| Common Name | Scientific Name | Code |
| n/a | Bacidina aenea S. Ekman | BAAE2 |
| n/a | Bacidina apiahica (Mull. Arg.) Vezda | BAAP2 |
| n/a | Bacidina arnoldiana (Korber) Wirth & Vezda | BAAR9 |
| n/a | Bacidina assulata (Korber) S. Ekman | BAAS4 |
| n/a | Bacidina californica S. Ekman | BACA17 |
| n/a | Bacidina chloroticula (Nyl.) Vezda & Poelt | BACH6 |
| n/a | Bacidina crystallifera S. Ekman | BACR5 |
| n/a | Bacidina egenula (Nyl.) Vezda | BAEG4 |
| n/a | Bacidina egenuloidea (Fink) S. Ekman | BAEG5 |
| n/a | Bacidina inundata (Fr.) Vezda | BAIN12 |
| n/a | Bacidina phacodes (Korber) Vezda | BAPH2 |
| n/a | Bacidina ramea S. Ekman | BARA6 |
| n/a | Bacidina squamellosa S. Ekman | BASQ |
| n/a | Bacidina varia S. Ekman | BAVA4 |
| n/a | Bacidina Vezda | BACID2 |
| n/a | Bryonora pruinosa (Th. Fr.) Holtan-Hartwig | BRPR4 |
| n/a | Bryonora septentrionalis Holtan-Hartwig | BRSE9 |
| n/a | Carbonea aggregantula (Mull. Arg.) Diederich & Triebel | CAAG4 |
| n/a | Carbonea assimilis (Korber) Th. Fr. | CAAS13 |
| n/a | Carbonea intrusa (Th. Fr.) Rambold & Triebel | CAIN48 |
| n/a | Carbonea latypizodes (Nyl.) Knoph & Rambold | CALA75 |
| n/a | Lecanora albella (Pers.) Ach. | LEAL36 |
| n/a | Lecanora albella (Pers.) Ach. var. albella | LEALA2 |
| n/a | Lecanora albella (Pers.) Ach. var. rubescens (Imshaug & Brodo) Lumbsch | LEALR |
| n/a | Lecanora argentea Oksner & Volkova | LEAR31 |
| n/a | Lecanora brodoana Lumbsch & T. Nash | LEBR13 |
| n/a | Lecanora cavicola Creveld | LECA67 |
| n/a | Lecanora comoduensis T. Nash & Hertel | LECO39 |
| n/a | Lecanora crustacea (Savicz) Zahlbr. | LECR13 |
| n/a | Lecanora hypopta (Ach.) Vainio | LEHY13 |
| n/a | Lecanora kofae B. D. Ryan & T. Nash | LEKO4 |
| n/a | Lecanora laatokkaensis (Rasanen) Poelt | LELA32 |
| n/a | Lecanora mazatzalensis B. D. Ryan & T. Nash | LEMA22 |
| n/a | Lecanora orosthea (Ach.) Ach. | LEOR8 |
| n/a | Lecanora phaedrophthalma Poelt | LEPH9 |
| n/a | Lecanora placidensis (Magnusson) Knoph, Leuckert & Rambold | LEPL13 |
| n/a | Lecanora poliophaea (Wahlenb.) Ach. | LEPO17 |
| n/a | Lecanora pseudomellea B. D. Ryan | LEPS3 |
| n/a | Lecanora rubicunda Bagl. | LERU15 |
| n/a | Lecanora sierrae B. D. Ryan & T. Nash | LESI9 |
| n/a | Lecanora sulphurea (Hoffm.) Ach. | LESU27 |
| n/a | Lecanora tenera (Nyl.) Crombie | LETE24 |
| n/a | Lecanora xylophila Hue | LEXY |
| n/a | Lecidella asema (Nyl.) Korber | LEAS2 |
| n/a | Lecidella chodatii (Sampaio) Knoph & Leuckert | LECH17 |
| n/a | Lecidella enteroleucella (Nyl.) Hertel | LEEN4 |
| n/a | Lecidella latypiza (Nyl.) Choisy | LELA33 |
| n/a | Lecidella laureri (Hepp) Korber | LELA35 |
| n/a | Lecidella meiococca (Nyl.) Leuckert & Hertel | LEME21 |
| n/a | Megalaria albocincta (Degel.) Tonsberg | MEAL14 |
| n/a | Megalaria brodoana S. Ekman & Tonsbeg | MEBR8 |
| n/a | Megalaria columbiana (G. Merr.) S. Ekman | MECO20 |
| n/a | Megalaria laureri (Th. Fr.) Hafellner | MELA15 |
| n/a | Megalaria pulverea (Borrer) Hafellner & Schreiner | MEPU13 |
| n/a | Miriquidica atrofulva (Sommerf.) A. J. Schwab & Rambold | MIAT3 |
| n/a | Miriquidica plumbeoatra (Vainio) A. J. Schwab & Rambold | MIPL4 |
| n/a | Miriquidica pulvinata (Arnold) Hertel & Rambold | MIPU17 |
| n/a | Phacopsis oxyspora (Tul.) Triebel & Rambold var. defecta Triebel & Rambold | PHOXD |
| n/a | Phacopsis oxyspora (Tul.) Triebel & Rambold var. fusca Triebel & Rambold | PHOXF |
| n/a | Phacopsis oxyspora (Tul.) Triebel & Rambold var. oxyspora | PHOXO |
| n/a | Phacopsis thallicola (A. Massal.) Triebel & Rambold | PHTH4 |
| n/a | Protoparmelia cupreoalbida (Nyl.) Poelt | PRCU4 |
| n/a | Protoparmelia nephaea (Sommerf.) R. Sant. | PRNE2 |
| n/a | Pyrrhospora cinnabarina (Sommerf.) Choisy | PYCI4 |
| n/a | Pyrrhospora elabens (Fr.) Hafellner | PYEL5 |
| n/a | Pyrrhospora russula (Ach.) Hafellner | PYRU3 |
| n/a | Pyrrhospora subcinnabarina (Tonsberg) Hafellner | PYSU10 |
