| Common Name | Scientific Name | Code |
| n/a | Acarospora amphibola Wedd. | ACAM7 |
| n/a | Acarospora citrina (Taylor) Zahlbr. | ACCI4 |
| n/a | Acarospora clauzadeana (Llimona) Casares & Hafellner | ACCL6 |
| n/a | Acarospora reagens Zahlbr. | ACRE7 |
| n/a | Pleopsidium chlorophanum (Wahlenb.) Zopf | PLCH4 |
| n/a | Pleopsidium flavum (Bellardi) Korber | PLFL4 |
| n/a | Pleopsidium Korber | PLEOP2 |
| Acarospora albomarginata | Thelocarpon albomarginatum Herre | THAL6 |
| Acarospora badiofusca | Acarospora boulderensis H. Magn. | ACBO2 |
| Acarospora clauzadeana | Biatorella clauzadeana Llimona & Vezda | BICL2 |
| Acarospora complanata | Acarospora obscura H. Magn. | ACOB6 |
| Acarospora fuscata | Acarospora cartilaginea H. Magn. | ACCA19 |
| Acarospora fuscata | Acarospora squamulosa (Schrader) Trevisan | ACSQ2 |
| Acarospora geogena | Acarospora geophila H. Magn. | ACGE6 |
| Acarospora macrospora | Acarospora squamulosa sensu Th. Fr. | ACSQ |
| Acarospora oligospora | Acarospora glebosa (Flotow) Korber | ACGL3 |
| Acarospora reagens | Acarospora nodulosa (Dufour) Hue var. reagens Zahlbr. | ACNOR |
| Acarospora rugulosa | Acarospora montana H. Magn. | ACMO7 |
| Acarospora schleicheri | Acarospora albida H. Magn. | ACAL14 |
| Acarospora schleicheri | Acarospora amabilis H. Magn. | ACAM6 |
| Acarospora schleicheri | Acarospora bella (Nyl.) Jatta | ACBE5 |
| Acarospora schleicheri | Acarospora chrysops (Tuck.) H. Magn. | ACCH4 |
| Acarospora schleicheri | Acarospora contigua H. Magn. | ACCO13 |
| Acarospora schleicheri | Acarospora dissipata H. Magn. | ACDI5 |
| Acarospora schleicheri | Acarospora epilutescens Zahlbr. | ACEP |
| Acarospora schleicheri | Acarospora evoluta H. Magn. | ACEV |
| Acarospora schleicheri | Acarospora intercedens H. Magn. | ACIN10 |
| Acarospora schleicheri | Acarospora ocellata H. Magn. | ACOC2 |
| Acarospora schleicheri | Acarospora rhabarbarina Hue | ACRH2 |
| Acarospora schleicheri | Acarospora rimulosa H. Magn. | ACRI5 |
| Acarospora schleicheri | Acarospora rubicunda H. Magn. | ACRU6 |
| Acarospora schleicheri | Acarospora subalbida H. Magn. | ACSU7 |
| Acarospora schleicheri | Acarospora subcontigua H. Magn. | ACSU8 |
| Acarospora schleicheri | Acarospora xanthophana (Nyl.) Jatta | ACXA2 |
| Acarospora smaragdula | Acarospora rufescens (Ach.) Bausch | ACRU7 |
| Acarospora tongleti | Acarospora variegata H. Magn. | ACVA3 |
| American cracked lichen | Acarospora americana H. Magn. | ACAM5 |
| Asahina's cracked lichen | Acarospora asahinae H. Magn. | ACAS3 |
| big spore cracked lichen | Acarospora macrospora (Hepp) Bagl. | ACMA10 |
| California cracked lichen | Acarospora californica Zahlbr. | ACCA15 |
| California sarcogyne lichen | Sarcogyne californica H. Magn. | SACA42 |
| Canada cracked lichen | Acarospora canadensis H. Magn. | ACCA16 |
| Carnegie's cracked lichen | Acarospora carnegiei Zahlbr. | ACCA17 |
| Colorado cracked lichen | Acarospora coloradiana H. Magn. | ACCO10 |
| cracked lichen | Acarospora A. Massal. | ACARO2 |
