| Common Name | Scientific Name | Code |
| n/a | Adelococcus alpestris (Zopf) Theissen & Sydow | ADAL2 |
| n/a | Adelococcus Theissen & Sydow | ADELO2 |
| n/a | Catapyrenium andicola Breuss | CAAN30 |
| n/a | Catapyrenium chilense (Rasanen) Breuss | CACH37 |
| n/a | Catapyrenium congestum Breuss & McCune | CACO78 |
| n/a | Catapyrenium norvegicum Breuss | CANO7 |
| n/a | Catapyrenium podolepis Breuss | CAPO19 |
| n/a | Catapyrenium psoromoides (Borrer) R. Sant. | CAPS11 |
| n/a | Catapyrenium rufescens (Ach.) Breuss | CARU21 |
| n/a | Catapyrenium schaereri (Fr.) R. Sant. | CASC39 |
| n/a | Catapyrenium squamulosum (Ach.) Breuss | CASQ5 |
| n/a | Catapyrenium umbrinum Breuss | CAUM6 |
| n/a | Catapyrenium waltheri (Krempelh.) Korber | CAWA6 |
| n/a | Dermatocarpon linkolae Rasanan | DELI5 |
| n/a | Dermatocarpon lorenzianum Anders | DELO2 |
| n/a | Endocarpon adsurgens Vainio | ENAD2 |
| n/a | Endocarpon pallidum Ach. | ENPA2 |
| n/a | Lauderlindsaya borreri (Leighton) R. Sant. | LABO5 |
| n/a | Lauderlindsaya J. C. David & D. Hawksw. | LAUDE |
| n/a | Phaeospora arctica Horakova & Alstrup | PHAR19 |
| n/a | Phaeospora parasitica (Lonnr.) Arnold | PHPA23 |
| n/a | Placidiopsis cinerascens (Nyl.) Breuss | PLCI5 |
| n/a | Psoroglaena cubensis Mull. Arg. | PSCU2 |
| n/a | Psoroglaena cubensis Mull. Arg. var. cubensis | PSCUC |
| n/a | Psoroglaena cubensis Mull. Arg. var. teretiloba O. Eriksson | PSCUT |
| n/a | Psoroglaena Mull. Arg. | PSORO4 |
| n/a | Staurothele areolata (Ach.) Lettau | STAR15 |
| n/a | Staurothele effigurata J. W. Thomson | STEF |
| n/a | Staurothele elenkinii Oksner | STEL6 |
| n/a | Staurothele monicae (Zahlbr.) Wetmore | STMO6 |
| n/a | Staurothele orispruinosa J. W. Thomson | STOR8 |
| n/a | Staurothele polygonia de Lesd. | STPO9 |
| n/a | Staurothele rugosa J. W. Thomson | STRU8 |
| n/a | Staurothele verruculosa J. W. Thomson | STVE6 |
| n/a | Thelidium papulare (Fr.) Arnold | THPA12 |
| n/a | Thelidium transsylvanicum Zschacke | THTR9 |
| n/a | Verrucaria applanata Hepp ex Zschacke | VEAP |
| n/a | Verrucaria devergens Nyl. | VEDE9 |
| n/a | Verrucaria devergescens Nyl. | VEDE8 |
| n/a | Verrucaria integra (Nyl.) Nyl. | VEIN7 |
| n/a | Verrucaria lobata J. W. Thomson | VELO3 |
| n/a | Verrucaria ossiseda Lynge | VEOS |
| n/a | Verrucaria praetermissa (Trevisan) Anzi | VEPR5 |
| n/a | Verrucaria riddleana R. C. Harris | VERI4 |
| n/a | Verrucaria sphaerospora Anzi | VESP7 |
| n/a | Verrucaria tavaresiae R. Moe | VETA2 |
| n/a | Verrucaria zamenhofiana Clauzade & Roux | VEZA |
| agonimia lichen | Agonimia tristicula (Nyl.) Zahlbr. | AGTR8 |
| agonimia lichen | Agonimia Zahlbr. | AGONI |
| Agonimia tristicula | Polyblastia tristicula (Nyl.) Arnold | POTR20 |
| arctic wart lichen | Staurothele arctica Lynge | STAR11 |
| arctic wart lichen | Verrucaria arctica Lynge | VEAR5 |
| Arnold's silverskin lichen | Dermatocarpon arnoldianum Degel. | DEAR60 |
| Calkins's wart lichen | Verrucaria calkinsiana Servit | VECA14 |
