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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2311 | Crocynia declivicola | Hue (1924) | No | application uncertain | ||||||
| 2312 | Crocynia finkii | B. de Lesd. | No | Lepraria finkii | 1629 | LC | ||||
| 2313 | Crocynia flava | (Schreb.) Hue | No | Chrysothrix candelaris | 354 | LC | ||||
| 2314 | Crocynia fragilis | B. de Lesd. | No | application uncertain (type lost) | ||||||
| 2315 | Crocynia grevilleana | B. de Lesd. | No | Botryolepraria lesdainii | 1628 | LC | ||||
| 2316 | Crocynia lanuginosa | auct. p.max.p. | No | Lepraria membranacea | 1603 | LC | ||||
| 2317 | Crocynia lanuginosa var. albescens | B. de Lesd. | No | Lepraria membranacea | 1603 | LC | ||||
| 2318 | Crocynia lanuginosa var. inactiva | B. de Lesd. | No | Lepraria membranacea | 1603 | LC | ||||
| 2319 | Crocynia latebrarum | (Ach.) Vain. (1921) | No | Dendrographa latebrarum | 1587 | LC NS Sc | ||||
| 2320 | Crocynia libricola | B. de Lesd. | No | application uncertain | ||||||
| 2321 | Crocynia mollissima | B. de Lesd. | No | Lepraria finkii | 1629 | LC | ||||
| 2322 | Crocynia rigidula | B. de Lesd. | No | Lepraria rigidula | 1715 | LC | ||||
| 2323 | Crocynia saxicola | B. de Lesd. ex Hue | No | application uncertain (type lost) | ||||||
| 2324 | Crocynia saxicola var. inactiva | B. de Lesd. ex Hue | No | application uncertain (type lost) | ||||||
| 2325 | Crocynia scotica | B. de Lesd. ex Hue | No | application uncertain (type lost) | ||||||
| 2326 | Crocynia tephra | Hue | No | ? Lepraria incana | ||||||
| 2327 | Crutarndina petractoides | (P.M. Jørg. & Brodo) Parnmen, Lücking & Lumbsch (2012) | Yes | Crutarndina petractoides | Ocellularia subtilis auct. europ.; Thelotrema petractoides; Thelotrema subtile auct. europ. | 1412 | LC Sc IR | Crutarndina petractoides | ||
| 2328 | Cryptodiscus cladoniicola | (D. (Hawksw. & R. Sant.) Pino-Bodas, Zhurb. & S. Stenroos (2017) | Yes | Cryptodiscus cladoniicola | Lettauia cladoniicola | 2084 | on Cladonia | NE NR | LF | Cryptodiscus cladoniicola |
| 2329 | Cryptodiscus gloeocapsa | (Arnold) Baloch, Gilenstam & Wedin (2009) | Yes | Cryptodiscus gloeocapsa | Bryophagus gloeocapsa, Gloeolecta bryophaga, Gyalecta bryophaga, Gyalecta gloeocapsa | 187 | LC NS | Cryptodiscus gloeocapsa | ||
| 2330 | Cryptodiscus rhopaloides | Sacc. (1881) | No | Karstenia rhopaloides | 456 | LC NS | ||||
| 2331 | Cryptolechia carneolutea | (Turner) A. Massal. (1853) | Yes | Cryptolechia carneolutea | Gyalecta carneolutea Gyalectina carneolutea |
473 | EN A2, C1+2, D NS P Eng IR | Cryptolechia carneolutea | ||
| 2332 | Cryptomyces peltigerae | Fuckel (1870) | No | Corticifraga peltigerae | 2038 | LC NS | LF | |||
| 2333 | Cryptothele rhodosticta | (Taylor) Henssen (1990) | No | Phylliscum rhodostictum | 1839 | DD NR IR | Cryptothele rhodosticta | |||
| 2334 | Cybebe gracilenta | (Ach.) Tibell | No | Chaenotheca gracilenta | 467 | EN D NR P Eng Sc | ||||
| 2335 | Cylindromonium lichenicola | (W. Gams) Crous (2019) | Yes | Cylindromonium lichenicola | Acremonium lichenicola | 2374 | NE NR | LF | Cylindromonium lichenicola | |
| 2336 | Cyphelium chlorellum | sensu Mudd, non (Ach.) Körb. | No | Chaenotheca hispidula | 345 | LC NS | ||||
| 2337 | Cyphelium chrysocephalum | (Ach.) De Not. (1846) | No | Chaenotheca chrysocephala | 343 | LC | ||||
| 2338 | Cyphelium citrinum | (Leight.) Mudd | No | Microcalicium arenarium | 1951 | LC NR | LF | |||
| 2339 | Cyphelium ferrugineum | (Turner ex Sm.) Ach. | No | Chaenotheca ferruginea | 344 | LC | ||||
| 2340 | Cyphelium inquinans | (Sm.) Trevis. (1862) | No | Acolium inquinans | 474 | LC |