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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7261 | Pyrenula nitida var. nitidella | (Flörke ex Schaer.) Schaer. (1850) | No | Pyrenula nitidella | 1227 | Ex | ||||
| 7262 | Pyrenula nitidella | (Flörke ex Schaer.) Müll. Arg. (1885) | Yes | Pyrenula nitidella | Pyrenula nitida var. nitidella | 1227 | A possibly extinct species of E. Britain; most records refer to P. chlorospila | Ex | Pyrenula nitidella | |
| 7263 | Pyrenula nitidella auct. brit. p.max.p. | auct. brit. p.max.p. | No | Pyrenula chlorospila | 1221 | name or specific epithet valid but has been misused in the past | LC | |||
| 7264 | Pyrenula occidentalis | (R.C. Harris) R.C. Harris (1987) | Yes | Pyrenula occidentalis | Pyrenula laevigata auct. p.p. Pyrenula neglecta auct. |
1225 | LC Sc IR | Pyrenula occidentalis | ||
| 7265 | Pyrenula umbonata | Ach. | No | Pyrenocarpon thelostomum | 1813 | DD NR | ||||
| 7266 | Pyrenulella endococcoidea | (Nyl.) Fink | No | Phaeospora rimosicola | 2142 | LC NR | LF | |||
| 7267 | Pyrrhospora quernea | (Dicks.) Körb. (1855) | Yes | Pyrrhospora quernea | Lecidea quernea Protoblastenia quernea |
1228 | LC | Pyrrhospora quernea | ||
| 7268 | Pyrrhospora rubiginans | (Nyl.) P. James & Poelt (1981) | Yes | Pyrrhospora rubiginans | 1972 | LC NR Sc | Pyrrhospora rubiginans | |||
| 7269 | Pyrrhospora varians | (Ach.) R.C. Harris (1985) | No | Traponora varians | 1769 | DD NR | ||||
| 7270 | Raciborskiomyces peltigericola | (D. Hawksw.) M.E. Barr (1997) | No | Capronia peltigericola | 2271 | NE NR | LF | Raciborskiomyces peltigericola | ||
| 7271 | Racodium rupestre | Pers. (1797) | Yes | Racodium rupestre | 1229 | LC | Racodium rupestre | |||
| 7272 | Raesaenenia huuskonenii | (Räsänen) D. Hawksw., C. Boluda & H. Lindgren (2015) | Yes | Raesaenenia huuskonenii | Phacopsis huuskonenii; Protousnea huuskonenii; | 2138 | parasitic on Bryoria spp. | NE NR | LF | Raesaenenia huuskonenii |
| 7273 | Ramalina angustissima | (Anzi) Vain. | No | Ramalina subfarinacea | 1241 | LC | ||||
| 7274 | Ramalina armorica | Nyl. | No | Ramalina cuspidata | 1232 | LC | ||||
| 7275 | Ramalina atlantica | W. Culb. | No | Ramalina cuspidata | 1232 | LC | ||||
| 7276 | Ramalina baltica | auct. brit. | No | Ramalina canariensis | 1230 | LC | ||||
| 7277 | Ramalina breviuscula | auct. brit., non Nyl. | No | Ramalina siliquosa | 1240 | LC | ||||
| 7278 | Ramalina breviuscula | Nyl. | No | incorrectly reported from the British Isles | ||||||
| 7279 | Ramalina breviuscula f. gracilescens | Cromb. | No | Ramalina siliquosa | 1240 | LC | ||||
| 7280 | Ramalina calicaris | (L.) Fr. (1824) | Yes | Ramalina calicaris | 1231 | LC | Ramalina calicaris | |||
| 7281 | Ramalina calicaris var. canaliculata | Fr. | No | Ramalina calicaris | 1231 | LC | ||||
| 7282 | Ramalina calicaris var. subampliata | Nyl. | No | Ramalina calicaris | 1231 | LC | ||||
| 7283 | Ramalina calicaris var. subfastigiata | Nyl. | No | Ramalina calicaris | 1231 | LC | ||||
| 7284 | Ramalina canariensis | J. Steiner (1904) | Yes | Ramalina canariensis | Ramalina baltica auct. brit. Ramalina obtusata auct. brit. |
1230 | LC | Ramalina canariensis | ||
| 7285 | Ramalina capitata | (Ach.) Nyl. (1879) | Yes | Ramalina capitata | 1390 | DD NR | Ramalina capitata | |||
| 7286 | Ramalina chondrina | J. Steiner (1904) | Yes | Ramalina chondrina | Ramalina crinalis auct. brit. Ramalina thrausta auct. brit. |
1696 | VU D2 NR | Ramalina chondrina | ||
| 7287 | Ramalina crassa | (Delise ex Nyl.) Motyka | No | Ramalina siliquosa | 1240 | LC | ||||
| 7288 | Ramalina crinalis | auct. brit., non (Ach.) Gyeln. | No | Ramalina chondrina | 1696 | VU D2 NR | ||||
| 7289 | Ramalina crinalis | (Ach.) Gyeln. | No | Ramalina thrausta | incorrectly reported from the British Isles | |||||
| 7290 | Ramalina curnowii | Cromb. | No | Ramalina cuspidata | 1232 | LC |