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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5311 | Melaspilea patersonii | Stirt. | No | Bactrospora dryina | 173 | CR D NR Sc | ||||
| 5312 | Melaspilea proximella | (Nyl.) Nyl. (1873) [1871-1874] | Yes | Melaspilea proximella | Melaspileella proximella | 1950 | LC NS | F | Melaspilea proximella | |
| 5313 | Melaspilea subarenacea | J. Nowak & Kiszka (1974) | No | Arthonia granitophila | 868 | LC NS | ||||
| 5314 | Melaspilea vermifera | Leight. (1876), nom. illeg. | No | Spirographa fusisporella | 2218 | LC NS | LF | |||
| 5315 | Melaspilea vermiformis | Leight. (1875) | No | Spirographa vermiformis | 2890 | NE NR | LF | |||
| 5316 | Melaspileella proximella | (Nyl.) Ertz & Diederich (2015) | No | Melaspilea proximella | 1950 | may become the correct name | LC NS | F | ||
| 5317 | Melittiosporium lichenicola | (Mont.) Massee (1895) [orth. error] | No | Diploschistes muscorum | 494 | LC | ||||
| 5318 | Mellitiosporium lichenicola | (Mont. & Fr.) Massee (1895) | No | Diploschistes muscorum | 494 | LC | ||||
| 5319 | Menegazzia pertusa | (Schaer.) Stein | No | Menegazzia terebrata | 869 | LC Sc IR | ||||
| 5320 | Menegazzia subsimilis | (H. Magn.) R. Sant. (1942) | Yes | Menegazzia subsimilis | 2447 | NT NR | Menegazzia subsimilis | |||
| 5321 | Menegazzia terebrata | (Hoffm.) A. Massal. (1854) | Yes | Menegazzia terebrata | 869 | LC Sc IR | Menegazzia terebrata | |||
| 5322 | Merismatium coccisporum | (Norman) Vouaux (1913) | Yes | Merismatium coccisporum | 2686 | in British Isles on Stereocaulon plicatile | NE NR | LF | Merismatium coccisporum | |
| 5323 | Merismatium deminutum | (Arnold) Cl. Roux & Nav.-Ros. (2002) | Yes | Merismatium deminutum | Polyblastia deminuta | 1152 | LC NS | LF | Merismatium deminutum | |
| 5324 | Merismatium discrepans | (J. Lahm) Triebel (1989) | Yes | Merismatium discrepans | Merismatium lopadii | 1154 | LC NS | LF | Merismatium discrepans | |
| 5325 | Merismatium heterophractum | (Nyl.) Vouaux (1913) | Yes | Merismatium heterophractum | 2771 | lichenicolous on Bacidia herbarum and prob. other species | NE NR | LF | Merismatium heterophractum | |
| 5326 | Merismatium lopadii | auct. brit. | No | Merismatium discrepans | 1154 | LC NS | LF | |||
| 5327 | Merismatium nigritellum | (Nyl.) Vouaux (1913) | Yes | Merismatium nigritellum | Polyblastia nigritella | 2110 | NE NR | LF | Merismatium nigritellum | |
| 5328 | Metamelaena umbonata | Henssen (orth. error) | No | Metamelanea umbonata | 2482 | DD NR | ||||
| 5329 | Metamelanea umbonata | Henssen (1989) | Yes | Metamelanea umbonata | 2482 | DD NR | Metamelanea umbonata | |||
| 5330 | Metasphaeria cetrariicola | (Nyl.) Sacc. | No | Lichenopeltella cetrariicola | 2098 | NE NR | LF | |||
| 5331 | Metasphaeria stereocaulorum | (Arnold) Sacc. | No | Cercidospora stereocaulorum | 2028 | LC NR | LF | |||
| 5332 | Metasphaeria tartarina | (Nyl.) Keissl. | No | Sagediopsis campsteriana | 2193 | NE NR | LF | |||
| 5333 | Micarea adnata | Coppins (1983) | Yes | Micarea adnata | 870 | LC NS | Micarea adnata | |||
| 5334 | Micarea aeruginoprasina | van den Boom, M. Brand, Guzow-Krzemińska & Sérus. (2019) | Yes | Micarea aeruginoprasina | 2822 | NE NR | Micarea aeruginoprasina | |||
| 5335 | Micarea alabastrites | (Nyl.) Coppins (1982) | Yes | Micarea alabastrites | Bacidia sphaeroides | 871 | LC Sc IR | Micarea alabastrites | ||
| 5336 | Micarea angulosa | Coppins, Chambers & Orange (2022) | Yes | Micarea angulosa | 2780 | NE NR | Micarea angulosa | |||
| 5337 | Micarea assimilata | (Nyl.) Coppins (1983) | Yes | Micarea assimilata | Helocarpon assimilata; Lecidea assimilata | 698 | VU D2 NR Sc | Micarea assimilata | ||
| 5338 | Micarea atroviridis | Coppins, Orange & Sanderson (2022) | Yes | Micarea atroviridis | Micarea nigra van den Boom et al. | 2823 | NE NR | Micarea atroviridis | ||
| 5339 | Micarea bacidiella | sensu Vezda, non (Vain.) Vezda | No | Micarea globulosella | 872 | DD NR | ||||
| 5340 | Micarea bauschiana | (Körb.) V. Wirth & Vězda (1976) | No | Brianaria bauschiana | 873 | LC |