| n/a | Rhizoplaca subdiscrepans (Nyl.) R. Sant. | RHSU13 |
| n/a | Scoliciosporum sarothamni (Vainio) Vezda | SCSA7 |
| Alaskan rim lichen | Lecanora alaskensis H. Magn. | LEAL11 |
| Aleutian rim lichen | Lecanora aleutica H. Magn. | LEAL14 |
| Appalachian rim lichen | Lecanora cinereofusca H. Magn. var. appalachensis Brodo | LECIA |
| Applegate's rim lichen | Lecanora applegatei Herre | LEAP3 |
| arctic rim lichen | Lecanora circumborealis Brodo & Vitik. | LECI5 |
| arctopeltis lichen | Arctopeltis Poelt | ARCTO9 |
| Arizona omphalora | Omphalora arizonica (Tuck. ex Willey) T. Nash & Hafellner | OMAR |
| Bacidina apiahica | Bacidia aphiahica (Mull. Arg.) Zahlbr. | BAAP |
| Bacidina arnoldiana | Bacidia arnoldiana Korber | BAAR5 |
| Bacidina assulata | Bacidia assulata (Korber) Vezda | BAAS |
| Bacidina assulata | Bacidia effusa auct. | BAEF |
| Bacidina californica | Bacidia phacodes auct. | BAPH |
| Bacidina egenula | Bacidia egenula (Nyl.) Arnold | BAEG2 |
| Bacidina egenuloidea | Bacidia egenuloidea Fink | BAEG3 |
| Bacidina inundata | Bacidia inundata (Fr.) Korber | BAIN6 |
| Bacidina phacodes | Bacidia albescens (Krempelh.) Zwackh | BAAL8 |
| Behring's rim lichen | Lecanora behringii Nyl. | LEBE60 |
| Bolander's cladidium lichen | Cladidium bolanderi (Tuck.) B. D. Ryan | CLBO6 |
| Brouard's rim lichen | Lecanora brouardii (de Lesd.) | LEBR5 |
| Bryonora castanea | Lecanora castanea (Hepp) Th. Fr. | LECA42 |
| Bryonora curvescens | Lecania curvescens (Mudd) A. L. Sm. | LECU8 |
| bryonora lichen | Bryonora castanea (Hepp) Poelt | BRCA13 |
| bryonora lichen | Bryonora curvescens (Mudd) Poelt | BRCU2 |
| bryonora lichen | Bryonora Poelt | BRYON2 |
| California rim lichen | Lecanora californica Brodo | LECA22 |
| Canadian rim lichen | Lecanora canadensis Lynge & H. Magn. | LECA24 |
| Carbonea assimilis | Lecidea assimilis (Korber) Th. Fr. | LEAS3 |
| Carbonea atronivea | Lecidea atronivea Arnold | LEAT13 |
| carbonea lichen | Carbonea (Hertel) Hertel | CARBO2 |
| carbonea lichen | Carbonea atronivea (Arnold) Hertel | CAAT21 |
| carbonea lichen | Carbonea vitellinaria (Nyl.) Hertel | CAVI19 |
| carbonea lichen | Carbonea vorticosa (Florke) Hertel | CAVO60 |
| Carbonea vitellinaria | Lecidea vitellinaria Nyl. | LEVI21 |
| Carbonea vorticosa | Lecidea vorticosa (Florke) Korber | LEVO2 |
| Cladidium bolanderi | Cladidium thamnitis (Tuck.) Hafellner | CLTH3 |
| Cladidium bolanderi | Lecanora bolanderi Tuck. | LEBO6 |
| Cladidium bolanderi | Lecanora thamnitis Tuck. | LETH11 |
| cladidium lichen | Cladidium Hafellner | CLADI2 |
| clauzadeana | Clauzadeana macula (Taylor) Coppins & Rambold | CLMA19 |
| clauzadeana | Clauzadeana Roux | CLAUZ2 |
| Clauzadeana macula | Lecanora morioides (Blomb. ex Arnold) Blomb. | LEMO11 |
| compact scloiciosporum lichen | Scoliciosporum umbrinum (Ach.) Arnold var. compacta (Korber) Vezda | SCUMC |
| crenulate rim lichen | Lecanora crenulata Hook. | LECR2 |
| darkmargin rim lichen | Lecanora nigromarginata H. Magn. | LENI4 |
| Edrudia constipans | Caloplaca constipans (Nyl.) Zahlbr. | CACO67 |
| edrudia lichen | Edrudia constipans (Nyl.) W. P. Jordan | EDCO |
| edrudia lichen | Edrudia W. P. Jordan | EDRUD |
| Elmore's rim lichen | Lecanora elmorei E. D. Rudolph | LEEL5 |
| Flowers's rim lichen | Lecanora flowersiana H. Magn. | LEFL8 |
| Garovagl's miriquidica lichen | Miriquidica garovaglii (Schaerer) Hertel & Rambold | MIGA3 |
| Garovagl's rim lichen | Lecanora garovaglii (Korber) Zahlbr. | LEGA4 |
| golden rimmed navel lichen | Rhizoplaca chrysoleuca (Sm.) Zopf | RHCH61 |
| Greenland rim lichen | Lecanora groenlandica Lynge | LEGR13 |
| Hagen's rim lichen | Lecanora hagenii (Ach.) Ach. | LEHA7 |
| Hayden's rimmed navel lichen | Rhizoplaca haydenii (Tuck.) W. A. Weber | RHHA3 |
| Huuskonen's phacopsis lichen | Phacopsis huuskonenii Rasanen | PHHU2 |
| Imshaug's rim lichen | Lecanora imshaugii Brodo | LEIM2 |
| intricate rim lichen | Lecanora intricata (Ach.) Ach. | LEIN60 |