| cracked lichen | Acarospora aeruginosa Hasse | ACAE |
| cracked lichen | Acarospora albomarginata (Herre) Salisb. | ACAL13 |
| cracked lichen | Acarospora applanata H. Magn. | ACAP |
| cracked lichen | Acarospora arenacea H. Magn. | ACAR8 |
| cracked lichen | Acarospora arenosa Herre | ACAR9 |
| cracked lichen | Acarospora asperata H. Magn. | ACAS4 |
| cracked lichen | Acarospora badiofusca (Nyl.) Th. Fr. | ACBA4 |
| cracked lichen | Acarospora bullata Anzi | ACBU2 |
| cracked lichen | Acarospora caesiofusca (Mull. Arg.) H. Magn. | ACCA14 |
| cracked lichen | Acarospora cervina A. Massal. | ACCE |
| cracked lichen | Acarospora cinereoalba (Fink) H. Magn. | ACCI2 |
| cracked lichen | Acarospora complanata H. Magn. | ACCO11 |
| cracked lichen | Acarospora desolata H. Magn. | ACDE9 |
| cracked lichen | Acarospora dispersa H. Magn. | ACDI4 |
| cracked lichen | Acarospora elevata H. Magn. | ACEL2 |
| cracked lichen | Acarospora fuscata (Schrader) Arnold | ACFU2 |
| cracked lichen | Acarospora fuscescens H. Magn. | ACFU3 |
| cracked lichen | Acarospora geogena H. Magn. | ACGE4 |
| cracked lichen | Acarospora glaucocarpa (Ach.) Korber | ACGL2 |
| cracked lichen | Acarospora hilaris (Dufour) Hue | ACHI6 |
| cracked lichen | Acarospora impressula Th. Fr. | ACIM3 |
| cracked lichen | Acarospora instrata H. Magn. | ACIN5 |
| cracked lichen | Acarospora interjecta H. Magn. | ACIN6 |
| cracked lichen | Acarospora interposita H. Magn. | ACIN7 |
| cracked lichen | Acarospora interspersa H. Magn. | ACIN8 |
| cracked lichen | Acarospora nitida H. Magn. | ACNI7 |
| cracked lichen | Acarospora obnubila H. Magn. | ACOB4 |
| cracked lichen | Acarospora obpallens H. Magn. | ACOB5 |
| cracked lichen | Acarospora oligospora (Nyl.) Arnold | ACOL |
| cracked lichen | Acarospora peliscypha Th. Fr. | ACPE6 |
| cracked lichen | Acarospora peltastica Zahlbr. | ACPE7 |
| cracked lichen | Acarospora pyrenopsoides H. Magn. | ACPY2 |
| cracked lichen | Acarospora radicata H. Magn. | ACRA4 |
| cracked lichen | Acarospora rugulosa Korber | ACRU5 |
| cracked lichen | Acarospora saepincola H. Magn. | ACSA6 |
| cracked lichen | Acarospora scabrida Hedl. ex H. Magn. | ACSC4 |
| cracked lichen | Acarospora scotica Hue | ACSC6 |
| cracked lichen | Acarospora sinopica (Wahlenb.) Korber | ACSI4 |
| cracked lichen | Acarospora smaragdula (Wahlenb.) A. Massal. | ACSM2 |
| cracked lichen | Acarospora socialis H. Magn. | ACSO2 |
| cracked lichen | Acarospora sparsa H. Magn. | ACSP6 |
| cracked lichen | Acarospora stapfiana (Mull. Arg.) Hue | ACST2 |
| cracked lichen | Acarospora strigata (Nyl.) Jatta | ACST3 |
| cracked lichen | Acarospora succedens H. Magn. | ACSU5 |
| cracked lichen | Acarospora superfusa H. Magn. | ACSU6 |
| cracked lichen | Acarospora tenebrica H. Magn. | ACTE5 |
| cracked lichen | Acarospora terricola H. Magn. | ACTE6 |
| cracked lichen | Acarospora thamnina (Tuck.) Herre | ACTH4 |
| cracked lichen | Acarospora thelococcoides (Nyl.) Zahlbr. | ACTH5 |
