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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1381 | Caloplaca aurantia var. irrubescens | (Arnold) Jatta (1900) | No | Caloplaca irrubescens | 262 | DD NR Sc | ||||
| 1382 | Caloplaca aurantiaca | (Lightf.) Th. Fr., non auct. | No | Caloplaca ferruginea s. lat. | 2280 | |||||
| 1383 | Caloplaca aurantiaca | auct. p.p. [corticolous] | No | Caloplaca flavorubescens | 254 | EN A NS P Eng Sc Wa | ||||
| 1384 | Caloplaca aurantiaca | auct. p.p. [saxicolous] | No | Caloplaca flavovirescens | 255 | LC | ||||
| 1385 | Caloplaca aurantiaca | No | 1544 | BLS number no longer used | ||||||
| 1386 | Caloplaca aurea | (Schaer.) Zahlbr. | No | incorrectly reported from the British Isles | ||||||
| 1387 | Caloplaca austrocitrina | Vondrák et al. (2009) | Yes | Caloplaca austrocitrina | Caloplaca citrina auct. p.p.; Flavoplaca austrocitrina | 2613 | Provisional identification for a common member of the Caloplaca citrina group | LC | Caloplaca austrocitrina | |
| 1388 | Caloplaca borreri | J.R. Laundon (2005) | Yes | Caloplaca borreri | 2430 | Ex | ||||
| 1389 | Caloplaca britannica | R. Sant. (1992) | Yes | Caloplaca britannica | 1689 | LC NS ?E Sc IR | Caloplaca britannica | |||
| 1390 | Caloplaca caesiorufa | auct. brit., non (Schrad.) Flagey | No | Caloplaca ceracea | 1644 | LC | ||||
| 1391 | Caloplaca caesiorufella | (Nyl.) Zahlbr. (1930) | Yes | Caloplaca caesiorufella | 232 | VU D2 NR P Sc | Caloplaca caesiorufella | |||
| 1392 | Caloplaca calcitrapa | Nav.-Ros., Gaya & Cl. Roux (2000) | Yes | Caloplaca calcitrapa | Flavoplaca calcitrapa | 2609 | NE NR | Caloplaca calcitrapa | ||
| 1393 | Caloplaca ceracea | J.R. Laundon (1992) | Yes | Caloplaca ceracea | Caloplaca caesiorufa | 1644 | LC | Caloplaca ceracea | ||
| 1394 | Caloplaca cerina | (Hedw.) Th. Fr. (1860) | Yes | Caloplaca cerina | 241 | LC | Caloplaca cerina | |||
| 1395 | Caloplaca cerina var. chlorina | (Flot.) Müll. Arg. (1862) | No | Caloplaca chlorina | 263 | LC | ||||
| 1396 | Caloplaca cerina var. chloroleuca | (Sm.) Th. Fr. (1871) | No | Caloplaca stillicidiorum | 1991 | LC NS | ||||
| 1397 | Caloplaca cerina var. cyanolepra | (DC.) J. Kickx (1867) | No | Caloplaca cerina | 241 | LC | ||||
| 1398 | Caloplaca cerina var. cyanopolia | (Nyl.) H. Olivier (1909) | No | Caloplaca chlorina | 263 | LC | ||||
| 1399 | Caloplaca cerina var. stillicidiorum | (Vahl) Th. Fr. (1861) | No | Caloplaca stillicidiorum | 1991 | LC NS | ||||
| 1400 | Caloplaca cerinella | (Nyl.) Flagey (1896) | Yes | Caloplaca cerinella | Athallia cerinella | 242 | LC | Caloplaca cerinella | ||
| 1401 | Caloplaca cerinelloides | (Erichsen) Poelt (1982) | Yes | Caloplaca cerinelloides | Athallia cerinelloides | 279 | LC NS | Caloplaca cerinelloides | ||
| 1402 | Caloplaca chalybaea | (Fr.) Müll. Arg. (1862) | Yes | Caloplaca chalybaea | Pyrenodesmia chalybaea | 243 | LC NS | Caloplaca chalybaea | ||
| 1403 | Caloplaca chlorina | (Flot.) H. Olivier (1912) | Yes | Caloplaca chlorina | Caloplaca cerina var. chlorina Caloplaca cerina var. cyanopolia Caloplaca isidiigera |
263 | LC | |||
| 1404 | Caloplaca chlorina | No | 244 | BLS number no longer used | Caloplaca chlorina | |||||
| 1405 | Caloplaca chrysodeta | (Vain. ex Räsänen) Dombr. (1970) | Yes | Caloplaca chrysodeta | Leproplaca chrysodeta | 825 | LC | Caloplaca chrysodeta | ||
| 1406 | Caloplaca chrysophthalma | Degel. (1944) | Yes | Caloplaca chrysophthalma | Solitaria chrysophthalma | 245 | DD NR | Caloplaca chrysophthalma | ||
| 1407 | Caloplaca cinnamomea | (Th. Fr.) H. Olivier (1909) | Yes | Caloplaca cinnamomea | Caloplaca ammiospila auct. brit. | 1746 | EN D NR Sc | Caloplaca cinnamomea | ||
| 1408 | Caloplaca cirrochroa | (Ach.) Th. Fr. (1871) | Yes | Caloplaca cirrochroa | Leproplaca cirrochroa | 246 | LC | Caloplaca cirrochroa | ||
| 1409 | Caloplaca citrina | auct. p.p. | No | Caloplaca limonia | 2607 | |||||
| 1410 | Caloplaca citrina | auct. p.p. | No | Caloplaca austrocitrina | 2613 |