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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2071 | Clauzadeana macula | (Taylor) Coppins & Rambold (1989) | Yes | Clauzadeana macula | Aspicilia morioides Lecanora morioides |
746 | LC NS | Clauzadeana macula | ||
| 2072 | Cliostomum coppinsii | Fryday & Kantvilas (2010) | Yes | Cliostomum coppinsii | 2560 | DD NR E IR | Cliostomum coppinsii | |||
| 2073 | Cliostomum corrugatum | (Ach.) Fr. (1845) | Yes | Cliostomum corrugatum | Catillaria graniformisCliostomum graniforme | 428 | VU B NR P Eng | Cliostomum corrugatum | ||
| 2074 | Cliostomum flavidulum | Hafellner & Kalb (1992) | Yes | Cliostomum flavidulum | Lecanora navarrensis | 1393 | LC NS Sc | Cliostomum flavidulum | ||
| 2075 | Cliostomum graniforme | (K.G. Hagen) Coppins (1980) | No | Cliostomum corrugatum | 428 | VU B NR P Eng | ||||
| 2076 | Cliostomum griffithii | (Sm.) Coppins (1980) | Yes | Cliostomum griffithii | Catillaria griffithii | 429 | LC | Cliostomum griffithii | ||
| 2077 | Cliostomum leprosum | (Räsänen) Holien & Tønsberg (1992) | Yes | Cliostomum leprosum | 2414 | DD NR Sc | Cliostomum leprosum | |||
| 2078 | Cliostomum subtenerum | Coppins & Fryday (2012) | Yes | Cliostomum subtenerum | 2573 | Cliostomum subtenerum | ||||
| 2079 | Cliostomum tenerum | (Nyl.) Coppins & S. Ekman (1997) | Yes | Cliostomum tenerum | Lecania tenera Lecanora tenera |
689 | LC | Cliostomum tenerum | ||
| 2080 | Clypeococcum cladonema | (Wedd.) D. Hawksw. (1977) | Yes | Clypeococcum cladonema | 2032 | NE NR | LF | Clypeococcum cladonema | ||
| 2081 | Clypeococcum epicrassum | (H. Olivier) Nav.-Ros. & Cl. Roux | No | Clypeococcum psoromatis | 2033 | NE NR | LF | |||
| 2082 | Clypeococcum hemiamyloideum | Shivarov (2019) | Yes | Clypeococcum hemiamyloideum | 2754 | On Verrucaria anziana | NE NR | LF | ||
| 2083 | Clypeococcum hypocenomyceae | D. Hawksw. [orth. error] | No | Clypeococcum hypocenomyces | 2034 | LC | LF | |||
| 2084 | Clypeococcum hypocenomyces | D. Hawksw. (1980) | Yes | Clypeococcum hypocenomyces | Clypeococcum hypocenomyceae; Clypeococcum hypocenomycis | 2034 | on Hypocenomyce scalaris | LC | Clypeococcum hypocenomyces | |
| 2085 | Clypeococcum hypocenomycis | D. Hawksw. (1980) [orth. error] | No | Clypeococcum hypocenomyces | 2034 | LC | LF | |||
| 2086 | Clypeococcum psoromatis | (A. Massal.) Etayo (2010) | Yes | Clypeococcum psoromatis | Clypeococcum epicrassum | 2033 | NE NR | LF | Clypeococcum psoromatis | |
| 2087 | Coccotrema citrinescens | P. James & Coppins (1992) | Yes | Coccotrema citrinescens | 1699 | LC NS | Coccotrema citrinescens | |||
| 2088 | Coelocaulon aculeatum | (Schreb.) Link | No | Cetraria aculeata | 430 | LC | ||||
| 2089 | Coelocaulon aculeatum f. sorediatum | (Du Rietz) D. Hawksw. | No | Taeniolella rolfii | 2327 | Cetraria aculeata parasitized by Taeniolella rolfii {LF} | NE NR | |||
| 2090 | Coelocaulon aculeatum subsp. hispidum | (Cromb.) D. Hawksw. | No | Cetraria muricata | 431 | LC | ||||
| 2091 | Coelocaulon divergens | (Ach.) R. Howe | No | Bryocaulon divergens | Bryocaulon divergens (Ach.) Kärnefelt, incorrectly reported from the British Isles; the no. 432 was given to this taxon | |||||
| 2092 | Coelocaulon muricatum | (Ach.) J.R. Laundon (1984) | No | Cetraria muricata | 431 | LC | ||||
| 2093 | Coenogonium confusum | Malíček & Sanderson in ed. | No | Coenogonium nimisii | 2787 | NE NS | ||||
| 2094 | Coenogonium ebeneum | (Dillwyn) A.L. Sm. | No | Cystocoleus ebeneus | 477 | LC | ||||
| 2095 | Coenogonium luteum | (Dicks.) Kalb & Lücking (2000) | Yes | Coenogonium luteum | Dimerella lutea | 490 | LC L* | Coenogonium luteum | ||
| 2096 | Coenogonium nigrum | auct. | No | Cystocoleus ebeneus | 477 | LC | ||||
| 2097 | Coenogonium nimisii | Malíček & Sanderson (2023) | Yes | Coenogonium nimisii | Coenogonium confusum in ed. | 2787 | NE NS | Coenogonium nimisii | ||
| 2098 | Coenogonium pineti | (Ach.) Lücking & Lumbsch (2004) | Yes | Coenogonium pineti | Dimerella diluta; Dimerella pineti | 489 | LC | Coenogonium pineti | ||
| 2099 | Coenogonium tavaresianum | (Vězda) Lücking, Aptroot & Sipman (2006) | Yes | Coenogonium tavaresianum | Dimerella tavaresiana | 2695 | NE NR | Coenogonium tavaresianum | ||
| 2100 | Collema aggregatum | auct. | No | Gabura fascicularis | 444 | NT NS P Sc WaL IR |