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 arnoldii | sensu auct. brit. | No | Calogaya oblitterata | 236 | LC | ||||
| 1382 | Caloplaca arnoldii subsp. obliterata | (Pers.) Gaya (2009) [orthogr. error] | No | Calogaya oblitterata | 236 | orthographic error | LC | |||
| 1383 | Caloplaca arnoldii subsp. oblitterata | (Pers.) Gaya (2009) | No | Calogaya oblitterata | 236 | LC | Caloplaca arnoldii subsp. oblitterata | |||
| 1384 | Caloplaca asserigena | (J. Lahm) Della Torre & Sarnth. (1902) | No | Marchantiana asserigena | 2371 | LC NS | Caloplaca asserigena | |||
| 1385 | Caloplaca atroflava | (Turner) Mong. (1914) | No | Kuettlingeria atroflava | 237 | CR D NR P Wa | Caloplaca atroflava | |||
| 1386 | Caloplaca atroflava var. submersa | (Nyl.) H. Magn. | No | ? Caloplaca atroflava | ||||||
| 1387 | Caloplaca aurantia | (Pers.) Hellb. (1890) | Yes | Caloplaca aurantia | Klauderuiella aurantia; Variospora aurantia | 239 | LC | Caloplaca aurantia | ||
| 1388 | Caloplaca aurantia var. heppiana | (Müll. Arg.) Poelt (1954) | No | Caloplaca flavescens | 259 | LC | ||||
| 1389 | Caloplaca aurantia var. irrubescens | (Arnold) Jatta (1900) | No | Caloplaca irrubescens | 262 | DD NR Sc | ||||
| 1390 | Caloplaca aurantiaca | (Lightf.) Th. Fr., non auct. | No | Blastenia ferruginea s. lat. | 2280 | |||||
| 1391 | Caloplaca aurantiaca | auct. p.p. [corticolous] | No | Gyalolechia flavorubescens | 254 | EN A NS P Eng Sc Wa | ||||
| 1392 | Caloplaca aurantiaca | auct. p.p. [saxicolous] | No | Gyalolechia flavovirescens | 255 | LC | ||||
| 1393 | Caloplaca aurantiaca | No | 1544 | BLS number no longer used | ||||||
| 1394 | Caloplaca aurea | (Schaer.) Zahlbr. | No | incorrectly reported from the British Isles | ||||||
| 1395 | Caloplaca austrocitrina | Vondrák, Říha, Arup & Søchting (2009) | No | Flavoplaca austrocitrina | 2613 | LC | Caloplaca austrocitrina | |||
| 1396 | Caloplaca borreri | J.R. Laundon (2005) | Yes | Caloplaca borreri | 2430 | Ex | ||||
| 1397 | Caloplaca britannica | R. Sant. (1992) | No | Haloplaca britannica | 1689 | LC NS ?E Sc IR | Caloplaca britannica | |||
| 1398 | Caloplaca caesiorufa | auct. brit., non (Schrad.) Flagey | No | Kuettlingeria ceracea | 1644 | LC | ||||
| 1399 | Caloplaca caesiorufella | (Nyl.) Zahlbr. (1930) | Yes | Caloplaca caesiorufella | 232 | VU D2 NR P Sc | Caloplaca caesiorufella | |||
| 1400 | Caloplaca calcitrapa | Nav.-Ros., Gaya & Cl. Roux (2000) | No | Flavoplaca calcitrapa | 2609 | NE NR | Caloplaca calcitrapa | |||
| 1401 | Caloplaca ceracea | J.R. Laundon | No | Kuettlingeria ceracea | 1644 | LC | Caloplaca ceracea | |||
| 1402 | Caloplaca cerina | (Hedw.) Th. Fr. (1860) | Yes | Caloplaca cerina | 241 | LC | Caloplaca cerina | |||
| 1403 | Caloplaca cerina var. chlorina | (Flot.) Müll. Arg. (1862) | No | Caloplaca chlorina | 263 | LC | ||||
| 1404 | Caloplaca cerina var. chloroleuca | (Sm.) Th. Fr. (1871) | No | Caloplaca stillicidiorum | 1991 | LC NS | ||||
| 1405 | Caloplaca cerina var. cyanolepra | (DC.) J. Kickx (1867) | No | Caloplaca cerina | 241 | LC | ||||
| 1406 | Caloplaca cerina var. cyanopolia | (Nyl.) H. Olivier (1909) | No | Caloplaca chlorina | 263 | LC | ||||
| 1407 | Caloplaca cerina var. stillicidiorum | (Vahl) Th. Fr. (1861) | No | Caloplaca stillicidiorum | 1991 | LC NS | ||||
| 1408 | Caloplaca cerinella | (Nyl.) Flagey (1896) | No | Athallia cerinella | 242 | LC | Caloplaca cerinella | |||
| 1409 | Caloplaca cerinelloides | (Erichsen) Poelt (1982) | No | Athallia cerinelloides | 279 | LC NS | Caloplaca cerinelloides | |||
| 1410 | Caloplaca chalybaea | (Fr.) Müll. Arg. (1862) | No | Pyrenodesmia chalybaea | 243 | LC NS | Caloplaca chalybaea |