| Iowa rim lichen | Lecanora iowensis Fink | LEIO |
| Lecanora albella var. albella | Lecanora pallida (Schreber) Rebenh. | LEPA40 |
| Lecanora albella var. rubescens | Lecanora pallida (Schreber) Rabenh. var. rubescens Imshaug & Brodo | LEPAR |
| Lecanora allophana | Lecanora subfusca (L.) Ach. | LESU20 |
| Lecanora argentata | Lecanora subfuscata H. Magn. | LESU21 |
| Lecanora argentea | Lecanora fuliginosa Brodo | LEFU3 |
| Lecanora argopholis | Lecanora frustulosa (Dickson) Ach. | LEFR7 |
| Lecanora argopholis | Lecanora occidentalis (Lynge) Lynge | LEOC5 |
| Lecanora argopholis | Lecanora oregana Tuck. | LEOR7 |
| Lecanora brouardii | Parmularia brouardii de Lesd. | PABR9 |
| Lecanora cadubriae | Lecidea cadubriae (A. Massal.) Nyl. | LECA43 |
| Lecanora cadubriae | Lecidea ramulicola H. Magn. | LERA9 |
| Lecanora caesiorubella ssp. caesiorubella | Lecanora cancriformis (Hoffm.) Vainio | LECA40 |
| Lecanora caesiorubella ssp. prolifera | Lecanora caseiorubella Ach. ssp. lathamii Imshaug & Brodo | LECAL2 |
| Lecanora caesiorubella ssp. prolifera | Lecanora subpallida G. Merr. | LESU24 |
| Lecanora caulophylla | Lecidea caulophylla (Tuck.) Zahlbr. | LECA49 |
| Lecanora cenisia | Lecanora atrynea (Ach.) Rohl. | LEAT9 |
| Lecanora cinereofusca var. cinereofusca | Lecanora degelii Schauer & Brodo | LEDE14 |
| Lecanora circumborealis | Lecanora coilocarpa auct. | LECO27 |
| Lecanora demissa | Lecanora incusa (Fr.) Vainio | LEIN15 |
| Lecanora demissa | Lecanora subolivascens Nyl. | LESU23 |
| Lecanora expallens | Lecanora conizaea (Ach.) Nyl. ex Crombie | LECO44 |
| Lecanora fuscescens | Lecidea fuscescens Sommerf. | LEFU18 |
| Lecanora garovaglii | Lecanora cascadensis H. Magn. | LECA26 |
| Lecanora garovaglii | Lecanora nevadensis H. Magn. | LENE11 |
| Lecanora geophila | Lecanora pachythallina Lynge | LEPA28 |
| Lecanora geophila | Lecanora superfluens H. Magn. | LESU28 |
| Lecanora horiza | Lecanora parisiensis Nyl. | LEPA30 |
| Lecanora hybocarpa | Lecanora pseudochlarotera Brodo | LEPS2 |
| Lecanora hypopta | Lecidea hypopta Ach. | LEHY8 |
| Lecanora impudens | Lecanora chloropolia (Erichsen) Almb. | LECH13 |
| Lecanora impudens | Lecanora variolascens auct. | LEVA6 |
| Lecanora intricata | Lecanora mutabilis Sommerf. | LEMU8 |
| Lecanora marginata | Lecidea amylacea Ach. | LEAM7 |
| Lecanora marginata | Lecidea elata Schaerer | LEEL11 |
| Lecanora marginata | Lecidea marginata Schaerer | LEMA20 |
| Lecanora marginata | Lecidea purissima Darbish. | LEPU14 |
| Lecanora muralis | Lecanora diffracta Ach. | LEDI17 |
| Lecanora muralis | Protoparmeliopsis muralis (Schreber) Choisy | PRMU4 |
| Lecanora muralis var. versicolor | Lecanora versicolor (Pers.) Ach. | LEVE9 |
| Lecanora novomexicana | Parmularia novomexicana de Lesd. | PANO5 |
| Lecanora oreinoides | Lecanora hypospilota Vainio | LEHY10 |
| Lecanora oreinoides | Lecanora tesselina (Tuck.) Zahlbr. | LETE15 |
| Lecanora oreinoides | Lecidea oreinodes (Korber) W. A. Weber & Hertel | LEOR9 |
| Lecanora oreinoides | Lecidea tennessensis Nyl. | LETE19 |
| Lecanora oreinoides | Lecidea tesselina Tuck. | LETE20 |
| Lecanora orosthea | Lecidea orosthea (Ach.) Ach. | LEOR6 |
| Lecanora pacifica | Lecanora tetraspora H. Magn. | LETE16 |
| Lecanora phaedrophthalma | Lecanora christoi W. A. Weber | LECH8 |
| Lecanora phaeophora | Lecidea phaeophora Stizenb. | LEPH7 |
| Lecanora placidensis | Fuscidea placidensis (H. Magn.) R. C. Harris | FUPL |
| Lecanora placidensis | Lecidea placidensis H. Magn. | LEPL10 |
| Lecanora placidensis | Lecidella placidensis (H. Magn.) R. C. Harris | LEPL6 |
| Lecanora populicola | Lecanora distans (Pers. ex Ach.) Nyl. | LEDI20 |
| Lecanora pringlei | Lecidea pringlei Tuck. | LEPR15 |
| Lecanora pseudistera | Lecanora galactinula Vainio | LEGA5 |
| Lecanora pulicaris | Lecanora chlorona (Ach.) Nyl. | LECH12 |
| Lecanora pulicaris | Lecanora coilocarpa (Ach.) Nyl. | LECO28 |
