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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2341 | Cryptomyces peltigerae | Fuckel (1870) | No | Corticifraga peltigerae | 2038 | LC NS | LF | |||
| 2342 | Cryptothele rhodosticta | (Taylor) Henssen (1990) | No | Phylliscum rhodostictum | 1839 | DD NR IR | ||||
| 2343 | Cybebe gracilenta | (Ach.) Tibell | No | Chaenotheca gracilenta | 467 | EN D NR P Eng Sc | ||||
| 2344 | Cylindromonium lichenicola | (W. Gams) Crous (2019) | Yes | Cylindromonium lichenicola | Acremonium lichenicola | 2374 | NE NR | LF | Cylindromonium lichenicola | |
| 2345 | Cyphelium chlorellum | sensu Mudd, non (Ach.) Körb. | No | Chaenotheca hispidula | 345 | LC NS | ||||
| 2346 | Cyphelium chrysocephalum | (Ach.) De Not. (1846) | No | Chaenotheca chrysocephala | 343 | LC | ||||
| 2347 | Cyphelium citrinum | (Leight.) Mudd | No | Microcalicium arenarium | 1951 | LC NR | LF | |||
| 2348 | Cyphelium ferrugineum | (Turner ex Sm.) Ach. | No | Chaenotheca ferruginea | 344 | LC | ||||
| 2349 | Cyphelium inquinans | (Sm.) Trevis. (1862) | No | Acolium inquinans | 474 | LC | ||||
| 2350 | Cyphelium marcianum | B. de Lesd. (1908) | No | Acolium marcianum | 1865 | DD NR Sc | LF | |||
| 2351 | Cyphelium melanophaeum | (Ach.) Körb. | No | Chaenotheca ferruginea | 344 | LC | ||||
| 2352 | Cyphelium notarisii | (Tul.) Blomb. & Forssell (1880) | No | Calicium notarisii | 475 | NT NS | ||||
| 2353 | Cyphelium phaeocephalum | (Turner) Körb. | No | Chaenotheca phaeocephala | 347 | CR B NR P Wa | ||||
| 2354 | Cyphelium sessile | auct. p.p. 19th C | No | Sphinctrina turbinata | 1261 | name or specific epithet valid but has been misused in the past | LC NS | |||
| 2355 | Cyphelium sessile | (Pers.) Trevis. (1862) | No | Acolium sessile | 1545 | LC NS | LF | |||
| 2356 | Cyphelium stigonellum | auct. brit. | No | Acolium sessile | 1545 | LC NS | LF | |||
| 2357 | Cyphelium stigonellum | (Ach.) Chevall.) | No | Sphinctrina turbinata | 1261 | LC NS | LF | |||
| 2358 | Cyphelium tigillare | (Ach.) Ach. (1815) | No | Calicium tigillare | 476 | NT NR Sc | ||||
| 2359 | Cyphelium trachylioides | (Nyl. ex Branth & Rostr.) Erichsen (1938) | No | Calicium trachylioides | 1990 | CR D NR P Sc IR | ||||
| 2360 | Cyphelium trichiale | (Ach.) De Not. (1846) | No | Chaenotheca trichialis | 349 | LC | ||||
| 2361 | Cyphelium trichiale var. brunneolum | (Ach.) Mudd | No | Chaenotheca brunneola | 341 | LC | ||||
| 2362 | Cyphelium trichiale var. ferrugineum | (Turner ex Sm.) Mudd | No | Chaenotheca ferruginea | 344 | LC | ||||
| 2363 | Cyphelium trichiale var. stemoneum | (Ach.) Mudd | No | Chaenotheca stemonea | 348 | LC NS | ||||
| 2364 | Cyphelium tympanellum | (Ach.) Ach. | No | Calicium inquinans | 474 | LC | ||||
| 2365 | Cyphobasidium usneicola | (Diederich & Alstrup) Millanes, Diederich & Wedin (2016) | Yes | Cyphobasidium usneicola | 2825 | on Usnea | NE NR | LF | Cyphobasidium usneicola | |
| 2366 | Cyrtidula hippocastani | (DC.) R.C. Harris (1995) | Yes | Cyrtidula hippocastani | Dermatina hippocastani Mycoporum hippocastani |
911 | LC NS | F | Cyrtidula hippocastani | |
| 2367 | Cyrtidula major | (Nyl.) Vain. (1921) | Yes | Cyrtidula major | 2338 | LC NR | F | Cyrtidula major | ||
| 2368 | Cyrtidula quercus | (A. Massal.) Minks (1891) | Yes | Cyrtidula quercus | Dermatina quercus Mycoporum quercus |
912 | LC | F | Cyrtidula quercus | |
| 2369 | Cystocoleus ebeneus | (Dillwyn) Thwaites (1849) | Yes | Cystocoleus ebeneus | Cystocoleus niger | 477 | LC | Cystocoleus ebeneus | ||
| 2370 | Cystocoleus niger | (Huds.) Har. (1890) | No | Cystocoleus ebeneus | 477 | LC |