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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2251 | Conida punctella | (Nyl.) Rehm (1897) | No | Arthonia punctella | 1929 | LC NR | LF | |||
| 2252 | Coniocarpon cinnabarinum | DC. (1805) | Yes | Coniocarpon cinnabarinum | Arthonia cinnabarina, Arthonia tumidula | 72 | LC | Coniocarpon cinnabarinum | ||
| 2253 | Coniocarpon cuspidans | (Nyl.) Moen, Frisch & Grube (2020) | Yes | Coniocarpon cuspidans | Arthonia elegans auct. brit. p.max.p. | 58 | LC | Coniocarpon cuspidans | ||
| 2254 | Coniocarpon fallax | (Ach.) Grube (2014) | Yes | Coniocarpon fallax | Arthonia elegans auct. brit; p.min.p. | 2760 | LC | Coniocarpon fallax | ||
| 2255 | Coniocybe brachypoda | Ach. (1816) | Yes | Coniocybe brachypoda | Chaenotheca brachypoda; Chaenotheca sulphurea; Coniocybe sulphurea | 470 | LC | Coniocybe brachypoda | ||
| 2256 | Coniocybe citrina | Leight. | No | Microcalicium arenarium | 1951 | LC NR | LF | |||
| 2257 | Coniocybe furfuracea | (L.) Ach. (1816) | Yes | Coniocybe furfuracea | Chaenotheca furfuracea | 466 | LC | Coniocybe furfuracea | ||
| 2258 | Coniocybe furfuracea f. fulva | (L.) Fr. (1831) | No | Coniocybe furfuracea | 466 | LC | ||||
| 2259 | Coniocybe furfuracea f. sulphurella | Fr. (1831) | No | Coniocybe furfuracea | 466 | LC | ||||
| 2260 | Coniocybe furfuracea var. fulva | (L.) Schaer. (1850) | No | Coniocybe furfuracea | 466 | LC | ||||
| 2261 | Coniocybe furfuracea var. sulphurella | (Fr.) Schaer. (1850) | No | Coniocybe furfuracea | 466 | LC | ||||
| 2262 | Coniocybe gracilenta | (Ach.) Ach. | No | Chaenotheca gracilenta | 467 | EN D NR P Eng Sc | ||||
| 2263 | Coniocybe hyalinella | Nyl. | No | Sclerophora peronella | 469 | NT NS | ||||
| 2264 | Coniocybe pallida | (Pers.) Fr. | No | Sclerophora pallida | 468 | VU C2, D1 NS P Eng Sc | ||||
| 2265 | Coniocybe peronella | (Ach.) Tibell | No | Sclerophora peronella | 469 | NT NS | ||||
| 2266 | Coniocybe sulphurea | (Retz.) Nyl. ex Cromb. (1886) | No | Coniocybe brachypoda | 470 | LC | ||||
| 2267 | Coniocybopsis arenaria | (Hampe ex A. Massal.) Vain. | No | Microcalicium arenarium | 1951 | LC NR | LF | |||
| 2268 | Coniosporium physciae | (Kalchbr.) Sacc. | No | Xanthoriicola physciae | 2272 | LC | LF | |||
| 2269 | Coniothecium graphideorum | (Nyl.) Keissl. | No | Milospium graphideorum | 892 | LC NS | LF | |||
| 2270 | Coniothecium lichenicola | Linds. | No | Sclerococcum sphaerale | 1848 | LC | LF | |||
| 2271 | Coniothecium sphaerale | (Ach.) Keissl. | No | Sclerococcum sphaerale | 1848 | LC | LF | |||
| 2272 | Conotrema homalotropum | (Nyl.) A.L. Sm. | No | Bactrospora homalotropa | 599 | LC NS Sc IR | ||||
| 2273 | Conotrema urceolatum | auct. brit. | No | Bactrospora homalotropa | 599 | LC NS Sc IR | ||||
| 2274 | Coppinsia minutissima | Lumbsch & Heibel (1998) | Yes | Coppinsia minutissima | 1977 | LC NS | Coppinsia minutissima | |||
| 2275 | Coppinsidea alba | (Coppins & Vězda) S.Y. Kondr., Farkas & Lőkös (2019) | No | Biatora veteranorum | 1911 | VU D1 NR Sc IR | ||||
| 2276 | Coppinsidea aphana | (Nyl.) S.Y. Kondr., Farkas & Lőkös (2019) | No | Catillaria aphana | 696 | NT NR X Eng Sc | ||||
| 2277 | Coppinsidea fuscoviridis | (Anzi) S.Y. Kondr., Farkas & Lőkös (2019) | No | Bacidia fuscoviridis | 148 | LC NS Sc | ||||
| 2278 | Coppinsidea scotinodes | (Nyl.) S.Y. Kondr., Farkas & Lőkös (2019) | No | Catillaria scotinodes | 770 | LC NS | ||||
| 2279 | Coppinsiella ulcerosa | (Coppins & P.James) S.Y. Kondr. & Lőkös (2018) | Yes | Coppinsiella ulcerosa | Caloplaca ulcerosa | 283 | LC | Coppinsiella ulcerosa | ||
| 2280 | Coriscium viride | (Ach.) Vain. (1890) | No | Lichenomphalia hudsoniana | 934 |