| Lecanora pulicaris | Lecanora pinastri (Schaerer) H. Magn. | LEPI8 |
| Lecanora rubicunda | Lecanora sylvestris (Nyl.) Zahlbr. | LESY7 |
| Lecanora rupicola | Glaucomaria rupicola (L.) Choisy | GLRU3 |
| Lecanora rupicola | Lecanora sordida (Pers.) Th. Fr. | LESO7 |
| Lecanora saligna | Lecanora effusa (Hoffm.) Ach. | LEEF2 |
| Lecanora saligna | Lecanoropsis saligna (Schrader) Choisy | LESA18 |
| Lecanora scotopholis | Lecidea scotopholis (Tuck.) Herre | LESC12 |
| Lecanora scotopholis | Psorula scotopholis (Tuck.) Gotth. Schneider | PSSC12 |
| Lecanora stenospora | Acarospora stenospora (Stizenb.) Hue | ACST4 |
| Lecanora strobilina | Lecanora conizaea auct. | LECO31 |
| Lecanora sulphurea | Lecidea sulphurea (Hoffm.) Wahlenb. | LESU18 |
| Lecanora symmicta | Lecanora symmictera Nyl. | LESY3 |
| Lecanora symmicta | Lecidea symmicta (Ach.) Ach. | LESY6 |
| Lecanora tenera | Lecania tenera (Nyl.) Clauzade & Roux | LETE26 |
| Lecanora xylophila | Lecanora eyerdamii Herre | LEEY |
| Lecanora xylophila | Lecanora grantii H. Magn. | LEGR11 |
| Lecanora xylophila | Lecanora laevis Poelt | LELA21 |
| Lecanora xylophila | Lecanora riparia G. Merr. | LERI4 |
| Lecanora zosterae | Lecanora palanderi Vainio | LEPA29 |
| Lecidella anomaloides | Lecidea goniophila auct. | LEGO5 |
| Lecidella anomaloides | Lecidella goniophila auct. | LEGO6 |
| Lecidella asema | Lecidea catalinaria Stizenb. | LECA48 |
| Lecidella asema | Lecidella elaeochromoides (Nyl.) Knoph & Hertel | LEEL8 |
| Lecidella asema | Lecidella subincongrua (Nyl.) Hertel & Leuckert var. elaeochromoides (Nyl.) Hertel & Leuckert | LESUE |
| Lecidella carpathica | Lecidea carpathica (Korber) Szat. | LECA47 |
| Lecidella carpathica | Lecidea evansii H. Magn. | LEEV |
| Lecidella carpathica | Lecidea latypea auct. | LELA25 |
| Lecidella carpathica | Lecidea latypiza Nyl. | LELA27 |
| Lecidella carpathica | Lecidea subcontinuior de Lesd. | LESU32 |
| Lecidella effugiens | Lecidea albidocinerella (Vainio) Vainio | LEAL30 |
| Lecidella effugiens | Lecidella incongruella (Vainio) Hertel & Leuckert | LEIN21 |
| Lecidella elaeochroma | Lecidea elaeochroma (Ach.) Ach. | LEEL10 |
| Lecidella elaeochroma | Lecidea limitata auct. | LELI10 |
| Lecidella elaeochroma | Lecidea olivacea (Hoffm.) A. Massal. | LEOL4 |
| Lecidella euphorea | Lecidea euphorea (Florke) Nyl. | LEEU2 |
| Lecidella euphorea | Lecidea glomerulosa (DC.) Steudel | LEGL15 |
| Lecidella euphorea | Lecidella glomerulosa (DC.) Choisy | LEGL16 |
| Lecidella granulata | Lecidea granulata H. Magn. | LEGR17 |
| lecidella lichen | Lecidella anomaloides (A. Massal.) Hertel & R. Kilias | LEAN8 |
| lecidella lichen | Lecidella bullata Korber | LEBU3 |
| lecidella lichen | Lecidella carpathica Korber | LECA35 |
| lecidella lichen | Lecidella dimelaenophila Hertel | LEDI14 |
| lecidella lichen | Lecidella effugiens (Nilson) Knoph & Hertel | LEEF |
| lecidella lichen | Lecidella elaeochroma (Ach.) Hazsl. | LEEL7 |
| lecidella lichen | Lecidella euphorea (Florke) Hertel | LEEU |
| lecidella lichen | Lecidella flavosorediata (Vezda) Hertel & Leuckert | LEFL11 |
| lecidella lichen | Lecidella granulata (H. Magn.) R. C. Harris | LEGR14 |
| lecidella lichen | Lecidella Korber | LECID3 |
| lecidella lichen | Lecidella patavina (A. Massal.) Knoph & Leuckert | LEPA23 |
| lecidella lichen | Lecidella pulveracea (Schaerer) Sydow | LEPU13 |
| lecidella lichen | Lecidella scabra (Taylor) Hertel & Leuckert | LESC8 |
| lecidella lichen | Lecidella stigmatea (Ach.) Hertel & Leuckert | LEST14 |
| lecidella lichen | Lecidella subauriculata (de Lesd.) | LESU19 |
| lecidella lichen | Lecidella viridans (Flotow) Korber | LEVI18 |
| Lecidella patavina | Lecidea acrocyanea (Th. Fr.) H. Magn. | LEAC7 |
| Lecidella patavina | Lecidea alaiensis Vainio | LEAL29 |
| Lecidella patavina | Lecidea endolithea Lynge | LEEN3 |
| Lecidella patavina | Lecidella alaiensis (Vainio) Hertel | LEAL33 |
