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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5221 | Lopidia bacidioides | Vezda ad int. | No | Fellhaneropsis vezdae | 171 | LC | ||||
| 5222 | Loxospora chloropolia | (Erichsen) Ptach-Styn, Guzow-Krzem., Tønsberg & Kukwa (2024) | Yes | Loxospora chloropolia | 2900 | NE | Loxospora chloropolia | |||
| 5223 | Loxospora cristinae | Guzow-Krzem., Łubek, Kubiak & Kukwa (2018) | No | Chicitaea cristinae | 2739 | NE NR | ||||
| 5224 | Loxospora elatina s. lat. | Yes | Loxospora elatina s. lat. | Haematomma elatinum | 551 | LC | Loxospora elatina s. lat. | |||
| 5225 | Loxospora elatina s. str. | (Ach.) A. Massal. (1852) | Yes | Loxospora elatina s. str. | Haematomma elatina auct. p.p. | 2901 | Critical species; best confirmed by sequence data | ? | Loxospora elatina s. str. | |
| 5226 | Macentina abscondita | Coppins & Vezda | No | Psoroglaena abscondita | 860 | LC NR | ||||
| 5227 | Macentina aurantiaca | P.M. McCarthy & Vezda | No | Nectria pseudopeziza | Nectria pseudopeziza (Desm.) Rossman | F | ||||
| 5228 | Macentina stigonemoides | Orange (1989) | No | Psoroglaena stigonemoides | 1630 | LC | ||||
| 5229 | Macrophomina pseudeverniae | Etayo & Diederich | No | Didymocyrtis pseudeverniae | 2107 | NE NR | LF | |||
| 5230 | Magmopsis argilospila | (Nyl.) Nyl. (1886) | No | Collemopsidium argilospilum | 77 | DD NR IR | ||||
| 5231 | Mallotium burgessii | (L.) Gray (1821) | No | Leptogium burgessii | 830 | LC Sc WaL IR | ||||
| 5232 | Mallotium saturninum | (Dicks.) Gray (1821) | No | Leptogium saturninum | 844 | VU C2 NS P Eng Sc | ||||
| 5233 | Marchandiobasidium aurantiacum | (Lasch) Diederich & Schultheis (2003) | No | Erythricium aurantiacum | 2108 | LC | LF | |||
| 5234 | Marchandiomyces aurantiacus | (Lasch) Diederich & Etayo (1996) | No | Erythricium aurantiacum | 2108 | LC | LF | |||
| 5235 | Marchandiomyces corallinus | (Roberge) Diederich & D. Hawksw. (1990) | Yes | Marchandiomyces corallinus | Illosporium corallinum | 2109 | LC | LF | Marchandiomyces corallinus | |
| 5236 | Marchantiana asserigena | (J. Lahm) Søchting & Arup (2018) | Yes | Marchantiana asserigena | Caloplaca asserigena | 2371 | LC NS | Marchantiana asserigena | ||
| 5237 | Marfloraea albescens | (Huds) S.Y. Kondr., L. Lökös & J.-S. Hur (2015) | No | Lepra albescens var. albescens | 1056 | LC | ||||
| 5238 | Marfloraea amara | (Ach.) S.Y. Kondr., L. Lökös & J.-S. Hur (2015) | No | Lepra amara | 1058 | LC | ||||
| 5239 | Marfloraea aspergilla | (Ach.) S.Y. Kondr., L. Lökös & J.-S. Hur (2015) | No | Lepra aspergilla | 1070 | LC | ||||
| 5240 | Marfloraea corallina | (L.) S.Y. Kondr., L. Lökös & J.-S. Hur (2015) | No | Lepra corallina | 1066 | LC | ||||
| 5241 | Marfloraea excludens | (Nyl.) S.Y. Kondr., L. Lökös & J.-S. Hur (2015) | No | Lepra excludens | 1071 | LC NS | ||||
| 5242 | Marfloraea ophthalmiza | (Nyl.) S.Y. Kondr., L. Lökös & J.-S. Hur (2015) | No | Lepra ophthalmiza | 1085 | LC NS Sc IR | ||||
| 5243 | Marfloraea pulvinata | (Erichsen) S.Y. Kondr., L. Lökös & J.-S. Hur (2015) | No | Lepra pulvinata | 1090 | NE NR | ||||
| 5244 | Massalongia carnosa | (Dicks.) Körb. (1855) | Yes | Massalongia carnosa | Massalongia carnosa var. determinata | 861 | LC | Massalongia carnosa | ||
| 5245 | Massalongia carnosa var. determinata | (Nyl.) A.L. Sm. | No | Massalongia carnosa | 861 | LC | ||||
| 5246 | Massalongia cheilea | Mudd | No | Vahliella leucophaea | 977 | LC | ||||
| 5247 | Massjukiella candelaria | (L.) S.Y. Kondr. et al. (2012) | No | Polycauliona candelaria s. str. | 2364 | LC | ||||
| 5248 | Massjukiella polycarpa | (Hoffm.) S.Y. Kondr. et al. (2012) | No | Polycauliona polycarpa | 1531 | LC | ||||
| 5249 | Massjukiella ucrainica | (S.Y. Kondr.) S.Y. Kondr. et al. (2012) | No | Polycauliona ucrainica | 950 | LC | ||||
| 5250 | Megalaria grossa | (Pers. ex Nyl.) Hafellner (1984) | Yes | Megalaria grossa | Catillaria grossa Catinaria grossa |
323 | LC | Megalaria grossa |