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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5491 | Myriolecis zosterae | (Ach.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis zosterae | Lecanora hagenii f. zosterae; Lecanora zosterae | 2287 | LC NS | Myriolecis zosterae | ||
| 5492 | Myrionora globulosa | (Flörke) S.Y. Kondr. (2019) | No | Biatora globulosa | 310 | NT NS Sc | ||||
| 5493 | Myrionora ligni-mollis | (T. Sprib. & Printzen) S.Y. Kondr. (2019) | No | Biatora ligni-mollis | 2536 | VU D1+2 NR | ||||
| 5494 | Myriospora benedarensis | (M. Knowles) Cl. Roux (2019) | No | Trimmatothelopsis benedarensis | 7 | DD NR Sc | ||||
| 5495 | Myriospora dilatata | (M. Westb. & Wedin) K. Knudsen & Arcadia (2012) | Yes | Myriospora dilatata | 2611 | Doubtfully recorded for the British Isles | NE | |||
| 5496 | Myriospora heppii | (Nägeli ex Körb.) Hue (1909) | No | Caeruleum heppii | 13 | LC NS | ||||
| 5497 | Myriospora myochroa | (M. Westb.) K. Knudsen & Arcadia (2012) | Yes | Myriospora myochroa | Silobia myochroa | 2601 | NE | Myriospora myochroa | ||
| 5498 | Myriospora rhagadiza | (Nyl.) K. Knudsen & Arcadia (2012) | Yes | Myriospora rhagadiza | Acarospora rhagadiza; Acarospora scyphulifera; Silobia rhagadiza | 2455 | NE NR | Myriospora rhagadiza | ||
| 5499 | Myriospora rufescens | (Ach.) Hepp ex Uloth (1861) | Yes | Myriospora rufescens | Acarospora fusca auct. p.p.Acarospora rufescensSilobia rufescens | 21 | LC | Myriospora rufescens | ||
| 5500 | Myriospora scabrida | (Hedl. ex H. Magn.) K. Knudsen & Arcadia (2012) | Yes | Myriospora scabrida | Acarospora scabrida; Acarospora verruciformis; Silobia scabrida | 31 | DD NR | Myriospora scabrida | ||
| 5501 | Myriospora smaragdula | (Wahlenb.) Nägeli ex Uloth (1861) | Yes | Myriospora smaragdula | Acarospora amphibola; Acarospora fusca p.p.; Acarospora smaragula; Silobia smaragdula; Trimmatothelopsis smaragdula | 25 | LC | Myriospora smaragdula | ||
| 5502 | Myriospora tangerina | (M. West. & Wedin) K. Knudsen & L. Arcadia (2012) | Yes | Myriospora tangerina | Silobia tangerina | 2674 | NE NR | Myriospora tangerina | ||
| 5503 | Myxobilimbia accedens | (Arnold) Hafellner | No | Bilimbia sabuletorum | 165 | LC | ||||
| 5504 | Myxobilimbia lobulata | (Sommerf.) Hafellner | No | Bilimbia lobulata | 1422 | LC | ||||
| 5505 | Myxobilimbia sabuletorum | (Schreb.) Hafellner | No | Bilimbia sabuletorum | 165 | LC | ||||
| 5506 | Myxophora leptogiophila | (Minks ex G. Winter) Nik. Hoffm. & Hafellner (2000) | Yes | Myxophora leptogiophila | 2305 | LC NR | LF | Myxophora leptogiophila | ||
| 5507 | Naetrocymbe atractospora | (Zahlbr.) R.C. Harris (1995) | Yes | Naetrocymbe atractospora | Arthopyrenia atractospora | 1979 | NT NR Sc | |||
| 5508 | Naetrocymbe carneobrunneola | (Coppins) R.C. Harris (1995) | Yes | Naetrocymbe carneobrunneola | Arthopyrenia carneobrunneola; Arthopyrenia punctiformis 'sp. B' sensu Coppins | 1622 | LC NS Sc IR | |||
| 5509 | Naetrocymbe fraxini | (A. Massal.) R.C. Harris (1995) | Yes | Naetrocymbe fraxini | Arthopyrenia fraxini | 1648 | LC NS | F | ||
| 5510 | Naetrocymbe nitescens | (Salwey) M.B. Aguirre, P.F. Cannon & Minter (2015) | Yes | Naetrocymbe nitescens | Arthopyrenia nitescens; Arthopyrenia punctiformis 'sp. A' sensu Coppins | 1605 | LC NS Sc IR | |||
| 5511 | Naetrocymbe punctiformis | (Pers.) R.C. Harris (1995) | Yes | Naetrocymbe punctiformis | Arthopyrenia cembrina; Arthopyrenia laburni; Arthopyrenia punctiformis; Arthopyrenia pyrenastrella | 1542 | LC | F | ||
| 5512 | Naetrocymbe saxicola | (A. Massal.) R.C. Harris (1995) | Yes | Naetrocymbe saxicola | Arthopyrenia saxicola; Pyrenocollema saxicola | 90 | LC NS | |||
| 5513 | Naevia punctiformis | (Ach.) A. Massal.(1855) | Yes | Naevia punctiformis | Arthonia punctiformis | 68 | LC | F | Naevia punctiformis | |
| 5514 | Nagrajchalara insignis | (Sacc., M. Rousseau & E. Bommer) W.P. Wu & Y.Z. Diao (2023) | Yes | Nagrajchalara insignis | 2873 | facultatively lichenicolous | NE | LF | ||
| 5515 | Nanostictis christiansenii | Etayo (1996) | Yes | Nanostictis christiansenii | 2170 | NT NR | LF | Nanostictis christiansenii | ||
| 5516 | Nectria epicallopisma | (Arnold) Sacc. | No | incorrectly reported from the British Isles | LF | |||||
| 5517 | Nectria epicallopisma | (Arnold) Sacc. & D. Sacc. (1905) | Yes | Nectria epicallopisma | 2122 | ; dubious taxon | NE NR | LF | ||
| 5518 | Nectria hirta | A. Bloxam | No | Trichonectria hirta | 2256 | NE NR | LF | |||
| 5519 | Nectria indigens | (Arnold) Rehm | No | Nectriopsis indigens | 2123 | NE NR | LF | |||
| 5520 | Nectria insidiosa | (Nyl.) Sacc. & D. Sacc. | No | Hymenobia aporea | 2073 | NE NR | LF |