| Catapyrenium acarosporoides | Dermatocarpon acarosporoides Zahlbr. | DEAC5 |
| Catapyrenium acarosporoides | Dermatocarpon novomexicanum (de Lesd.) Zahlbr. | DENO2 |
| Catapyrenium acarosporoides | Endopyrenium bajadanae de Lesd. | ENBA |
| Catapyrenium acarosporoides | Endopyrenium novomexicanum de Lesd. | ENNO2 |
| Catapyrenium cinereum | Dermatocarpon cinereum (Pers.) Th. Fr. | DECI5 |
| Catapyrenium cinereum | Dermatocarpon hepaticum (Ach.) Th. Fr. | DEHE4 |
| Catapyrenium compactum | Dermatocarpon compactum (A. Massal.) Lettau | DECO5 |
| Catapyrenium compactum | Dermatocarpon rupicola (de Lesd.) Zahlbr. | DERU6 |
| Catapyrenium compactum | Endopyrenium americanum de Lesd. | ENAM |
| Catapyrenium compactum | Endopyrenium rupicola de Lesd. | ENRU3 |
| Catapyrenium daedaleum | Dermatocarpon daedaleum (Krempelh.) Th. Fr. | DEDA2 |
| Catapyrenium granulosum | Dermatocarpon granulosum (de Lesd.) Zahlbr. | DEGR8 |
| Catapyrenium granulosum | Endopyrenium crustaceum de Lesd. | ENCR |
| Catapyrenium granulosum | Endopyrenium granulosum de Lesd. | ENGR2 |
| Catapyrenium heppioides | Dermatocarpon heppioides Zahlbr. | DEHE5 |
| Catapyrenium lachneum | Dermatocarpon lachneum (Ach.) A. L. Sm. | DELA7 |
| Catapyrenium michelii | Dermatocarpon michelii (A. Massal.) Zwackh | DEMI3 |
| Catapyrenium plumbeum | Dermatocarpon plumbeum (de Lesd.) Zahlbr. | DEPL2 |
| Catapyrenium plumbeum | Endopyrenium plumbeum de Lesd. | ENPL |
| Catapyrenium rufescens | Dermatocarpon rufescens (Ach.) Th. Fr. | DERU5 |
| Catapyrenium squamellum | Dermatocarpon squamellum (Nyl.) Herre | DESQ |
| Catapyrenium squamulosum | Dermatocarpon hepaticum auct. | DEHE10 |
| Catapyrenium tuckermanii | Dermatocarpon arboreum (Schwein.) Fink | DEAR7 |
| Catapyrenium tuckermanii | Dermatocarpon tuckermanii (Rav. ex Mont.) Zahlbr. | DETU |
| Catapyrenium waltheri | Dermatocarpon waltheri (Krempelh.) Blomb. & Forss. | DEWA |
| Catapyrenium zahlbruckneri | Dermatocarpon zahlbruckneri Hasse | DEZA |
| chalice lichen | Endocarpon adscendens (Anzi) Mull. Arg. | ENAD |
| chalice lichen | Endocarpon Hedwig | ENDOC |
| chalice lichen | Endocarpon lepidallum Nyl. | ENLE |
| chalice lichen | Endocarpon petrolepideum (Nyl.) Hasse | ENPE |
| chalice lichen | Endocarpon pusillum Hedwig | ENPU2 |
| chalice lichen | Endocarpon subnitescens Nyl. | ENSU |
| compact earth lichen | Catapyrenium compactum (A. Massal.) R. Sant. | CACO65 |
| Degel's wart lichen | Verrucaria degelii R. Sant. | VEDE5 |
| Dermatocarpon intestiniforme | Dermatocarpon polyphyllum (Wulfen) Dalla Torre & Sarnth. | DEPO2 |
| Dermatocarpon luridum | Dermatocarpon aquaticum (Weis) Zahlbr. | DEAQ |
| Dermatocarpon luridum | Dermatocarpon fluviatile (Weber) Th. Fr. | DEFL4 |
| Dermatocarpon luridum | Dermatocarpon weberi (Ach.) W. Mann | DEWE |
| Dermatocarpon reticulatum | Dermatocarpon vagans Imshaug | DEVA2 |
| Drummond's wart lichen | Staurothele drummondii (Tuck.) Tuck. | STDR3 |
| dwarf muellerella lichen | Muellerella pygmaea (Korber) D. Hawksw. | MUPY |
