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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1291 | Calicium hyperellum f. baliolum | (Ach.) Ach. | No | Calicium viride | 231 | LC | ||||
| 1292 | Calicium hyperellum f. viride | (Pers.) Cromb. | No | Calicium viride | 231 | LC | ||||
| 1293 | Calicium kylemoriensis | Larbal. ex Leight. | No | Sphinctrina leucopoda | 1958 | DD NR | LF | |||
| 1294 | Calicium lenticulare | Ach. (1816) | Yes | Calicium lenticulare | Calicium amylocaule Calicium subquercinum |
229 | LC NS Sc IR | Calicium lenticulare | ||
| 1295 | Calicium lichenoides | (L.) Schumach. [nom. rejic.] | No | Calicium salicinum | 228 | LC | ||||
| 1296 | Calicium melanophaeum | Ach. subsp. brunneolum (Ach.) Nyl. ex Norrl. | No | Chaenotheca brunneola | 341 | LC | ||||
| 1297 | Calicium melanophaeum | Ach. | No | Chaenotheca ferruginea | 344 | LC | ||||
| 1298 | Calicium melanophaeum subsp. brunneolum | (Ach.) Nyl. ex Norrl. | No | Chaenotheca brunneola | 341 | LC | ||||
| 1299 | Calicium melanophaeum var. ferrugineum | (Turner ex Sm.) Schaer. | No | Chaenotheca ferruginea | 344 | LC | ||||
| 1300 | Calicium microcephalum | (Sm.) Ach. | No | Sphinctrina anglica | 1957 | DD NR | LF | |||
| 1301 | Calicium notarisii | (Tul.) M. Prieto & Wedin (2016) | Yes | Calicium notarisii | Cyphelium notarisii | 475 | NT NS | Calicium notarisii | ||
| 1302 | Calicium parietinum | Ach. | No | Mycocalicium subtile | 1428 | LC NS Sc | F | |||
| 1303 | Calicium parvum | Tibell (1975) | Yes | Calicium parvum | 226 | NT NR Sc | Calicium parvum | |||
| 1304 | Calicium peronellum | auct. brit., non (Ach.) Ach. | No | Sclerophora pallida | 468 | VU C2, D1 NS P Eng Sc | ||||
| 1305 | Calicium phaeocephalum | (Turner) Turner & Borrer (1812) | No | Chaenotheca phaeocephala | 347 | CR B NR P Wa | ||||
| 1306 | Calicium pinastri | Tibell (1999) | Yes | Calicium pinastri | 2740 | NE NR | Calicium pinastri | |||
| 1307 | Calicium populneum | Brond. ex Duby | No | Phaeocalicium populneum | 19 | LC NR Sc | F | |||
| 1308 | Calicium pusillum | Flörke | No | Chaenothecopsis pusilla | 1931 | LC NS | ||||
| 1309 | Calicium quercinum | auct. brit. p.p. | No | Calicium glaucellum | 225 | name or specific epithet valid but has been misused in the past | LC | |||
| 1310 | Calicium quercinum | Pers. (1797) | Yes | Calicium quercinum | 227 | Ex | ||||
| 1311 | Calicium quercinum subsp. curtiusculum | (Nyl.) Cromb. | No | Calicium quercinum | 227 | Ex | ||||
| 1312 | Calicium quercinum subsp. curtum | (Turner & Borrer ex Sm.) Nyl. | No | Calicium abietinum | 222 | DD ? | ||||
| 1313 | Calicium quercinum var. lenticulare f. chlorodes | Nyl. (1886) | No | Calicium glaucellum | 225 | LC | ||||
| 1314 | Calicium retinens | Nyl. | No | Chaenothecopsis retinens | 1396 | NE NR | LF | |||
| 1315 | Calicium roscidum | Ach. | No | Calicium adspersum | 223 | CR D NR P Eng Wa | ||||
| 1316 | Calicium salicinum | Pers. (1794) | Yes | Calicium salicinum | Calicium lichenoides | 228 | LC | Calicium salicinum | ||
| 1317 | Calicium septatum | (Leight.) Leight. | No | Stenocybe septata | 1564 | LC Sc IR | F | |||
| 1318 | Calicium sessile | sensu Turner & Borrer, et sensu Sm., non Pers. | No | Sphinctrina turbinata | 1261 | LC NS | LF | |||
| 1319 | Calicium sessile var. marginatum | Turner & Borrer | No | Acolium sessile | 1545 | LC NS | ||||
| 1320 | Calicium sphaerocephalum | auct. | No | Calicium salicinum | 228 | LC |