| Lecidella patavina | Lecidella inamoena (Mull. Arg.) Hertel | LEIN20 |
| Lecidella patavina | Lecidella spitsbergensis (Lynge) Hertel & Leuckert | LESP8 |
| Lecidella scabra | Lecidea prasinula (Wedd.) de Lesd. | LEPR14 |
| Lecidella scabra | Lecidea scabra Taylor | LESC4 |
| Lecidella scabra | Lecidella prasinula (Wedd.) Hertel | LEPR17 |
| Lecidella stigmatea | Bacidia arthoniza (Nyl.) Zahlbr. | BAAR7 |
| Lecidella stigmatea | Lecidea lacus-crateris H. Magn. | LELA24 |
| Lecidella stigmatea | Lecidea micacea Korber | LEMI22 |
| Lecidella stigmatea | Lecidea stigmatea Ach. | LEST18 |
| Lecidella stigmatea | Lecidea vulgata Zahlbr. | LEVU4 |
| Lecidella subauriculata | Lecidea subauriculata de Lesd. | LESU30 |
| Lecidella viridans | Lecidea viridans (Flotow) Lamy | LEVI19 |
| Lecidella wulfenii | Lecidea heppii R. Anderson & W. A. Weber | LEHE8 |
| Lecidella wulfenii | Lecidea wulfenii (Hepp) Arnold | LEWU2 |
| Louisiana rim lichen | Lecanora louisianae de Lesd. | LELO4 |
| Megalaria albocincta | Catinaria albocincta Degel. | CAAL29 |
| Megalaria columbiana | Catillaria columbiana (G. Merr.) W. Noble | CACO66 |
| Megalaria grossa | Catillaria grossa (Pers. ex Nyl.) Korber | CAGR33 |
| Megalaria grossa | Catillaria superflua (Mull. Arg.) Zahlbr. | CASU65 |
| Megalaria grossa | Catinaria grossa (Pers. ex Nyl.) Vainio | CAGR34 |
| Megalaria grossa | Catinaria leucoplaca auct. | CALE46 |
| Megalaria laureri | Catillaria laureri Hepp ex Th. Fr. | CALA66 |
| Megalaria laureri | Catinaria laureri (Hepp ex Th. Fr.) Degel. | CALA63 |
| megalaria lichen | Megalaria grossa (Pers. ex Nyl.) Hafellner | MEGR8 |
| megalaria lichen | Megalaria Hafellner | MEGAL3 |
| Megalaria pulverea | Catillaria pulverea (Borrer) Lettau | CAPU35 |
| Merrill's rim lichen | Lecanora caesiorubella Ach. ssp. merrillii Imshaug & Brodo | LECAM |
| Miriquidica atrofulva | Lecidea atrofulva Sommerf. | LEAT3 |
| Miriquidica deusta | Lecidea deustata Zahlbr. | LEDE18 |
| Miriquidica garovaglii | Lecidea aenea (Fr.) Nyl. | LEAE3 |
| Miriquidica garovaglii | Lecidea garovaglii Schaerer | LEGA6 |
| Miriquidica griseoatra | Lecidea subplumbea Anzi | LESU34 |
| Miriquidica instrata | Lecidea instrata Nyl. | LEIN17 |
| Miriquidica intrudens | Lecanora intrudens H. Magn. | LEIN16 |
| Miriquidica intrudens | Lecidea intrudens H. Magn. | LEIN12 |
| Miriquidica leucophaea | Lecidea leucophaea (Florke ex Rabenh.) Nyl. | LELE22 |
| miriquidica lichen | Miriquidica deusta (Stenham.) Hertel & Rambold | MIDE14 |
| miriquidica lichen | Miriquidica griseoatra (Flotow) Hertel & Rambold | MIGR12 |
| miriquidica lichen | Miriquidica Hertel & Rambold | MIRIQ |
| miriquidica lichen | Miriquidica instrata (Nyl.) Hertel & Rambold | MIIN9 |
| miriquidica lichen | Miriquidica intrudens (H. Magn.) Hertel & Rambold | MIIN10 |
| miriquidica lichen | Miriquidica leucophaea (Florke ex Rabenh.) Hertel & Rambold | MILE9 |
| miriquidica lichen | Miriquidica lulensis (Hellbom) Hertel & Rambold | MILU4 |
| Miriquidica lulensis | Lecidea circumnigrata H. Magn. var. reagens H. Magn. | LECIR |
| Miriquidica lulensis | Lecidea leucophaeoides Nyl. | LELE23 |
| Miriquidica lulensis | Lecidea lulensis (Hellbom) Stizenb. | LELU6 |
| Miriquidica plumbeoatra | Lecidea plumbeoatra Vainio | LEPL5 |
| Miriquidica pulvinata | Lecidea circumnigrata H. Magn. | LECI16 |
| myrionora | Myrionora albidula (Willey) R. C. Harris | MYAL8 |
| myrionora | Myrionora R. C. Harris | MYRIO2 |
| Myrionora albidula | Biatorella albidula (Willey) Zahlbr. | BIAL2 |
| New Mexico rim lichen | Lecanora novomexicana H. Magn. | LENO3 |
| Nordenskioeld's rim lichen | Lecanora nordenskioeldii Vainio | LENO |
| omphalora | Omphalora T. Nash & Hafellner | OMPHA2 |
| Omphalora arizonica | Lecanora arizonica (Tuck. ex Willey) W. A. Weber | LEAR19 |
| Omphalora arizonica | Omphalodium arizonicum (Tuck. ex Willey) Tuck. | OMAR2 |
| Pacific rim lichen | Lecanora pacifica Tuck. | LEPA18 |
