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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5821 | Opegrapha ochrocheila | Nyl. (1865) | No | Alyxoria ochrocheila | 954 | LC | ||||
| 5822 | Opegrapha opaca | Nyl. (1853) | Yes | Opegrapha opaca | Opegrapha verrucariae in ed. | 2543 | parasitic on Verrucaria | LC NR | LF | Opegrapha opaca |
| 5823 | Opegrapha parasitica | auct. p.max.p. pre-1995 [on endolithic Verrucariaceae] | No | Opegrapha rupestris | 2132 | name or specific epithet valid but has been misused in the past | LC NS | LF | ||
| 5824 | Opegrapha parasitica | (A. Massal.) H. Olivier (1906) | Yes | Opegrapha parasitica | 1842 | LC NR | LF | Opegrapha parasitica | ||
| 5825 | Opegrapha parasitica auct. p.min.p. | auct. p.min.p. [on Xanthoria parietina] | No | Phacothecium varium | 1953 | name or specific epithet valid but has been misused in the past | LC NR | LF | ||
| 5826 | Opegrapha paraxanthodes | Nyl. (1879) | No | Alyxoria paraxanthodes | 955 | NT NR P Sc | ||||
| 5827 | Opegrapha persoonii | (Ach.) Chevall., nom. illeg. | No | Opegrapha rupestris | 2132 | LC NS | LF | |||
| 5828 | Opegrapha pertusariicola | Coppins & P. James (1979) | Yes | Opegrapha pertusariicola | 1843 | lichenicolous on Pertusaria leioplaca | LC NS Sc IR | LF | Opegrapha pertusariicola | |
| 5829 | Opegrapha physciaria | (Nyl.) D. Hawksw. & Coppins (1992) | No | Phacothecium varium | 1953 | LC NR | LF | |||
| 5830 | Opegrapha prosiliens | Stirt. (1874), non Mont. & Bosch | No | Alyxoria culmigena | 948 | LC | ||||
| 5831 | Opegrapha prosodea | Ach. (1803) | No | Zwackhia prosodea | 956 | NT NS P Eng Wa IR | ||||
| 5832 | Opegrapha protuberans | Zahlbr. (1923) | No | Alyxoria culmigena | 948 | LC | ||||
| 5833 | Opegrapha pseudovaria | Coppins ad int. | No | Alyxoria xerica | 1722 | LC NS | ||||
| 5834 | Opegrapha pulicaris | auct. | No | Alyxoria varia | 964 | LC | ||||
| 5835 | Opegrapha pulverulenta | Sm., non Pers. | No | Graphis inustuloides | 529 | LC | ||||
| 5836 | Opegrapha pulvinata | Rehm (1869) | Yes | Opegrapha pulvinata | 1954 | LC NR Sc | LF | Opegrapha pulvinata | ||
| 5837 | Opegrapha reactiva | (Alstrup & D. Hawksw.) Etayo & Diederich (2008) | Yes | Opegrapha reactiva | Kalaallia reactiva | 2075 | LC NR | LF | Opegrapha reactiva | |
| 5838 | Opegrapha rimalis | Ach. (1809) | No | Alyxoria varia | 964 | LC | ||||
| 5839 | Opegrapha rotunda | Hafellner (1994) | Yes | Opegrapha rotunda | 1067 | lichenicolous on Physconia distorta | LC NR Sc | LF | Opegrapha rotunda | |
| 5840 | Opegrapha rubefacta | Räsänen (1946) | Yes | Opegrapha rubefacta | 1882 | doubtfully British | DD NR | |||
| 5841 | Opegrapha rubella | auct. brit. p.max.p. | No | Pseudoschismatomma rufescens | 958 | LC | ||||
| 5842 | Opegrapha rubella | sensu Mudd | No | ? Zwackhia viridis | ||||||
| 5843 | Opegrapha rubescens | Sandst. (1912) | No | Alyxoria ochrocheila | 954 | LC | ||||
| 5844 | Opegrapha rufescens | Pers. (1794) | No | Pseudoschismatomma rufescens | 958 | LC | ||||
| 5845 | Opegrapha rupestris | Pers. (1794) | Yes | Opegrapha rupestris | Opegrapha parasitica auct. p.p. Opegrapha persoonii |
2132 | LC NS | LF | Opegrapha rupestris | |
| 5846 | Opegrapha sawyeriana | Coppins (2021) | Yes | Opegrapha sawyeriana | 2778 | lichenicolous on Coniocarpon cinnabarinum | NE NR | LF | Opegrapha sawyeriana | |
| 5847 | Opegrapha saxatilis | auct. brit. p.max.p. | No | Arthonia calcarea | 959 | LC | ||||
| 5848 | Opegrapha saxatilis | sensu Leight., non DC. | No | Alyxoria mougeotii | 952 | LC NS | ||||
| 5849 | Opegrapha saxatilis | DC., non auct. brit. | No | Opegrapha rupestris | 2132 | LC NS | LF | |||
| 5850 | Opegrapha saxicola | auct. | No | Opegrapha dolomitica | 960 | LC NS |