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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1471 | Caloplaca luteoalba | (Turner) Th. Fr. (1860) | Yes | Caloplaca luteoalba | Cerothallia luteoalba | 266 | EN A2, C1 NS P Eng Sc Wa S8 | Caloplaca luteoalba | ||
| 1472 | Caloplaca marina | (Wedd.) Zahlbr. (1921) | Yes | Caloplaca marina | Caloplaca marina var. flavogranulata; Flavoplaca marina | 267 | LC | Caloplaca marina | ||
| 1473 | Caloplaca marina var. flavogranulata | (Wedd.) Zahlbr. | No | Caloplaca marina | 267 | LC | ||||
| 1474 | Caloplaca maritima | (B. de Lesd.) B. de Lesd. (1953) | Yes | Caloplaca maritima | Flavoplaca maritima | 280 | LC NS | Caloplaca maritima | ||
| 1475 | Caloplaca marmorata | (Bagl.) Jatta (1900) | Yes | Caloplaca marmorata | Caloplaca lactea auct. brit.; Xanthocarpia marmorata | 264 | LC | Caloplaca marmorata | ||
| 1476 | Caloplaca medians | (Nyl.) Flagey | No | Candelariella medians f. medians | 296 | LC | ||||
| 1477 | Caloplaca microthallina | (Wedd.) Zahlbr. (1931) | Yes | Caloplaca microthallina | Flavoplaca microthallina | 268 | LC | Caloplaca microthallina | ||
| 1478 | Caloplaca miniatula | (Nyl.) Zahlbr. | No | Caloplaca arnoldii subsp. oblitterata | 236 | LC | ||||
| 1479 | Caloplaca monacensis | (Leder.) Lettau (1912) | Yes | Caloplaca monacensis | 2496 | ? synonym of Caloplaca virescens | NE NR | Caloplaca monacensis | ||
| 1480 | Caloplaca murorum | (Ach.) Th. Fr. | No | Caloplaca saxicola | 277 | LC | ||||
| 1481 | Caloplaca murorum f. pusilla | auct. brit. | No | Caloplaca saxicola | 277 | LC | ||||
| 1482 | Caloplaca neotaurica | Vondrák, Khodosovtsev, Arup & Søchting (2012) | Yes | Caloplaca neotaurica | Kuettlingeria neotaurica; Pyrenodesmia neotaurica | 2595 | NE | |||
| 1483 | Caloplaca nivalis | (Körb.) Th. Fr. (1871) | Yes | Caloplaca nivalis | Lendemeriella nivalis | 269 | CR B, D NR S Sc S8 | Caloplaca nivalis | ||
| 1484 | Caloplaca oasis | (A. Massal.) Szatala (1932) | Yes | Caloplaca oasis | Caloplaca holocarpa auct. p.p.; Caloplaca lithophila auct. brit.; Caloplaca polycarpa auct. brit.; Flavoplaca oasis | 2461 | LC | Caloplaca oasis | ||
| 1485 | Caloplaca obliterans | (Nyl.) Blomb. & Forssell (1880) | Yes | Caloplaca obliterans | Leproplaca obliterans | 270 | LC NS | Caloplaca obliterans | ||
| 1486 | Caloplaca obliterascens | (Nyl.) Zahlbr. | No | Caloplaca arnoldii subsp. oblitterata | 236 | LC | ||||
| 1487 | Caloplaca obscurella | (J. Lahm) Th. Fr. (1871) | Yes | Caloplaca obscurella | Caloplaca sarcopisioides; Caloplaca sarcopidoides | 271 | LC | Caloplaca obscurella | ||
| 1488 | Caloplaca ochracea | (Schaer.) Flagey (1886) | Yes | Caloplaca ochracea | Caloplaca tetrasticha; Xanthocarpia ochracea | 272 | LC NS Sc | Caloplaca ochracea | ||
| 1489 | Caloplaca phaeocarpella | (Nyl.) Zahlbr. | No | ? Caloplaca pollinii | ||||||
| 1490 | Caloplaca phlogina | (Ach.) Flagey (1886) | Yes | Caloplaca phlogina | Caloplaca citrina auct. p.p.; Polycauliona phlogina; Scythioria phlogina | 2317 | NE ?NS | Caloplaca phlogina | ||
| 1491 | Caloplaca pollinii | (A. Massal.) Jatta (1900) | Yes | Caloplaca pollinii | Huneckia pollinii | 274 | Ex | Caloplaca pollinii | ||
| 1492 | Caloplaca polycarpa | auct. brit. | No | Caloplaca oasis | 2461 | LC | ||||
| 1493 | Caloplaca polycarpa | (A. Massal.) Zahlbr. (1919) | No | Caloplaca polycarpa | 1244 | incorrectly reported from the British Isles | ||||
| 1494 | Caloplaca pusilla | auct. brit. | No | Caloplaca saxicola | 277 | LC | ||||
| 1495 | Caloplaca pyracea | auct. brit. p.p. | No | Caloplaca holocarpa s. lat. | 261 | name or specific epithet valid but has been misused in the past | LC | |||
| 1496 | Caloplaca pyracea | auct. brit. p.p. | No | Caloplaca oasis | 2461 | name or specific epithet valid but has been misused in the past | LC | |||
| 1497 | Caloplaca pyracea | (Ach.) Zwackh (1862) | Yes | Caloplaca pyracea | Athallia pyracea; Caloplaca holocarpa auct. p.p. | 2528 | LC ?NS | Caloplaca pyracea | ||
| 1498 | Caloplaca pyracea var. pyrithroma | (Ach.) Flagey | No | Caloplaca holocarpa s. lat. | 261 | LC | ||||
| 1499 | Caloplaca ruderum | (Malbr.) J.R. Laundon (1976) | Yes | Caloplaca ruderum | 275 | LC | Caloplaca ruderum | |||
| 1500 | Caloplaca sarcopidoides | (Körb.) Zahlbr. (1910) | No | Caloplaca obscurella | 271 | LC |