| dwarf muellerella lichen | Muellerella pygmaea (Korber) D. Hawksw. var. athallina (Mull. Arg.) Triebel | MUPYA |
| dwarf muellerella lichen | Muellerella pygmaea (Korber) D. Hawksw. var. ventosicola (Mudd) Triebel | MUPYV |
| earth lichen | Catapyrenium acarosporoides (Zahlbr.) J. W. Thomson | CAAC11 |
| earth lichen | Catapyrenium caeruleopulvinum J. W. Thomson | CACA69 |
| earth lichen | Catapyrenium cinereum (Pers.) Korber | CACI13 |
| earth lichen | Catapyrenium daedaleum (Krempelh.) Stein in Cohn | CADA6 |
| earth lichen | Catapyrenium Flotow | CATAP2 |
| earth lichen | Catapyrenium heppioides (Zahlbr.) J. W. Thomson | CAHE23 |
| earth lichen | Catapyrenium lachneum (Ach.) R. Sant. | CALA60 |
| earth lichen | Catapyrenium plumbeum (de Lesd.) J. W. Thomson | CAPL15 |
| earth lichen | Catapyrenium squamellum (Nyl.) J. W. Thomson | CASQ4 |
| Endocarpon pulvinatum | Pyrenothamnia brandegeei (Tuck.) Zahlbr. | PYBR5 |
| Endocarpon pulvinatum | Pyrenothamnia brandegei (Tuck.) Zahlbr. [orthographic variant] | PYBR4 |
| Endocarpon pulvinatum | Pyrenothamnia spraguei Tuck. | PYSP3 |
| Erichsen's wart lichen | Verrucaria erichsenii Zschacke | VEER |
| Fayette wart lichen | Verrucaria fayettensis Servit | VEFA3 |
| Fink's wart lichen | Verrucaria finkiana Servit | VEFI3 |
| Funck's wart lichen | Verrucaria funckii (Sprengel) Zahlbr. | VEFU |
| globe earth lichen | Catapyrenium globosum J. W. Thomson | CAGL25 |
| granule earth lichen | Catapyrenium granulosum (de Lesd.) J. W. Thomson | CAGR29 |
| heterocarpon lichen | Heterocarpon Mull. Arg. | HETER14 |
| heterocarpon lichen | Heterocarpon ochroleucum (Tuck.) Mull. Arg. | HEOC5 |
| Heterocarpon ochroleucum | Endocarpon ochroleucum Tuck. | ENOC2 |
| Illinois wart lichen | Verrucaria illinoisensis Servit | VEIL2 |
| intestine silverskin lichen | Dermatocarpon intestiniforme (Korber) Hasse | DEIN60 |
| merismatium lichen | Merismatium coccisporum (Norman) Vouaux | MECO13 |
| merismatium lichen | Merismatium decolorans (Rehm ex Arnold) Triebel | MEDE12 |
| merismatium lichen | Merismatium Zopf | MERIS |
| Michel's earth lichen | Catapyrenium michelii (A. Massal.) R. Sant. | CAMI40 |
| Moulins's silverskin lichen | Dermatocarpon moulinsii (Mont.) Zahlbr. | DEMO3 |
| muellerella lichen | Muellerella Hepp ex Mull. Arg. | MUELL |
| muellerella lichen | Muellerella lichenicola (Sommerf. ex Fr.) D. Hawksw. | MULI3 |
| Muellerella pygmaea | Tichothecium pygmaeum Korber | TIPY |
| New Mexican wart lichen | Verrucaria novomexicana de Lesd. | VENO3 |
| obsolete polyblastia lichen | Polyblastia obsoleta Arnold | POOB5 |
| obsolete wart lichen | Verrucaria obsoleta Lynge | VEOB2 |
| papillose wart lichen | Verrucaria papillosa Ach. | VEPA5 |
| phaeospora | Phaeospora Hepp ex Stein | PHAEO9 |
| phaeospora | Phaeospora rimosicola (Leighton ex Mudd) Hepp ex Stein | PHRI7 |
| Phaeospora rimosicola | Pyrenulella endococcoidea (Nyl.) Fink | PYEN |
