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 | Authority | Is Current Name? | Current Taxon Name | Synonyms | BLS Number | Comments | Conservation Evaluation | Group | Account & Map |
|---|---|---|---|---|---|---|---|---|---|---|
| 541 | Arthrorhaphis citrinella | (Ach.) Poelt (1969) | Yes | Arthrorhaphis citrinella | Bacidia citrinella | 100 | LC | Arthrorhaphis citrinella | ||
| 542 | Arthrorhaphis fuscireagens | auct. [orth. var.] | No | Arthrorhaphis muddii | 1923 | NE NR | LF | |||
| 543 | Arthrorhaphis fuscoreagens | (Vain.) Poelt (1969), non auct. | No | Arthrorhaphis grisea | 313 | LC NS | LF | |||
| 544 | Arthrorhaphis fuscoreagens | auct. | No | Arthrorhaphis muddii | 1923 | NE NR | LF | |||
| 545 | Arthrorhaphis grisea | Th. Fr. (1860) | Yes | Arthrorhaphis grisea | Gongylia sabuletorum | 313 | LC NS | LF | Arthrorhaphis grisea | |
| 546 | Arthrorhaphis muddii | Obermayer (1994) | Yes | Arthrorhaphis muddii | Arthrorhaphis fuscireagens | 1923 | NE NR | LF | Arthrorhaphis muddii | |
| 547 | Arthrorhaphis vacillans | Th. Fr. & Almq. ex Fr. (1867) | Yes | Arthrorhaphis vacillans | 119 | DD NR Sc | Arthrorhaphis vacillans | |||
| 548 | Ascochyta lichenoides | (A.L. Sm.) D. Hawksw. | No | Crustodiplodina lichenoides | Crustodiplodina lichenoides (A.L. Sm.) Punith. | F | ||||
| 549 | Ascochytula lecanorae | (Vouaux) Keissl. (1924) | No | Lichenodiplis lecanorae | 2096 | LC NS | LF | |||
| 550 | Aspergillus glaucus | (L.) Link (1809) | Yes | Aspergillus glaucus | 2014 | NE NR | LF | Aspergillus glaucus | ||
| 551 | Aspicilia alpina | (Sommerf.) Arnold | No | Bellemerea alpina | 101 | CR B NR S Sc | ||||
| 552 | Aspicilia aquatica | (Fr.) Körb. (1855) | Yes | Aspicilia aquatica | 2396 | DD NR | Aspicilia aquatica | |||
| 553 | Aspicilia bockii | auct. brit. | No | Rimularia badioatra | 733 | LC NS | ||||
| 554 | Aspicilia caesiocinerea | (Nyl. ex Malbr.) Arnold (1886) | No | Circinaria caesiocinerea | 102 | LC | ||||
| 555 | Aspicilia calcarea | (L.) Körb. (1859) | No | Circinaria calcarea | 103 | LC | ||||
| 556 | Aspicilia calcarea var. contorta | (Hoffm.) Körb. (1865) | No | Circinaria contorta | 107 | LC | ||||
| 557 | Aspicilia cambusiana | Walt. Watson | No | Schaereria fuscocinerea var. fuscocinerea | 1313 | LC | ||||
| 558 | Aspicilia cinerea s. lat. | s. lat. | Yes | Aspicilia cinerea s. lat. | Lecanora cinerea s. lat. | 104 | LC | Aspicilia cinerea s. lat. | ||
| 559 | Aspicilia cinerea s. str. | (L.) Körb. s. str. (1855) | Yes | Aspicilia cinerea s. str. | Lecanora cinerea | 2350 | LC NE | Aspicilia cinerea s. str. | ||
| 560 | Aspicilia cinereorufescens | (Ach.) A. Massal. | No | Bellemerea cinereorufescens | Bellemerea cinereorufescens (Ach.) Clauzade & Cl. Roux, Incorrectly reported from the British Isles | |||||
| 561 | Aspicilia complanata | (Körb.) Stein (1879) | No | Miriquidica complanata f. complanata | 106 | LC NS | ||||
| 562 | Aspicilia complanatoides | (A.L. Sm.) Walt. Watson | No | Schaereria fuscocinerea var. fuscocinerea | 1313 | LC | ||||
| 563 | Aspicilia contorta subsp. contorta | (Hoffm.) Kremp. (1861) | No | Circinaria contorta | 107 | LC | ||||
| 564 | Aspicilia contorta subsp. hoffmanniana | S. Ekman & Fröberg ex R. Sant. (1993) | No | Circinaria hoffmanniana | 113 | LC NS | ||||
| 565 | Aspicilia cupreogrisea | (Th. Fr.) Hue | No | status of British material uncertain, BLS number no longer used | ||||||
| 566 | Aspicilia depressa | auct. brit. p.max.p. | No | Aspicilia laevata | 115 | LC NS | ||||
| 567 | Aspicilia epiglypta | (Norrl. ex Nyl.) Hue (1910) | Yes | Aspicilia epiglypta | Lecanora epiglypta | 109 | LC NS | Aspicilia epiglypta | ||
| 568 | Aspicilia epulotica | (Ach.) Anzi (1860) | No | Hymenelia epulotica | 585 | LC NS | ||||
| 569 | Aspicilia excavata | G. Thor & Timdal (1986) | No | Acarospora moenium | 1975 | LC NR Sc | ||||
| 570 | Aspicilia flavida | (Hepp) Arnold (1861) | No | Eiglera flavida | 110 | LC NR |