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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1711 | Cetraria crispa | (Ach.) Nyl. | No | Cetraria ericetorum | 331 | LC NS | ||||
| 1712 | Cetraria cucullata | (Bellardi) Ach. | No | Flavocetraria cucullata | 329 | Flavocetraria cucullata (Bellardi) Kärnefelt & Thell, incorrectly reported from the British Isles | ||||
| 1713 | Cetraria delisei | (Bory ex Schaer.) Nyl. | No | Cetrariella delisei | 330 | NT NR Sc | ||||
| 1714 | Cetraria diffusa | auct. | No | Imshaugia aleurites | 1033 | LC | ||||
| 1715 | Cetraria ericetorum | Opiz (1852) | Yes | Cetraria ericetorum | 331 | LC NS | Cetraria ericetorum | |||
| 1716 | Cetraria fahlunensis | auct. p.p. | No | Cetrariella commixta | 328 | LC NS | ||||
| 1717 | Cetraria fahlunensis | auct. p.p. | No | Melanelia hepatizon | 332 | LC NS | ||||
| 1718 | Cetraria glauca | (L.) Ach. | No | Platismatia glauca | 1145 | LC | ||||
| 1719 | Cetraria glauca f. fallax | (Weber) Stein | No | Platismatia glauca | 1145 | LC | ||||
| 1720 | Cetraria glauca var. fallax | (Weber) Ach. (1810) | No | Platismatia glauca | 1145 | LC | ||||
| 1721 | Cetraria glauca var. tenuisecta | (Th. Fr.) A.L. Sm. (1918) | No | Platismatia glauca | 1145 | LC | ||||
| 1722 | Cetraria hepatizon | (Ach.) Vain. | No | Melanelia hepatizon | 332 | LC NS | ||||
| 1723 | Cetraria hiascens | (Fr.) Th. Fr. | No | Cetrariella delisei | 330 | NT NR Sc | ||||
| 1724 | Cetraria islandica f. platyna | (Ach.) Fr. (1831) | No | Cetraria islandica subsp. islandica | 333 | LC | ||||
| 1725 | Cetraria islandica subsp. crispiformis | (Räsänen) Kärnefelt (1979) | Yes | Cetraria islandica subsp. crispiformis | 334 | NE ? | Cetraria islandica subsp. crispiformis | |||
| 1726 | Cetraria islandica subsp. islandica | Yes | Cetraria islandica subsp. islandica | Cetraria islandica f. platyna | 333 | LC | Cetraria islandica subsp. islandica | |||
| 1727 | Cetraria islandica var. tenuifolia | (Retz.) Vain. | No | Cetraria ericetorum | 331 | LC NS | ||||
| 1728 | Cetraria juniperina | (L.) Ach. | No | Vulpicida juniperinus | 335 | Ex | ||||
| 1729 | Cetraria lacunosa | auct. brit. | No | Platismatia norvegica | 1146 | LC NS Sc IR | ||||
| 1730 | Cetraria muricata | (Ach.) Eckfeldt (1895) | Yes | Cetraria muricata | Coelocaulon aculeatum subsp. hispidum Coelocaulon muricatum Cornicularia muricata |
431 | LC | Cetraria muricata | ||
| 1731 | Cetraria nivalis | (L.) Ach. | No | Flavocetraria nivalis | 336 | NT NS Sc | ||||
| 1732 | Cetraria norvegica | (Lynge) Du Rietz | No | Platismatia norvegica | 1146 | LC NS Sc IR | ||||
| 1733 | Cetraria odontella | (Ach.) Ach. | No | incorrectly reported from the British Isles | ||||||
| 1734 | Cetraria pinastri | (Scop.) Gray | No | Vulpicida pinastri | 337 | NT NR P Sc | ||||
| 1735 | Cetraria polyschiza | (Nyl.) Jatta (1900) | No | Melanelia hepatizon | 332 | LC NS | ||||
| 1736 | Cetraria scutata | auct. | No | Tuckermannopsis chlorophylla | 327 | LC | ||||
| 1737 | Cetraria sepincola | (Ehrh.) Ach. (1803) | Yes | Cetraria sepincola | 338 | LC | Cetraria sepincola | |||
| 1738 | Cetraria sepincola auct. 19th C | auct. 19th C | No | Tuckermannopsis chlorophylla | 327 | LC | ||||
| 1739 | Cetraria stuppea | (Flot. ex Körb.) Sandst. (1912) | No | Cetraria muricata | 431 | LC | ||||
| 1740 | Cetraria ulophylla | (Ach.) Rebent. | No | Tuckermannopsis chlorophylla | 327 | LC |