| placidiopsis lichen | Placidiopsis Beltram. | PLACI |
| placidiopsis lichen | Placidiopsis cervinula (Nyl.) Vainio | PLCE2 |
| placidiopsis lichen | Placidiopsis minor R. C. Harris | PLMI2 |
| placidiopsis lichen | Placidiopsis pseudocinerea Breuss | PLPS3 |
| Polyblastia cupularis | Polyblastia intercedens (Nyl.) Lonnr. | POIN26 |
| Polyblastia hyperborea | Polyblastia integrascens (Nyl.) Vainio | POIN25 |
| polyblastia lichen | Polyblastia A. Massal. | POLYB2 |
| polyblastia lichen | Polyblastia bryophila Lonnr. | POBR10 |
| polyblastia lichen | Polyblastia cruenta (Korber) P. James & Swinscow | POCR12 |
| polyblastia lichen | Polyblastia cucurbitula J. W. Thomson & B. M. Murray | POCU13 |
| polyblastia lichen | Polyblastia cupularis A. Massal. | POCU12 |
| polyblastia lichen | Polyblastia gelatinosa (Ach.) Th. Fr. | POGE6 |
| polyblastia lichen | Polyblastia gothica Th. Fr. | POGO2 |
| polyblastia lichen | Polyblastia hyperborea Th. Fr. | POHY60 |
| polyblastia lichen | Polyblastia hyperborea Th. Fr. var. macrospora Lynge | POHYM |
| polyblastia lichen | Polyblastia melaspora (Taylor) Zahlbr. | POME12 |
| polyblastia lichen | Polyblastia septentrionalis Lynge | POSE15 |
| polyblastia lichen | Polyblastia terrestris Th. Fr. | POTE12 |
| polyblastia lichen | Polyblastia theleodes (Sommerf.) Th. Fr. | POTH5 |
| Polyblastia terrestris | Polyblastia sommerfeltii Lynge | POSO3 |
| pulvinate chalice lichen | Endocarpon pulvinatum Th. Fr. | ENPU |
| reticulate silverskin lichen | Dermatocarpon reticulatum H. Magn. | DERE60 |
| Sandstede's wart lichen | Verrucaria sandstedei de Lesd. | VESA2 |
| Sendtner's polyplastia lichen | Polyblastia sendtneri Krempelh. | POSE60 |
| silverskin lichen | Dermatocarpon Eschw. | DERMA2 |
| silverskin lichen | Dermatocarpon luridum (With.) J. R. Laundon | DELU60 |
| silverskin lichen | Dermatocarpon miniatum (L.) W. Mann | DEMI60 |
| silverskin lichen | Dermatocarpon rivulorum (Arnold) Dalla Torre & Sarnth. | DERI60 |
| silverskin lichen | Dermatocarpon saxicola (de Lesd.) | DESA2 |
| silverskin lichen | Dermatocarpon vellereum Zschacke | DEVE3 |
| Stanford's wart lichen | Verrucaria stanfordii Herre | VEST4 |
| Staurothele discedens | Staurothele hymenogonia (Nyl.) Th. Fr. | STHY5 |
| Staurothele drummondii | Endocarpon drummondii (Tuck.) Choisy | ENDR |
| Staurothele drummondii | Endocarpon wilmsoides Zahlbr. | ENWI |
| Staurothele drummondii | Staurothele ambrosiana (A. Massal.) Zschacke | STAM5 |
| Staurothele drummondii | Staurothele clopima sens. Th. Fr. | STCL2 |
| Staurothele drummondii | Staurothele fuscocuprea (Nyl.) Zschacke | STFU2 |
| Staurothele drummondii | Staurothele perradiata Lynge | STPE8 |
| Staurothele drummondii | Staurothele succedens (Rehm) Arnold | STSU3 |
| Staurothele elenkinii | Staurothele rufa (A. Massal.) Zschacke | STRU6 |
| Staurothele elenkinii | Staurothele sessilis H. Magn. | STSE7 |
| Staurothele fissa | Staurothele circinata Tuck. | STCI9 |
| Staurothele fissa | Staurothele glacialis Herre | STGL6 |
