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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1741 | Cetraria stuppea | (Flot. ex Körb.) Sandst. (1912) | No | Cetraria muricata | 431 | LC | ||||
| 1742 | Cetraria ulophylla | (Ach.) Rebent. | No | Tuckermannopsis chlorophylla | 327 | LC | ||||
| 1743 | Cetrariella commixta | (Nyl.) A. Thell & Kärnefelt (2004) | Yes | Cetrariella commixta | Cetraria commixta Cetraria fahlunensis auct. p.p. Melanelia commixta |
328 | LC NS | Cetrariella commixta | ||
| 1744 | Cetrariella delisei | (Bory ex Schaer.) Kärnefelt & A. Thell (1993) | Yes | Cetrariella delisei | Cetraria delisei Cetraria hiascens |
330 | NT NR Sc | Cetrariella delisei | ||
| 1745 | 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 | |
| 1746 | 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 | |
| 1747 | Cetrelia monachorum | (Zahlbr.) W.L. Culb. & C.F. Culb. (1968) | Yes | Cetrelia monachorum | 2355 | chemical race of C. olivetorum | LC | CR | Cetrelia monachorum | |
| 1748 | Cetrelia olivetorum s. lat. | s. lat. | Yes | Cetrelia olivetorum s. lat. | Parmelia cetrarioides s. lat. | 339 | LC | Cetrelia olivetorum s. lat. | ||
| 1749 | 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. | |
| 1750 | Chaenotheca acicularis | auct. | No | Chaenotheca hispidula | 345 | LC NS | ||||
| 1751 | Chaenotheca aeruginosa | auct. p.p. | No | Chaenotheca stemonea | 348 | LC NS | ||||
| 1752 | Chaenotheca aeruginosa | (Turner ex Sm.) A.L. Sm. | No | Chaenotheca trichialis | 349 | LC | ||||
| 1753 | Chaenotheca brachypoda | (Ach.) Tibell (1987) | No | Coniocybe brachypoda | 470 | LC | ||||
| 1754 | Chaenotheca brunneola | (Ach.) Müll. Arg. (1862) | Yes | Chaenotheca brunneola | 341 | LC | Chaenotheca brunneola | |||
| 1755 | Chaenotheca brunneola var. elassospora | (Nyl.) A.L. Sm. | No | Chaenotheca trichialis | 349 | LC | ||||
| 1756 | Chaenotheca carthusiae | (Harm.) Lettau | No | Chaenotheca chlorella | 342 | NT NS Sc | ||||
| 1757 | Chaenotheca chlorella | (Ach.) Müll. Arg. (1862) | Yes | Chaenotheca chlorella | Chaenotheca carthusiae | 342 | NT NS Sc | Chaenotheca chlorella | ||
| 1758 | Chaenotheca chlorella sensu Duncan (1970) | sensu Duncan (1970) | No | Chaenotheca phaeocephala | 347 | CR B NR P Wa | ||||
| 1759 | Chaenotheca chrysocephala | (Ach.) Th. Fr. (1860) | Yes | Chaenotheca chrysocephala | 343 | LC | Chaenotheca chrysocephala | |||
| 1760 | Chaenotheca chrysocephala var. filaris | (Ach.) Dalla Torre & Sarnth. | No | Chaenotheca chrysocephala | 343 | LC | ||||
| 1761 | Chaenotheca chrysocephala var. melanocephala | (Nyl.) A.L. Sm. | No | Chaenotheca chrysocephala | 343 | LC | ||||
| 1762 | Chaenotheca cinerea | (Pers.) Tibell (1980) | Yes | Chaenotheca cinerea | 2793 | NE NR | Chaenotheca cinerea | |||
| 1763 | Chaenotheca ferruginea | (Turner ex Sm.) Mig. (1931) | Yes | Chaenotheca ferruginea | Chaenotheca melanophaea | 344 | LC | Chaenotheca ferruginea | ||
| 1764 | Chaenotheca furfuracea | (L.) Tibell (1984) | No | Coniocybe furfuracea | 466 | LC | ||||
| 1765 | Chaenotheca gracilenta | (Ach.) J. Mattsson & Middelb. (1987) | Yes | Chaenotheca gracilenta | Coniocybe gracilenta Cybebe gracilenta |
467 | EN D NR P Eng Sc | Chaenotheca gracilenta | ||
| 1766 | Chaenotheca hispidula | (Ach.) Zahlbr. (1922) | Yes | Chaenotheca hispidula | 345 | LC NS | Chaenotheca hispidula | |||
| 1767 | Chaenotheca laevigata | Nádv. (1934) | Yes | Chaenotheca laevigata | 346 | EN D NR P Sc | Chaenotheca laevigata | |||
| 1768 | Chaenotheca melanophaea | (Ach.) Zwackh | No | Chaenotheca ferruginea | 344 | LC | ||||
| 1769 | Chaenotheca melanophaea var. ferruginea | (Turner ex Sm.) Lettau | No | Chaenotheca ferruginea | 344 | LC | ||||
| 1770 | Chaenotheca melanophaea var. flavocitrina | Paulson (1917) | No | Chaenotheca ferruginea | 344 | LC |