For more information see the Supplementary Notes for the Taxon Dictionary, which explains the names and synonyms, and these Instructions on how to use the online Taxon Dictionary which includes details of the Conservation Evaluation codes.
| Count | Name Sort ascending | Authority | Is Current Name? | Current Taxon Name | Synonyms | BLS Number | Comments | Conservation Evaluation | Group | Account & Map |
|---|---|---|---|---|---|---|---|---|---|---|
| 8401 | Aspicilia contorta subsp. contorta | (Hoffm.) Kremp. (1861) | No | Circinaria contorta | 107 | LC | ||||
| 8402 | Aspicilia complanatoides | (A.L. Sm.) Walt. Watson | No | Schaereria fuscocinerea var. fuscocinerea | 1313 | LC | ||||
| 8403 | Aspicilia complanata | (Körb.) Stein | No | Miriquidica complanata f. complanata | 106 | LC NS | ||||
| 8404 | Aspicilia cinereorufescens | (Ach.) A. Massal. | No | Bellemerea cinereorufescens | Bellemerea cinereorufescens (Ach.) Clauzade & Cl. Roux, Incorrectly reported from the British Isles | |||||
| 8405 | Aspicilia cinerea s. str. | (L.) Körb. s. str. (1855) | Yes | Aspicilia cinerea s. str. | Lecanora cinerea | 2350 | LC NE | Aspicilia cinerea s. str. | ||
| 8406 | Aspicilia cinerea s. lat. | s. lat. | Yes | Aspicilia cinerea s. lat. | Lecanora cinerea s. lat. | 104 | LC | Aspicilia cinerea s. lat. | ||
| 8407 | Aspicilia cambusiana | Walt. Watson | No | Schaereria fuscocinerea var. fuscocinerea | 1313 | LC | ||||
| 8408 | Aspicilia calcarea var. contorta | (Hoffm.) Körb. (1865) | No | Circinaria contorta | 107 | LC | ||||
| 8409 | Aspicilia calcarea | (L.) Körb. (1859) | No | Circinaria calcarea | 103 | LC | ||||
| 8410 | Aspicilia caesiocinerea | (Nyl. ex Malbr.) Arnold (1886) | No | Circinaria caesiocinerea | 102 | LC | ||||
| 8411 | Aspicilia bockii | auct. brit. | No | Rimularia badioatra | 733 | LC NS | ||||
| 8412 | Aspicilia aquatica | (Fr.) Körb. (1855) | Yes | Aspicilia aquatica | 2396 | DD NR | Aspicilia aquatica | |||
| 8413 | Aspicilia alpina | (Sommerf.) Arnold | No | Bellemerea alpina | 101 | CR B NR S Sc | ||||
| 8414 | Aspergillus glaucus | (L.) Link (1809) | Yes | Aspergillus glaucus | 2014 | NE NR | LF | Aspergillus glaucus | ||
| 8415 | Ascochytula lecanorae | (Vouaux) Keissl. | No | Lichenodiplis lecanorae | 2096 | LC NS | LF | |||
| 8416 | Ascochyta lichenoides | (A.L. Sm.) D. Hawksw. | No | Crustodiplodina lichenoides | Crustodiplodina lichenoides (A.L. Sm.) Punith. | F | ||||
| 8417 | Arthrorhaphis vacillans | Th. Fr. & Almq. ex Fr. (1867) | Yes | Arthrorhaphis vacillans | 119 | DD NR Sc | Arthrorhaphis vacillans | |||
| 8418 | Arthrorhaphis muddii | Obermayer (1994) | Yes | Arthrorhaphis muddii | Arthrorhaphis fuscireagens | 1923 | NE NR | LF | Arthrorhaphis muddii | |
| 8419 | Arthrorhaphis grisea | Th. Fr. (1860) | Yes | Arthrorhaphis grisea | Gongylia sabuletorum | 313 | LC NS | LF | Arthrorhaphis grisea | |
| 8420 | Arthrorhaphis fuscoreagens | (Vain.) Poelt (1969), non auct. | No | Arthrorhaphis grisea | 313 | LC NS | LF | |||
| 8421 | Arthrorhaphis fuscoreagens | auct. | No | Arthrorhaphis muddii | 1923 | NE NR | LF | |||
| 8422 | Arthrorhaphis fuscireagens | auct. [orth. var.] | No | Arthrorhaphis muddii | 1923 | NE NR | LF | |||
| 8423 | Arthrorhaphis citrinella | (Ach.) Poelt (1969) | Yes | Arthrorhaphis citrinella | Bacidia citrinella | 100 | LC | Arthrorhaphis citrinella | ||
| 8424 | Arthrorhaphis alpina | (Schaer.) R. Sant. (1980) | Yes | Arthrorhaphis alpina | Bacidia citrinella subsp. alpina | 99 | LC NS | Arthrorhaphis alpina | ||
| 8425 | Arthrorhaphis aeruginosa | R. Sant. & Tønsberg (1994) | Yes | Arthrorhaphis aeruginosa | 1916 | LC NS | LF | Arthrorhaphis aeruginosa | ||
| 8426 | Arthothelium spectabile | A. Massal. (1852) | Yes | Arthothelium spectabile | 98 | Ex | Arthothelium spectabile | |||
| 8427 | Arthothelium ruanum | (A. Massal.) Körb. (1861) | Yes | Arthothelium ruanum | Arthonia ruana | 97 | LC NS | Arthothelium ruanum | ||
| 8428 | Arthothelium reagens | (Coppins & P. James) Coppins & P. James | No | Arthothelium macounii | 96 | VU D2 NR P Sc IR | ||||
| 8429 | Arthothelium orbilliferum | (Almq.) Hasse (1913) | Yes | Arthothelium orbilliferum | Arthonia orbilliferum | 1711 | LC NS Sc IR | F | Arthothelium orbilliferum | |
| 8430 | Arthothelium norvegicum | Coppins & Tønsberg (1984) | Yes | Arthothelium norvegicum | Arthonia norvegica | 1743 | NT NR Sc | Arthothelium norvegicum |