| Staurothele fissa | Staurothele hazslinskyi (Korber) Blomb. & Forss. | STHA4 |
| Staurothele fissa | Staurothele umbrina (Wahlenb.) Tuck. | STUM3 |
| Staurothele monicae | Endocarpon monicae Zahlbr. | ENMO2 |
| submersed wart lichen | Verrucaria submersella Servit | VESU3 |
| Thelidium circumspersellum | Verrucaria circumspersella Nyl. | VECI3 |
| thelidium lichen | Thelidium A. Massal. | THELI2 |
| thelidium lichen | Thelidium absconditum (Hepp) Rebenh. | THAB3 |
| thelidium lichen | Thelidium aeneovinosum (Anzi) Arnold | THAE |
| thelidium lichen | Thelidium areolatum J. W. Thomson | THAR9 |
| thelidium lichen | Thelidium circumspersellum (Nyl.) Zschacke | THCI |
| thelidium lichen | Thelidium decipiens (Nyl.) Krempelh. | THDE7 |
| thelidium lichen | Thelidium incavatum Nyl. ex Mudd | THIN8 |
| thelidium lichen | Thelidium microbolum (Tuck.) Hasse | THMI9 |
| thelidium lichen | Thelidium microsporum Lynge | THMI10 |
| thelidium lichen | Thelidium minimum (A. Massal. ex Korber) Arnold | THMI11 |
| thelidium lichen | Thelidium minutulum Korber | THMI12 |
| thelidium lichen | Thelidium olivaceum (Schaerer) Korber | THOL2 |
| thelidium lichen | Thelidium parvulum Arnold | THPA9 |
| thelidium lichen | Thelidium pyrenophorum (Ach.) Mudd | THPY |
| thelidium lichen | Thelidium velutinum (Bernh.) Korber | THVE6 |
| Thelidium minutulum | Thelidium acrotellum Arnold | THAC3 |
| Thelidium minutulum | Thelidium mesotropum (Nyl.) A. L. Sm. | THME4 |
| tortured chalice lichen | Endocarpon tortuosum Herre | ENTO2 |
| trimmatothele lichen | Trimmatothele Norman ex Zahlbr. | TRIMM |
| trimmatothele lichen | Trimmatothele umbellulariae Herre | TRUM |
| Tuckerman's earth lichen | Catapyrenium tuckermanii (Rav. ex Mont.) J. W. Thomson | CATU11 |
| Verrucaria aethiobola | Verrucaria laevata Ach. | VELA8 |
| Verrucaria caerulea | Verrucaria fuscella (Turner) Winch var. glaucina (Ach.) Schaerer | VEFUG |
| Verrucaria caerulea | Verrucaria glaucina Ach. | VEGL6 |
| Verrucaria fayettensis | Verrucaria iowensis Servit | VEIO2 |
| Verrucaria glaucovirens | Verrucaria virens Nyl. | VEVI8 |
| Verrucaria halizoa | Verrucaria microspora auct. | VEMI5 |
| Verrucaria lecideoides | Dermatocarpon lecideoides (A. Massal.) Hasse | DELE4 |
| Verrucaria rheitrophila | Verrucaria kernstockii Zschacke | VEKE |
| Verrucaria striatula | Verrucaria microspora Nyl. | VEMI6 |
| Verrucaria striatula | Verrucaria subsuperficialis Fink | VESU6 |
| Verrucaria submersella | Verrucaria submersa Schaerer | VESU5 |
| wart lichen | Staurothele catalepta (Ach.) Blomb. & Forss. | STCA24 |
| wart lichen | Staurothele clopimoides (Arnold) J. Stein | STCL3 |
| wart lichen | Staurothele diffractella (Nyl.) Tuck. | STDI9 |
| wart lichen | Staurothele discedens (Nyl.) Zahlbr. | STDI10 |
| wart lichen | Staurothele fissa (Taylor) Zwackh | STFI2 |
| wart lichen | Staurothele lecideoides de Lesd. | STLE9 |
| wart lichen | Staurothele Norman | STAUR |