| peltate rimmed navel lichen | Rhizoplaca peltata (Ramond) Leuckert & Poelt | RHPE6 |
| perplexed rim lichen | Lecanora perplexa Brodo | LEPE11 |
| phacopsis lichen | Phacopsis oxyspora (Tul.) Triebel & Rambold | PHOX2 |
| phacopsis lichen | Phacopsis Tul. | PHACO |
| phacopsis lichen | Phacopsis vulpina Tul. | PHVU2 |
| Phacopsis oxyspora | Abrothallus oxysporus Tul. | ABOX |
| Phacopsis oxyspora | Lecidea oxyspora (Tul.) Nyl. | LEOX2 |
| Phacopsis oxyspora | Nesolechia oxyspora (Tul.) A. Massal. | NEOX |
| Phacopsis thallicola | Nesolechia thallicola (A. Massal.) A. Massal. | NETH |
| Polunin's rim lichen | Lecanora poluninii Lynge | LEPO5 |
| Pringle's rim lichen | Lecanora pringlei (Tuck.) Lamb | LEPR9 |
| Protoparmelia atriseda | Lecanora atriseda (Fr.) Nyl. | LEAT8 |
| Protoparmelia badia | Lecanora badia (Hoffm.) Ach. | LEBA4 |
| Protoparmelia badia | Lecanora grandis H. Magn. | LEGR10 |
| protoparmelia lichen | Protoparmelia atriseda (Fr.) R. Sant. & V. Wirth | PRAT |
| protoparmelia lichen | Protoparmelia badia (Hoffm.) Hafellner | PRBA2 |
| protoparmelia lichen | Protoparmelia Choisy | PROTO3 |
| protoparmelia lichen | Protoparmelia ochrococca P. M. Jorg., Rambold & Hertel | PROC2 |
| Protoparmelia nephaea | Lecanora nephaea Sommerf. | LENE10 |
| Protoparmelia ochrococca | Lecanora ochrococca (Nyl.) Clauzade & Roux | LEOC6 |
| Protoparmelia ochrococca | Lecanora phaeobola Tuck. | LEPH6 |
| Protoparmelia ochrococca | Lecidea ochrococca Nyl. | LEOC7 |
| psorinia | Psorinia conglomerata (Ach.) Gotth. Schneider | PSCO10 |
| psorinia | Psorinia Gotth. Schneider | PSORI |
| Psorinia conglomerata | Toninia conglomerata (Ach.) Boistel | TOCO4 |
| Pyrrhospora cinnabarina | Lecidea cinnabarina Sommerf. | LECI7 |
| Pyrrhospora cinnabarina | Protoblastenia cinnabarina (Sommerf.) Rasanen | PRCI3 |
| Pyrrhospora elabens | Lecidea elabens Fr. | LEEL6 |
| Pyrrhospora elabens | Lecidea melancheima Tuck. | LEME16 |
| pyrrhospora lichen | Pyrrhospora Korber | PYRRH2 |
| pyrrhospora lichen | Pyrrhospora quernea (Dickson) Korber | PYQU2 |
| pyrrhospora lichen | Pyrrhospora varians (Ach.) R. C. Harris | PYVA |
| Pyrrhospora quernea | Lecidea quernea (Dickson) Ach. | LEQU4 |
| Pyrrhospora quernea | Protoblastenia quernea (Dickson) Clauzade | PRQU |
| Pyrrhospora russula | Lecidea russula Ach. | LERU9 |
| Pyrrhospora subcinnabarina | Lecidea subcinnabarina Tonsberg | LESU44 |
| Pyrrhospora varians | Lecidea varians Ach. | LEVA7 |
| Rhizoplaca chrysoleuca | Lecanora chrysoleuca (Sm.) Ach. | LECH14 |
| Rhizoplaca chrysoleuca | Lecanora rubina (Vill.) Ach. | LERU11 |
| Rhizoplaca glaucophana | Lecanora glaucophana Nyl. ex Hasse | LEGL11 |
| Rhizoplaca haydenii | Lecanora haydenii Tuck. | LEHA9 |
| Rhizoplaca marginalis | Lecanora marginalis Hasse | LEMA17 |
| Rhizoplaca melanophthalma | Lecanora melanophthalma (DC.) Ramond | LEME15 |
| Rhizoplaca melanophthalma | Lecidea brandegeei Tuck. | LEBR19 |
| Rhizoplaca melanophthalma | Lecidea brandegei Tuck. [orthographic variant] | LEBR8 |
| Rhizoplaca peltata | Lecanora peltata (Ramond) Steudel | LEPE15 |
| rim lichen | Lecanora Ach. | LECAN4 |
| rim lichen | Lecanora acroides Vainio | LEAC5 |
| rim lichen | Lecanora actophila Wedd. | LEAC6 |
| rim lichen | Lecanora albescens (Hoffm.) Branth & Rostrup | LEAL12 |
| rim lichen | Lecanora albula (Nyl.) Hue | LEAL13 |
| rim lichen | Lecanora allophana Nyl. | LEAL15 |
| rim lichen | Lecanora anoptiza Nyl. | LEAN7 |
| rim lichen | Lecanora apochraeoides Vainio | LEAP2 |
| rim lichen | Lecanora argentata (Ach.) Malme | LEAR12 |
| rim lichen | Lecanora argopholis (Ach.) Ach. | LEAR13 |
| rim lichen | Lecanora atrosulphurea (Wahlenb.) Ach. | LEAT61 |
| rim lichen | Lecanora bicincta Ramond | LEBI6 |
| rim lichen | Lecanora bipruinosa Fink | LEBI7 |
| rim lichen | Lecanora boligera (Norman ex Th. Fr.) Hedl. | LEBO4 |
| rim lichen | Lecanora cadubriae (A. Massal.) Hedl. | LECA20 |
