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 glauca f. fallax | (Weber) Stein | No | Platismatia glauca | 1145 | LC | ||||
| 1712 | Cetraria glauca var. fallax | (Weber) Ach. (1810) | No | Platismatia glauca | 1145 | LC | ||||
| 1713 | Cetraria glauca var. tenuisecta | (Th. Fr.) A.L. Sm. (1918) | No | Platismatia glauca | 1145 | LC | ||||
| 1714 | Cetraria hepatizon | (Ach.) Vain. | No | Melanelia hepatizon | 332 | LC NS | ||||
| 1715 | Cetraria hiascens | (Fr.) Th. Fr. | No | Cetrariella delisei | 330 | NT NR Sc | ||||
| 1716 | Cetraria islandica f. platyna | (Ach.) Fr. (1831) | No | Cetraria islandica subsp. islandica | 333 | LC | ||||
| 1717 | Cetraria islandica subsp. crispiformis | (Räsänen) Kärnefelt (1979) | Yes | Cetraria islandica subsp. crispiformis | 334 | NE ? | Cetraria islandica subsp. crispiformis | |||
| 1718 | Cetraria islandica subsp. islandica | Yes | Cetraria islandica subsp. islandica | Cetraria islandica f. platyna | 333 | LC | Cetraria islandica subsp. islandica | |||
| 1719 | Cetraria islandica var. tenuifolia | (Retz.) Vain. | No | Cetraria ericetorum | 331 | LC NS | ||||
| 1720 | Cetraria juniperina | (L.) Ach. | No | Vulpicida juniperinus | 335 | Ex | ||||
| 1721 | Cetraria lacunosa | auct. brit. | No | Platismatia norvegica | 1146 | LC NS Sc IR | ||||
| 1722 | Cetraria muricata | (Ach.) Eckfeldt (1895) | Yes | Cetraria muricata | Coelocaulon aculeatum subsp. hispidum Coelocaulon muricatum Cornicularia muricata |
431 | LC | Cetraria muricata | ||
| 1723 | Cetraria nivalis | (L.) Ach. | No | Flavocetraria nivalis | 336 | NT NS Sc | ||||
| 1724 | Cetraria norvegica | (Lynge) Du Rietz | No | Platismatia norvegica | 1146 | LC NS Sc IR | ||||
| 1725 | Cetraria odontella | (Ach.) Ach. | No | incorrectly reported from the British Isles | ||||||
| 1726 | Cetraria pinastri | (Scop.) Gray | No | Vulpicida pinastri | 337 | NT NR P Sc | ||||
| 1727 | Cetraria polyschiza | (Nyl.) Jatta (1900) | No | Melanelia hepatizon | 332 | LC NS | ||||
| 1728 | Cetraria scutata | auct. | No | Tuckermannopsis chlorophylla | 327 | LC | ||||
| 1729 | Cetraria sepincola | auct. 19th C | No | Tuckermannopsis chlorophylla | 327 | LC | ||||
| 1730 | Cetraria sepincola | (Ehrh.) Ach. (1803) | Yes | Cetraria sepincola | 338 | LC | Cetraria sepincola | |||
| 1731 | Cetraria stuppea | (Flot. ex Körb.) Sandst. (1912) | No | Cetraria muricata | 431 | LC | ||||
| 1732 | Cetraria ulophylla | (Ach.) Rebent. | No | Tuckermannopsis chlorophylla | 327 | LC | ||||
| 1733 | Cetrariella commixta | (Nyl.) A. Thell & Kärnefelt (2004) | Yes | Cetrariella commixta | Cetraria commixta Cetraria fahlunensis auct. p.p. Melanelia commixta |
328 | LC NS | Cetrariella commixta | ||
| 1734 | Cetrariella delisei | (Bory ex Schaer.) Kärnefelt & A. Thell (1993) | Yes | Cetrariella delisei | Cetraria delisei Cetraria hiascens |
330 | NT NR Sc | Cetrariella delisei | ||
| 1735 | Cetrelia cetrarioides | (Delise ex Duby) W.L. Culb. & C.F. Culb. (1968) | Yes | Cetrelia cetrarioides | 2353 | chemical race of C. olivetorum | LC | CR | Cetrelia cetrarioides | |
| 1736 | Cetrelia chicitae | (W.L. Culb.) W.L. Culb. & C.F. Culb. (1968) | Yes | Cetrelia chicitae | 2354 | chemical race of C. olivetorum | NE NR | CR | Cetrelia chicitae | |
| 1737 | Cetrelia monachorum | (Zahlbr.) W.L. Culb. & C.F. Culb. (1968) | Yes | Cetrelia monachorum | 2355 | chemical race of C. olivetorum | LC | CR | Cetrelia monachorum | |
| 1738 | Cetrelia olivetorum s. lat. | s. lat. | Yes | Cetrelia olivetorum s. lat. | Parmelia cetrarioides s. lat. | 339 | LC | Cetrelia olivetorum s. lat. | ||
| 1739 | Cetrelia olivetorum s. str. | (Nyl.) W.L. Culb. & C.F. Culb. s. str. (1968) | Yes | Cetrelia olivetorum s. str. | 2352 | chemical race of C. olivetorum | NE NR | CR | Cetrelia olivetorum s. str. | |
| 1740 | Chaenotheca acicularis | auct. | No | Chaenotheca hispidula | 345 | LC NS |