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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6511 | Placidium custnani | A. Massal. | No | Placidiopsis custnani | 1132 | NT NS | ||||
| 6512 | Placidium lachneum | auct. brit. p.p. | No | Placidium lachneum | 301 | LC NS | ||||
| 6513 | Placidium lachneum | (Ach.) B. de Lesd. (1932) | Yes | Placidium lachneum | Catapyrenium lachneum Dermatocarpon hepaticum auct. p.p. Dermatocarpon lachneum |
301 | LC NS | Placidium lachneum | ||
| 6514 | Placidium michelii | A. Massal. (1855) | Yes | Placidium michelii | Catapyrenium michelii | 302 | VU D2 NR P | Placidium michelii | ||
| 6515 | Placidium pilosellum | (Breuss) Breuss (1996) | Yes | Placidium pilosellum | Catapyrenium pilosellum | 1586 | NT NS Sc | Placidium pilosellum | ||
| 6516 | Placidium rufescens | (Ach.) A. Massal. (1855) | Yes | Placidium rufescens | Catapyrenium rufescens Dermatocarpon lachneum auct. p.p. Dermatocarpon rufescens |
1776 | DD NR | Placidium rufescens | ||
| 6517 | Placidium squamulosum | (Ach.) Breuss (1996) | Yes | Placidium squamulosum | Catapyrenium squamulosum Dermatocarpon hepaticum auct. p.p. Dermatocarpon lachneum auct. p.p. |
1608 | LC | Placidium squamulosum | ||
| 6518 | Placocarpus psoromoides | (Borrer) Trev. | No | Catapyrenium psoromoides | 303 | CR D NR P Sc S8 | ||||
| 6519 | Placodium albolutescens | (Nyl.) A.L. Sm. | No | Caloplaca teicholyta | 281 | LC | ||||
| 6520 | Placodium atroflavum | (Turner) A.L. Sm. | No | Caloplaca atroflava | 237 | CR D NR P Wa | ||||
| 6521 | Placodium aurantiacum | auct. p.p. | No | Caloplaca flavorubescens | 254 | EN A NS P Eng Sc Wa | ||||
| 6522 | Placodium aurantiacum | auct. p.p. | No | Caloplaca flavovirescens | 255 | LC | ||||
| 6523 | Placodium aurantiacum subsp. irrubescens | (Nyl.) A.L. Sm. | No | Caloplaca irrubescens | 262 | DD NR Sc | ||||
| 6524 | Placodium aurantiacum var. flavovirescens | (Wulfen) Nägeli ex Hepp (1853) | No | Caloplaca flavovirescens | 255 | LC | ||||
| 6525 | Placodium aurantiacum var. inalpinum | (Ach.) H. Magn. | No | Caloplaca flavovirescens | 255 | LC | ||||
| 6526 | Placodium caesiorufum | auct. | No | Caloplaca ceracea | 1644 | LC | ||||
| 6527 | Placodium callopismum | (Ach.) Mérat | No | Caloplaca aurantia | 239 | LC | ||||
| 6528 | Placodium callopismum f. thallincolum | (Wedd.) Walt. Watson | No | Caloplaca thallincola | 282 | LC | ||||
| 6529 | Placodium callopismum var. brevilobatum | (Nyl.) A.L. Sm. | No | Caloplaca flavescens | 259 | LC | ||||
| 6530 | Placodium callopismum var. plicatum | (Wedd.) Leight. | No | Caloplaca flavescens | 259 | LC | ||||
| 6531 | Placodium canescens | (Dicks.) DC. (1805) | Diploicia canescens | 491 | LC | |||||
| 6532 | Placodium cerinellum | (Nyl.) Vain. | No | Caloplaca cerinella | 242 | LC | ||||
| 6533 | Placodium cerinum | (Hedw.) Nägeli ex Hepp (1853) | No | Caloplaca cerina | 241 | LC | ||||
| 6534 | Placodium cerinum f. cyanopolium | (Nyl.) A.L. Sm. | No | Caloplaca chlorina | 263 | LC | ||||
| 6535 | Placodium cerinum var. chlorina | (Flot.) Körb. | No | Caloplaca chlorina | 263 | LC | ||||
| 6536 | Placodium cerinum var. stilicidiorum | (Vahl) Hepp [orth. error] | No | Caloplaca stillicidiorum | 1991 | LC NS | ||||
| 6537 | Placodium cerinum var. stillicidiorum | (Vahl) Hepp (1857) | No | Caloplaca stillicidiorum | 1991 | LC NS | ||||
| 6538 | Placodium chalybaeum | (Fr.) Nägeli ex Hepp | No | Caloplaca chalybaea | 243 | LC NS | ||||
| 6539 | Placodium cirrochroum | (Ach.) Rabenh. | No | Caloplaca cirrochroa | 246 | LC | ||||
| 6540 | Placodium cirrochroum var. obliterans | (Nyl.) A.L. Sm. | No | Caloplaca obliterans | 270 | LC NS |