| rim lichen | Lecanora caesiorubella Ach. | LECA54 |
| rim lichen | Lecanora caesiorubella Ach. ssp. caesiorubella | LECAC4 |
| rim lichen | Lecanora caesiorubella Ach. ssp. glaucomodes (Nyl.) Imshaug & Brodo | LECAG2 |
| rim lichen | Lecanora caesiorubella Ach. ssp. prolifera (Fink) R. C. Harris | LECAP |
| rim lichen | Lecanora caesiorubella Ach. ssp. saximontana Imshaug & Brodo | LECAS2 |
| rim lichen | Lecanora caesiosulphurea Vainio | LECA21 |
| rim lichen | Lecanora campestris (Schaerer) Hue | LECA23 |
| rim lichen | Lecanora carpinea (L.) Vainio | LECA25 |
| rim lichen | Lecanora cateilea (Ach.) A. Massal. | LECA27 |
| rim lichen | Lecanora caulophylla (Tuck.) | LECA28 |
| rim lichen | Lecanora cenisia Ach. | LECE3 |
| rim lichen | Lecanora chlarotera Nyl. | LECH6 |
| rim lichen | Lecanora chlorophaeodes Nyl. | LECH7 |
| rim lichen | Lecanora cinereofusca H. Magn. | LECI15 |
| rim lichen | Lecanora cinereofusca H. Magn. var. cinereofusca | LECIC |
| rim lichen | Lecanora cladonioides Lynge | LECL2 |
| rim lichen | Lecanora collatolica J. W. Thomson & T. Nash | LECO11 |
| rim lichen | Lecanora confusa Almb. | LECO15 |
| rim lichen | Lecanora congesta Lynge | LECO16 |
| rim lichen | Lecanora conizaeoides Nyl. ex Crombie | LECO17 |
| rim lichen | Lecanora contractula Nyl. | LECO18 |
| rim lichen | Lecanora cupressi Tuck. | LECU5 |
| rim lichen | Lecanora demissa (Flotow) Zahlbr. | LEDE6 |
| rim lichen | Lecanora deplanans Nyl. | LEDE7 |
| rim lichen | Lecanora discoensis Lynge | LEDI9 |
| rim lichen | Lecanora dispersa (Pers.) Sommerf. | LEDI10 |
| rim lichen | Lecanora dispersoareolata (Schaerer) Lamy | LEDI11 |
| rim lichen | Lecanora epanora (Ach.) Ach. | LEEP2 |
| rim lichen | Lecanora epibryon (Ach.) Ach. | LEEP60 |
| rim lichen | Lecanora expallens Ach. | LEEX60 |
| rim lichen | Lecanora farinaria Borrer | LEFA2 |
| rim lichen | Lecanora fuscescens (Sommerf.) Nyl. | LEFU4 |
| rim lichen | Lecanora fuscidula Degel. | LEFU5 |
| rim lichen | Lecanora gangaleoides Nyl. | LEGA3 |
| rim lichen | Lecanora geophila (Th. Fr.) Poelt | LEGE2 |
| rim lichen | Lecanora glabrata (Ach.) Malme | LEGL7 |
| rim lichen | Lecanora glaucopsina Nyl. | LEGL8 |
| rim lichen | Lecanora granulifera (Ach.) Nyl. | LEGR12 |
| rim lichen | Lecanora gyalectodes Nyl. | LEGY |
| rim lichen | Lecanora helicopis (Wahlenb.) Ach. | LEHE4 |
| rim lichen | Lecanora horiza (Ach.) Lindasy | LEHO2 |
| rim lichen | Lecanora hybocarpa (Tuck.) Brodo | LEHY4 |
| rim lichen | Lecanora hypoptoides (Nyl.) Nyl. | LEHY5 |
| rim lichen | Lecanora impudens Degel. | LEIM |
| rim lichen | Lecanora insignis Degel. | LEIN9 |
| rim lichen | Lecanora intumescens (Rebent.) Rabenh. | LEIN10 |
| rim lichen | Lecanora kariana Rasanen | LEKA2 |
| rim lichen | Lecanora leprosa Fee | LELE14 |
| rim lichen | Lecanora leptacina Sommerf. | LELE15 |
| rim lichen | Lecanora lividolutea Rasanen | LELI5 |
| rim lichen | Lecanora luteovernalis Brodo | LELU2 |
| rim lichen | Lecanora marginata (Schaerer) Hertel & Rambold | LEMA9 |
| rim lichen | Lecanora maxima Lynge | LEMA10 |
| rim lichen | Lecanora melaena (Hedl.) Fink | LEME7 |
| rim lichen | Lecanora mellea W. A. Weber | LEME8 |
| rim lichen | Lecanora meridionalis H. Magn. | LEME9 |
| rim lichen | Lecanora microbola H. Magn. | LEMI13 |
| rim lichen | Lecanora microfusca Lynge | LEMI14 |
| rim lichen | Lecanora miculata Ach. | LEMI15 |
| rim lichen | Lecanora minutella Nyl. | LEMI16 |
| rim lichen | Lecanora monticola H. Magn. | LEMO9 |
| rim lichen | Lecanora mughicola Nyl. | LEMU6 |
| rim lichen | Lecanora muralis (Schreber) Rabenh. | LEMU60 |
| rim lichen | Lecanora muralis (Schreber) Rabenh. var. versicolor (Pers.) Tuck. | LEMUV |
| rim lichen | Lecanora neoalbomarginata Gyelnik | LENE9 |
| rim lichen | Lecanora novae-semliae Zahlbr. | LENO2 |
| rim lichen | Lecanora olivaceopallida H. Magn. | LEOL |
| rim lichen | Lecanora opiniconensis Brodo | LEOP2 |