| cracked lichen | Acarospora veronensis A. Massal. | ACVE4 |
| Dakota sarcogyne lichen | Sarcogyne dakotensis H. Magn. | SADA3 |
| darkmargin cracked lichen | Acarospora nigromarginata de Lesd. | ACNI6 |
| Gallic cracked lichen | Acarospora gallica H. Magn. | ACGA2 |
| glypholecia lichen | Glypholecia Nyl. | GLYPH2 |
| glypholecia lichen | Glypholecia scabra (Pers.) Mull. Arg. | GLSC |
| Glypholecia scabra | Acarospora saxicola Fink | ACSA7 |
| Glypholecia scabra | Acarospora scabra (Pers.) Th. Fr. | ACSC7 |
| Hasse's cracked lichen | Acarospora hassei Herre | ACHA3 |
| Hasse's thelocarpon lichen | Thelocarpon hassei de Lesd. | THHA5 |
| heatloving cracked lichen | Acarospora thermophila Herre | ACTH6 |
| Hepp's cracked lichen | Acarospora heppii (Nageli ex Hepp) Nageli ex Korber | ACHE6 |
| Heufler's cracked lichen | Acarospora heufleriana Korber | ACHE7 |
| Kuleshan sarcogyne lichen | Sarcogyne kuleshanensis (Herre) | SAKU2 |
| Lapland polysporina lichen | Polysporina lapponica (Ach. ex Schaerer) Degel. | POLA18 |
| Laurer's thelocarpon lichen | Thelocarpon laureri (Flotow) Nyl. | THLA7 |
| Magnusson's sarcogyne lichen | Sarcogyne magnusonii de Lesd. | SAMA20 |
| molybdenum cracked lichen | Acarospora molybdina (Wahlenb.) Trevisan | ACMO6 |
| Nevada cracked lichen | Acarospora nevadensis H. Magn. | ACNE7 |
| New Mexican sarcogyne lichen | Sarcogyne novomexicana H. Magn. | SANO4 |
| nodule cracked lichen | Acarospora nodulosa (Dufour) Hue | ACNO6 |
| nodule cracked lichen | Acarospora nodulosa (Dufour) Hue var. nodulosa | ACNON |
| particular cracked lichen | Acarospora particularis H. Magn. | ACPA7 |
| Pleopsidium chlorophanum | Acarospora chlorophana (Wahlenb.) A. Massal. | ACCH60 |
| Pleopsidium chlorophanum | Acarospora erythrophora H. Magn. | ACER3 |
| Pleopsidium chlorophanum | Acarospora incertula H. Magn. | ACIN9 |
| Pleopsidium chlorophanum | Acarospora novomexicana H. Magn. | ACNO3 |
| Pleopsidium chlorophanum | Acarospora texana H. Magn. | ACTE7 |
| Pleopsidium chlorophanum | Acarospora weldensis H. Magn. | ACWE2 |
| Pleopsidium flavum | Acarospora flava (Bellardi) Ach. | ACFL5 |
| Pleopsidium flavum | Acarospora oxytona (Ach.) A. Massal. | ACOX2 |
| Pleopsidium flavum | Pleopsidium oxytonum (Ach.) Rabenh. | PLOX |
| Polysporina lapponica | Acarospora lapponica (Ach. ex Schaerer) Th. Fr. | ACLA7 |
| Polysporina lapponica | Acarospora subfuscescens (Nyl.) H. Magn. | ACSU4 |
| polysporina lichen | Polysporina simplex (Davies) Vezda | POSI8 |
| polysporina lichen | Polysporina urceolata (Anzi) Brodo | POUR2 |
| polysporina lichen | Polysporina Vezda | POLYS5 |
| Polysporina simplex | Biatorella simplex (Davies) Branth & Rostrup | BISI |
| Polysporina simplex | Sarcogyne simplex (Davies) Nyl. | SASI15 |
| sarchgyne lichen | Sarcogyne clavus (DC.) Krempelh. | SACL5 |
| Sarcogyne clavus | Biatorella clavus (DC.) Th. Fr. | BICL |
| Sarcogyne kuleshanensis | Biatorella kulshanensis Herre | BIKU |
| sarcogyne lichen | Sarcogyne anthroocarpa H. Magn. | SAAN12 |
