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 holocarpa s. lat. | s. lat. | No | Athallia holocarpa s. lat. | 261 | LC | ||||
| 1472 | Caloplaca holocarpa s. str. | (Hoffm.) A.E. Wade s. str. (1965) | No | Athallia holocarpa s. str. | 2527 | LC | ||||
| 1473 | Caloplaca incrustans | (DC.) Flagey | No | Protoblastenia incrustans | 1188 | LC | ||||
| 1474 | Caloplaca interfulgens | auct. p.p. | No | Flavoplaca maritima | 280 | LC NS | ||||
| 1475 | Caloplaca interfulgens | No | 1650 | BLS number no longer used | ||||||
| 1476 | Caloplaca irrubescens | (Nyl. ex Arnold) Zahlbr. (1898) | No | Squamulea subsoluta | 262 | DD NR Sc | ||||
| 1477 | Caloplaca isidiigera | auct. brit., non Vezda | No | Caloplaca chlorina | 263 | LC | ||||
| 1478 | Caloplaca itiana | sensu Orange (2018) non Cl. Roux, M. Boulanger & Malle (2009) | No | Flavoplaca calcitrapa | 2609 | NE NR | ||||
| 1479 | Caloplaca lactea | auct. brit. non (A. Massal.) Zahlbr. (1901) | No | Xanthocarpia fulva | 264 | LC | ||||
| 1480 | Caloplaca lallavei | (Clemente ex Ach.) Flagey (1886) | No | Kuettlingeria teicholyta | 281 | LC | ||||
| 1481 | Caloplaca lallavei | auct. brit. p.p., non (Clem. ex Ach.) Flagey | No | Kuettlingeria albolutescens | 2503 | some records may be Caloplaca teicholyta | LC NS | |||
| 1482 | Caloplaca lamprocheila | (DC.) Flagey (1888) | No | Rufoplaca arenaria | 235 | LC NS | ||||
| 1483 | Caloplaca limonia | Nimis & Poelt (1994) | No | Flavoplaca limonia | 2607 | LC | ||||
| 1484 | Caloplaca lithophila | auct. brit. | No | Flavoplaca oasis | 2461 | LC | ||||
| 1485 | Caloplaca littorea | Tav. (1956) | Yes | Caloplaca littorea | 265 | LC NS | Caloplaca littorea | |||
| 1486 | Caloplaca lobulata | (Flörke) Hellb. | No | incorrectly reported from the British Isles | ||||||
| 1487 | Caloplaca lucifuga | G. Thor (1988) | Yes | Caloplaca lucifuga | Lendemeriella lucifuga | 1642 | VU C, D1 NR P Eng Sc Wa | Caloplaca lucifuga | ||
| 1488 | Caloplaca luteoalba | (Turner) Th. Fr. (1860) | No | Cerothallia luteoalba | 266 | EN A2, C1 NS P Eng Sc Wa S8 | ||||
| 1489 | Caloplaca marina | (Wedd.) Zahlbr. (1921) | No | Flavoplaca marina | 267 | LC | ||||
| 1490 | Caloplaca marina var. flavogranulata | (Wedd.) Zahlbr. (1921) | No | Flavoplaca marina | 267 | LC | ||||
| 1491 | Caloplaca maritima | (B. de Lesd.) B. de Lesd. (1953) | No | Flavoplaca maritima | 280 | LC NS | ||||
| 1492 | Caloplaca marmorata | sensu auct. non (Bagl.) Jatta (1900) | No | Xanthocarpia fulva | 264 | LC | ||||
| 1493 | Caloplaca medians | (Nyl.) Flagey | No | Candelariella medians f. medians | 296 | LC | ||||
| 1494 | Caloplaca microthallina | (Wedd.) Zahlbr. (1931) | No | Flavoplaca microthallina | 268 | LC | ||||
| 1495 | Caloplaca miniatula | (Nyl.) Zahlbr. (1931) | No | Calogaya oblitterata | 236 | LC | ||||
| 1496 | Caloplaca monacensis | (Leder.) Lettau (1912) | Yes | Caloplaca monacensis | 2496 | ? synonym of Caloplaca virescens | NE NR | Caloplaca monacensis | ||
| 1497 | Caloplaca murorum | sensu auct. brit. | No | Calogaya pusilla | 277 | LC | ||||
| 1498 | Caloplaca murorum f. pusilla | auct. brit. | No | Calogaya pusilla | 277 | LC | ||||
| 1499 | Caloplaca neotaurica | Vondrák, Khodosovtsev, Arup & Søchting (2012) | No | Kuettlingeria neotaurica | 2595 | NE | ||||
| 1500 | Caloplaca nivalis | (Körb.) Th. Fr. (1871) | Yes | Caloplaca nivalis | Lendemeriella nivalis | 269 | CR B, D NR S Sc S8 | Caloplaca nivalis |