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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5191 | Melanospora cerebrina | (DC.) Mudd | No | Poeltinula cerebrina | 501 | VU B NR P Eng Sc | ||||
| 5192 | Melanotheca diffusa | Leight. | No | Tomasellia diffusa | 1730 | LC NR Sc | F | |||
| 5193 | Melanotheca gelatinosa | (Chevall.) Zahlbr. | No | Tomasellia gelatinosa | 1565 | LC | F | |||
| 5194 | Melanotheca ischnobela | Nyl. | No | Celothelium ischnobelum | 1566 | LC | ||||
| 5195 | Melaspilea amota | Nyl. (1867) | Yes | Melaspilea amota | 864 | NT NR | F | Melaspilea amota | ||
| 5196 | Melaspilea atroides | Coppins (1992) | Yes | Melaspilea atroides | 1718 | LC NS Sc IR | Melaspilea atroides | |||
| 5197 | Melaspilea bagliettoana | Zahlbr. (1904) | Yes | Melaspilea bagliettoana | 876 | NT NR Sc | F | Melaspilea bagliettoana | ||
| 5198 | Melaspilea constrictella | Stirt. | No | 865 | type and only collection considered not to have originated from the British Isles, BLS number no longer used | |||||
| 5199 | Melaspilea diplasiospora | auct. brit. | Yes | Melaspilea diplasiospora | 866 | Differs from the type which is non-lichenicolous | NE NR | LF | ||
| 5200 | Melaspilea diplasiospora | (Nyl.) Müll. Arg. (1887) | No | Melaspileopsis diplasiospora | incorrectly reported from the British Isles | F | Melaspilea diplasiospora | |||
| 5201 | Melaspilea granitophila | (Th. Fr.) Coppins (1989) | No | Arthonia granitophila | 868 | LC NS | ||||
| 5202 | Melaspilea interjecta | (Leight.) A.L. Sm. (1911) | Yes | Melaspilea interjecta | Encephalographa interjecta | 1719 | DD NR Sc IR | Melaspilea interjecta | ||
| 5203 | Melaspilea leciographoides | Vouaux (1913) | Yes | Melaspilea leciographoides | 1948 | NE NR | LF | |||
| 5204 | Melaspilea lentiginosa | (Lyell ex Leight.) Müll. Arg. (1887) | No | Stictographa lentiginosa | 1554 | NT NR P Eng Wa IR | LF | |||
| 5205 | Melaspilea lentiginosula | (Nyl.) A.L. Sm. (1911) | Yes | Melaspilea lentiginosula | 1949 | NT NR Sc IR | F | Melaspilea lentiginosula | ||
| 5206 | Melaspilea ochrothalamia | Nyl. (1865) | Yes | Melaspilea ochrothalamia | 867 | LC NS | F | Melaspilea ochrothalamia | ||
| 5207 | Melaspilea patersonii | Stirt. | No | Bactrospora dryina | 173 | CR D NR Sc | ||||
| 5208 | Melaspilea proximella | (Nyl.) Nyl. (1873) [1871-1874] | Yes | Melaspilea proximella | Melaspileella proximella | 1950 | LC NS | F | Melaspilea proximella | |
| 5209 | Melaspilea subarenacea | J. Nowak & Kiszka (1974) | No | Arthonia granitophila | 868 | LC NS | ||||
| 5210 | Melaspilea vermifera | Leight. (1876), nom. illeg. | No | Spirographa fusisporella | 2218 | LC NS | LF | |||
| 5211 | Melaspilea vermiformis | Leight. (1875) | No | Spirographa fusisporella | 2218 | LC NS | LF | |||
| 5212 | Melaspileella proximella | (Nyl.) Ertz & Diederich (2015) | No | Melaspilea proximella | 1950 | may become the correct name | LC NS | F | ||
| 5213 | Melittiosporium lichenicola | (Mont.) Massee (1895) [orth. error] | No | Diploschistes muscorum | 494 | LC | ||||
| 5214 | Mellitiosporium lichenicola | (Mont. & Fr.) Massee (1895) | No | Diploschistes muscorum | 494 | LC | ||||
| 5215 | Menegazzia pertusa | (Schaer.) Stein | No | Menegazzia terebrata | 869 | LC Sc IR | ||||
| 5216 | Menegazzia subsimilis | (H. Magn.) R. Sant. (1942) | Yes | Menegazzia subsimilis | 2447 | NT NR | Menegazzia subsimilis | |||
| 5217 | Menegazzia terebrata | (Hoffm.) A. Massal. (1854) | Yes | Menegazzia terebrata | 869 | LC Sc IR | Menegazzia terebrata | |||
| 5218 | Merismatium coccisporum | (Norman) Vouaux (1913) | Yes | Merismatium coccisporum | 2686 | in British Isles on Stereocaulon plicatile | NE NR | LF | ||
| 5219 | Merismatium deminutum | (Arnold) Cl. Roux & Nav.-Ros. (2002) | Yes | Merismatium deminutum | Polyblastia deminuta | 1152 | LC NS | LF | Merismatium deminutum | |
| 5220 | Merismatium discrepans | (J. Lahm) Triebel (1989) | Yes | Merismatium discrepans | Merismatium lopadii | 1154 | LC NS | LF | Merismatium discrepans |