| sarcogyne lichen | Sarcogyne bolleana H. Magn. | SABO7 |
| sarcogyne lichen | Sarcogyne Flotow | SARCO7 |
| sarcogyne lichen | Sarcogyne integra (de Lesd.) H. Magn. | SAIN11 |
| sarcogyne lichen | Sarcogyne oligospora H. Magn. | SAOL3 |
| sarcogyne lichen | Sarcogyne privigna (Ach.) A. Massal. | SAPR13 |
| sarcogyne lichen | Sarcogyne regularis Korber | SARE18 |
| sarcogyne lichen | Sarcogyne similis H. Magn. | SASI14 |
| Sarcogyne privigna | Biatorella hypophaea (Nyl.) Blomb. & Forss. | BIHY2 |
| Sarcogyne regularis | Biatorella pruinosa (Korber) Mudd | BIPR |
| Sarcogyne regularis | Sarcogyne pruinosa auct. | SAPR14 |
| Sarcosagium campestre | Biatorella campestris (Fr.) Almq. | BICA7 |
| sarcosagium lichen | Sarcosagium A. Massal. | SARCO8 |
| sarcosagium lichen | Sarcosagium campestre (Fr.) Poetsch & Schiedem. | SACA43 |
| Schleicher's cracked lichen | Acarospora schleicheri (Ach.) A. Massal. | ACSC5 |
| sporastatia lichen | Sporastatia A. Massal. | SPORA |
| sporastatia lichen | Sporastatia polyspora (Nyl.) Grummann | SPPO5 |
| sporastatia lichen | Sporastatia testudinea (Ach.) A. Massal. | SPTE10 |
| Sporastatia polyspora | Sporastatia cinerea (Schaerer) Korber | SPCI2 |
| Sporastatia testudinea | Biatorella testudinea (Ach.) A. Massal. | BITE2 |
| strangospora lichen | Strangospora A. Massal. | STRAN |
| strangospora lichen | Strangospora microhaema (Norman) R. Anderson | STMI9 |
| strangospora lichen | Strangospora moriformis (Ach.) Stein | STMO5 |
| strangospora lichen | Strangospora ochrophora (Nyl.) R. Anderson | STOC5 |
| strangospora lichen | Strangospora pinicola (A. Massal.) Korber | STPI8 |
| Strangospora microhaema | Biatorella microhaema Norman in Th. Fr. | BIMI4 |
| Strangospora moriformis | Biatorella moriformis (Ach.) Th. Fr. | BIMO2 |
| Strangospora ochrophora | Biatorella ochrophora (Nyl.) Arnold | BIOC |
| Thelocarpon intermediellum | Thelocarpon fimicola Fink | THFI3 |
| Thelocarpon laureri | Thelocarpon epilithellum Nyl. | THEP3 |
| Thelocarpon laureri | Thelocarpon majusculum Nyl. | THMA9 |
| Thelocarpon laureri | Thelocarpon prasinellum Nyl. | THPR5 |
| thelocarpon lichen | Thelocarpon epibolum Nyl. | THEP |
| thelocarpon lichen | Thelocarpon epibolum Nyl. var. epithallinum (Leighton ex Nyl.) Salisb. | THEPE |
| thelocarpon lichen | Thelocarpon intermediellum Nyl. | THIN9 |
| thelocarpon lichen | Thelocarpon Nyl. ex Hue | THELO2 |
| thelocarpon lichen | Thelocarpon sphaerosporum H. Magn. | THSP3 |
| thelocarpon lichen | Thelocarpon superellum Nyl. | THSU5 |
| Thelocarpon sphaerosporum | Ahlesia sphaerospora (H. Magn.) Salisb. | AHSP2 |
| Tonglet's cracked lichen | Acarospora tongleti Hue | ACTO4 |
| Tucson cracked lichen | Acarospora tucsonensis H. Magn. | ACTU2 |
| twocolor sarcogyne lichen | Sarcogyne bicolor H. Magn. | SABI6 |
| Utah cracked lichen | Acarospora utahensis H. Magn. | ACUT |
| Washington cracked lichen | Acarospora washingtonensis H. Magn. | ACWA2 |
| water cracked lichen | Acarospora immersa Fink | ACIM2 |