| rim lichen | Lecanora orae-frigidae R. Sant. | LEOR4 |
| rim lichen | Lecanora oreinoides (Korber) Hertel & Rambold | LEOR5 |
| rim lichen | Lecanora permutata Zahlbr. | LEPE10 |
| rim lichen | Lecanora persimilis (Th. Fr.) Nyl. | LEPE12 |
| rim lichen | Lecanora phaeophora (Stizenb.) H. Magn. | LEPH |
| rim lichen | Lecanora phryganitis Tuck. | LEPH2 |
| rim lichen | Lecanora pinguis Tuck. | LEPI5 |
| rim lichen | Lecanora piniperda Korber | LEPI6 |
| rim lichen | Lecanora polytropa (Hoffm.) Rabenh. | LEPO6 |
| rim lichen | Lecanora populicola (DC.) Duby | LEPO7 |
| rim lichen | Lecanora praecrenata Nyl. | LEPR8 |
| rim lichen | Lecanora pseudistera Nyl. | LEPS |
| rim lichen | Lecanora pulicaris (Pers.) Ach. | LEPU60 |
| rim lichen | Lecanora reagens Norman | LERE12 |
| rim lichen | Lecanora rupicola (L.) Zahlbr. | LERU61 |
| rim lichen | Lecanora salicicola H. Magn. | LESA6 |
| rim lichen | Lecanora saligna (Schrader) Zahlbr. | LESA7 |
| rim lichen | Lecanora salina H. Magn. | LESA8 |
| rim lichen | Lecanora sambuci (Pers.) Nyl. | LESA9 |
| rim lichen | Lecanora scotopholis (Tuck.) Timdal | LESC5 |
| rim lichen | Lecanora semitensis Tuck. | LESE9 |
| rim lichen | Lecanora sipeana H. Magn. | LESI4 |
| rim lichen | Lecanora sophodopsella Nyl. | LESO3 |
| rim lichen | Lecanora stenospora Stizenb. | LEST10 |
| rim lichen | Lecanora straminea Ach. | LEST11 |
| rim lichen | Lecanora strobilina (Sprengel) Kieffer | LEST12 |
| rim lichen | Lecanora subaurea Zahlbr. | LESU6 |
| rim lichen | Lecanora subcarnea (Lilj.) Ach. | LESU7 |
| rim lichen | Lecanora subimmergens Vainio | LESU8 |
| rim lichen | Lecanora subintricata (Nyl.) Th. Fr. | LESU9 |
| rim lichen | Lecanora subrugosa Nyl. | LESU10 |
| rim lichen | Lecanora symmicta (Ach.) Ach. | LESY |
| rim lichen | Lecanora thallophila H. Magn. | LETH7 |
| rim lichen | Lecanora tristiuscula H. Magn. | LETR7 |
| rim lichen | Lecanora umbrina (Ach.) A. Massal. | LEUM2 |
| rim lichen | Lecanora umbrosa Degel. | LEUM3 |
| rim lichen | Lecanora valesiaca (Mull. Arg.) Stizenb. | LEVA4 |
| rim lichen | Lecanora varia (Hoffm.) Ach. | LEVA5 |
| rim lichen | Lecanora vegae Malme | LEVE5 |
| rim lichen | Lecanora viriduloflava de Lesd. | LEVI15 |
| rim lichen | Lecanora xanthosora B. D. Ryan & Poelt | LEXA |
| rimmed navel lichen | Rhizoplaca glaucophana (Nyl. ex Hasse) W. A. Weber | RHGL6 |
| rimmed navel lichen | Rhizoplaca marginalis (Hasse) W. A. Weber | RHMA10 |
| rimmed navel lichen | Rhizoplaca melanophthalma (DC.) Leuckert & Poelt | RHME2 |
| rimmed navel lichen | Rhizoplaca Zopf | RHIZO4 |
| rugose rim lichen | Lecanora rugosella Zahlbr. | LERU6 |
| Scoliciosporum chlorococcum | Bacidia chlorococca (Stenh.) Lettau | BACH3 |
| scoliciosporum lichen | Scoliciosporum A. Massal. | SCOLI2 |
| scoliciosporum lichen | Scoliciosporum chlorococcum (Stenh.) Vezda | SCCH4 |
| scoliciosporum lichen | Scoliciosporum umbrinum (Ach.) Arnold | SCUM2 |
| Scoliciosporum umbrinum | Bacidia umbrina (Ach.) Bausch | BAUM |
| Texas rim lichen | Lecanora texana W. A. Weber | LETE9 |
| Thomson's rim lichen | Lecanora thomsonii H. Magn. | LETH8 |
| Thule arctopeltis lichen | Arctopeltis thuleana Poelt | ARTH3 |
| torrid rim lichen | Lecanora torrida Vainio | LETO6 |
| Tylothallia biformigera | Catillaria bahusiensis (Blomb.) Th. Fr. | CABA20 |
| Tylothallia biformigera | Catillaria biformigera (Leighton) H. Magn. | CABI16 |
| tylothallia lichen | Tylothallia biformigera (Leighton) P. James & R. Kilias | TYBI |
| tylothallia lichen | Tylothallia P. James & R. Kilias | TYLOT |
| Utah rim lichen | Lecanora utahensis H. Magn. | LEUT2 |
| Weber's rim lichen | Lecanora weberi B. D. Ryan | LEWE |
| Willey's rim lichen | Lecanora willeyi Tuck. | LEWI |
| Wisconsin rim lichen | Lecanora wisconsinensis H. Magn. | LEWI2 |
| Wulfen's lecidella lichen | Lecidella wulfenii (Hepp) Korber | LEWU |
| Zoster's rim lichen | Lecanora zosterae (Ach.) Nyl. | LEZO |