyl.) Fink | CHIN19 |
| sclerophyton lichen | Sclerophyton Eschw. | SCLER13 |
| sclerophyton lichen | Sclerophyton inscriptum (Nyl.) Mull. Arg. | SCIN8 |
| scribble lichen | Opegrapha Ach. | OPEGR |
| scribble lichen | Opegrapha agelaea Fee | OPAG2 |
| scribble lichen | Opegrapha astraea Tuck. | OPAS |
| scribble lichen | Opegrapha atra Pers. | OPAT3 |
| scribble lichen | Opegrapha candida Mull. Arg. | OPCA10 |
| scribble lichen | Opegrapha filicina Mont. | OPFI2 |
| scribble lichen | Opegrapha herbarum Mont. | OPHE2 |
| scribble lichen | Opegrapha leucoplaca Mull. Arg. | OPLE4 |
| scribble lichen | Opegrapha lithryga Ach. | OPLI5 |
| scribble lichen | Opegrapha longissima Mull. Arg. | OPLO2 |
| scribble lichen | Opegrapha microcycla Tuck. | OPMI3 |
| scribble lichen | Opegrapha niveoatra (Borrer) J. R. Laundon | OPNI3 |
| scribble lichen | Opegrapha ochrocheila Nyl. | OPOC4 |
| scribble lichen | Opegrapha prosodea Ach. | OPPR2 |
| scribble lichen | Opegrapha protuberans Zahlbr. | OPPR3 |
| scribble lichen | Opegrapha rufescens Pers. | OPRU7 |
| scribble lichen | Opegrapha rupestris Pers. | OPRU8 |
| scribble lichen | Opegrapha varia Pers. | OPVA2 |
| scribble lichen | Opegrapha viridis (Pers. ex Ach.) Behlen & Desberger | OPVI3 |
| scribble lichen | Opegrapha vulgata Ach. | OPVU4 |
| umbel scribble lichen | Opegrapha umbellulariae Zahlbr. | OPUM |
| western sclerophyton lichen | Sclerophyton occidentale Herre | SCOC8 |
| yellow chiodecton lichen | Chiodecton ochroleucum Zahlbr. | CHOC4 |