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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5641 | Omphalina griseopallida | No | 933 | BLS number no longer used | ||||||
| 5642 | Omphalina hudsoniana | (H.S. Jenn.) H.E. Bigelow | No | Lichenomphalia hudsoniana | 934 | |||||
| 5643 | Omphalina luteolilacina | (J. Favre) D.M. Hend. (1958) | No | Lichenomphalia hudsoniana | 934 | |||||
| 5644 | Omphalina luteovitellina | (Pilát & Nannf.) M. Lange | No | Lichenomphalia alpina | 935 | LC | ||||
| 5645 | Omphalina pararustica | Clémençon | No | Lichenomphalia velutina | 932 | LC ? | ||||
| 5646 | Omphalina pararustica | No | 1782 | BLS number no longer used | ||||||
| 5647 | Omphalina peltigerina | (Peck) P. Collin | No | Arrhenia peltigerina | 913 | NE NR | LF | |||
| 5648 | Omphalina pseudoandrosacea | No | 1783 | BLS number no longer used | ||||||
| 5649 | Omphalina pseudoandrosacea | (Bull.) M.M. Moser (1967) | No | Lichenomphalia ericetorum | 931 | LC | ||||
| 5650 | Omphalina umbellifera | auct. p.p. non (L. :Fr.) Quél. | No | Lichenomphalia ericetorum | 931 | LC | ||||
| 5651 | Omphalina velutina | (Quél.) Quél. | No | Lichenomphalia velutina | 932 | LC ? | ||||
| 5652 | Opegrapha abscondita | Th. Fr. | No | Lecanographa abscondita | 593 | LC NS | ||||
| 5653 | Opegrapha actophila | Nyl. | No | Opegrapha areniseda | 937 | LC NS Sc | ||||
| 5654 | Opegrapha amphotera | Nyl. | No | Opegrapha vulgata | 943 | LC | ||||
| 5655 | Opegrapha anomala | Leighton (1857) | No | Allographa anomala | 531 | LC NS Sc IR | ||||
| 5656 | Opegrapha anomea | Nyl. (1857) | Yes | Opegrapha anomea | 2477 | DD NR | LF | Opegrapha anomea | ||
| 5657 | Opegrapha areniseda | Nyl. (1875) | Yes | Opegrapha areniseda | Opegrapha actophila | 937 | LC NS Sc | Opegrapha areniseda | ||
| 5658 | Opegrapha arthoniicola in ed. | Coppins & S.Y. Kondr. in ed. | Yes | Opegrapha arthoniicola in ed. | 1994 | ; unpublished name | LC NS | LF | Opegrapha arthoniicola in ed. | |
| 5659 | Opegrapha atra | Pers. (1794) | No | Arthonia atra | 938 | LC | ||||
| 5660 | Opegrapha atra f. tenuior | Nyl. ex Leight. (1854) | No | Arthonia atra | 938 | LC | ||||
| 5661 | Opegrapha atra var. arthonioidea | Leight. (1861) | No | Arthonia atra | 938 | LC | ||||
| 5662 | Opegrapha atra var. denigrata | (Ach.) Schaer. (1823) | No | Arthonia atra | 938 | LC | ||||
| 5663 | Opegrapha atra var. nigrata | Leight. ex Mudd (1861) | No | arthonia atra | 938 | LC | ||||
| 5664 | Opegrapha atra var. obscura | sensu Leight. (1854), non (Pers.) Schaer. | No | Arthonia radiata | 69 | LC | ||||
| 5665 | Opegrapha atra var. parallela | Leight. ex Mudd (1861) | No | Arthonia atra | 938 | LC | ||||
| 5666 | Opegrapha atricolor | Stirt. (1876) | No | Alyxoria ochrocheila | 954 | LC | ||||
| 5667 | Opegrapha atrula | Nyl. (1877) | No | Arthonia calcarea | 959 | LC | ||||
| 5668 | Opegrapha betulina | Sm. (1811), non Pers. | No | Alyxoria culmigena | 948 | LC | ||||
| 5669 | Opegrapha brevis | Coppins (1987) | Yes | Opegrapha brevis | 1841 | NT NR Sc IR | LF | Opegrapha brevis | ||
| 5670 | Opegrapha calcarea | Turner ex Sm. (1807) | No | Arthonia calcarea | 959 | LC |