| wart lichen | Staurothele rupifraga (A. Massal.) Arnold | STRU7 |
| wart lichen | Staurothele tenuissima Degel. | STTE7 |
| wart lichen | Verrucaria acrotella Ach. | VEAC2 |
| wart lichen | Verrucaria aethiobola Wahlenb. | VEAE |
| wart lichen | Verrucaria amphibia Clemente | VEAM3 |
| wart lichen | Verrucaria amylacea Hepp | VEAM4 |
| wart lichen | Verrucaria aquilella Nyl. | VEAQ |
| wart lichen | Verrucaria caerulea DC. | VECA18 |
| wart lichen | Verrucaria calciseda DC. | VECA13 |
| wart lichen | Verrucaria canella Nyl. | VECA15 |
| wart lichen | Verrucaria cataleptoides (Nyl.) Nyl. | VECA16 |
| wart lichen | Verrucaria ceuthocarpa Wahlenb. | VECE |
| wart lichen | Verrucaria dacryodes Nyl. | VEDA |
| wart lichen | Verrucaria deversa Vainio | VEDE7 |
| wart lichen | Verrucaria ditmarsica Erichsen | VEDI4 |
| wart lichen | Verrucaria elaeomelaena (A. Massal.) Arnold | VEEL2 |
| wart lichen | Verrucaria fuscella (Turner) Winch | VEFU2 |
| wart lichen | Verrucaria fusconigrescens Nyl. | VEFU3 |
| wart lichen | Verrucaria glaucovirens Grummann | VEGL5 |
| wart lichen | Verrucaria halizoa Leighton | VEHA5 |
| wart lichen | Verrucaria hydrela Ach. | VEHY2 |
| wart lichen | Verrucaria internigrescens (Nyl.) Erichsen | VEIN6 |
| wart lichen | Verrucaria iovensis Servit | VEIO |
| wart lichen | Verrucaria lecideoides (A. Massal.) Trevisan | VELE4 |
| wart lichen | Verrucaria macrostoma Dufour ex DC. | VEMA4 |
| wart lichen | Verrucaria margacea (Wahlenb.) Wahlenb. | VEMA5 |
| wart lichen | Verrucaria marmorea (Scop.) Arnold | VEMA6 |
| wart lichen | Verrucaria maura Wahlenb. | VEMA7 |
| wart lichen | Verrucaria melas Herre | VEME2 |
| wart lichen | Verrucaria mucosa Wahlenb. | VEMU |
| wart lichen | Verrucaria muralis Ach. | VEMU2 |
| wart lichen | Verrucaria nigrescens Pers. | VENI2 |
| wart lichen | Verrucaria nigrescentoidea Fink | VENI3 |
| wart lichen | Verrucaria obnigrescens Nyl. | VEOB |
| wart lichen | Verrucaria phaeothelena Th. Fr. | VEPH3 |
| wart lichen | Verrucaria pinguicula A. Massal. | VEPI2 |
| wart lichen | Verrucaria prominula Nyl. | VEPR4 |
| wart lichen | Verrucaria pseudonigrescens Servit | VEPS |
| wart lichen | Verrucaria rheitrophila Zschacke | VERH |
| wart lichen | Verrucaria ruderella Nyl. | VERU2 |
| wart lichen | Verrucaria rupestris Schrader | VERU3 |
| wart lichen | Verrucaria Schrader | VERRU |
| wart lichen | Verrucaria silicicola Fink | VESI4 |
| wart lichen | Verrucaria sorbicola Servit | VESO |
| wart lichen | Verrucaria sphinctrina Ach. | VESP5 |
| wart lichen | Verrucaria striatula Wahlenb. | VEST5 |
| wart lichen | Verrucaria subglaucina de Lesd. | VESU2 |
| wart lichen | Verrucaria submuralis Nyl. | VESU4 |
| wart lichen | Verrucaria tectorum (A. Massal.) Korber | VETE8 |
| wart lichen | Verrucaria umbrinula Nyl. | VEUM |
| wart lichen | Verrucaria viridula (Schrader) Ach. | VEVI7 |
| wort lichen | Verrucaria sordida Servit | VESO2 |
| Zahlbruckner's earth lichen | Catapyrenium zahlbruckneri (Hasse) J. W. Thomson | CAZA2 |