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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6241 | Peltula euploca | (Ach.) Poelt ex Pišút (1967) | Yes | Peltula euploca | 1055 | Recently reinstated on our list | NE NR | Peltula euploca | ||
| 6242 | Penttilamyces lichenicola | (Thorn, Malloch & Ginns) Zmitr., Kalinovskaya & Myasnikov (2019) | Yes | Penttilamyces lichenicola | Leucogyrophana lichenicola | 2627 | lichenicolous,on underside of mats of Cladonia subg. Cladina | NE NR | LF | Penttilamyces lichenicola |
| 6243 | Periconia phillipsii | Berk. & Leight. (1875) | No | Leightoniomyces phillipsii | 2080 | NE NR | LF | |||
| 6244 | Perigrapha superveniens | (Nyl.) Hafellner (1996) | Yes | Perigrapha superveniens | 2021 | NE NR | LF | Perigrapha superveniens | ||
| 6245 | Perspicinora leucophyma | (Leight.) Reidl (1990) | No | Koerberiella wimmeriana | 117 | LC NS | ||||
| 6246 | Pertusaria albescens var. albescens | (Huds.) M. Choisy & Werner (1932) | No | Lepra albescens var. albescens | 1056 | LC | ||||
| 6247 | Pertusaria albescens var. corallina | (Zahlbr.) J.R. Laundon (1963) | No | Lepra albescens var. corallina | 1057 | LC | ||||
| 6248 | Pertusaria alpina | Hepp ex Ahles | No | ? Pertusaria leioplaca | ||||||
| 6249 | Pertusaria amara f. amara | (Ach.) Nyl. (1873) | No | Lepra amara | 1058 | LC | ||||
| 6250 | Pertusaria amara f. isidiata | Harm. (1913) | No | Lepra amara | 1058 | LC | ||||
| 6251 | Pertusaria amara f. pulvinata | (Erichsen) Almb. (1948) | No | Lepra pulvinata | 1090 | NE NR | ||||
| 6252 | Pertusaria amara f. slesvicensis | (Erichsen) Almb. (1952) | No | Lepra amara | 1058 | British material is probably Lepra amara | LC | |||
| 6253 | Pertusaria amara var. flotowiana | (Flörke) Erichsen (1934) | No | Lepra amara | 1058 | LC | ||||
| 6254 | Pertusaria amarescens | Nyl. (1874) | Yes | Pertusaria amarescens | 1059 | LC NR Sc | Pertusaria amarescens | |||
| 6255 | Pertusaria areolata | auct. brit. | No | Lepra corallina | 1066 | LC | ||||
| 6256 | Pertusaria areolata | No | 1060 | BLS number no longer used | ||||||
| 6257 | Pertusaria aspergilla | (Ach.) J.R. Laundon (1992) | No | Lepra aspergilla | 1070 | LC | ||||
| 6258 | Pertusaria borealis | Erichsen (1938) | No | Lepra borealis | 1883 | LC NS Sc IR | ||||
| 6259 | Pertusaria brachyspora | Erichsen (1936) | No | incorrectly reported from the British Isles | ||||||
| 6260 | Pertusaria brachyspora | auct. brit., non Erichsen | No | Lepra monogona | 1082 | LC NS | ||||
| 6261 | Pertusaria bryontha | (Ach.) Nyl. (1861) | Yes | Pertusaria bryontha | 1061 | CR D NR S Sc S8 | Pertusaria bryontha | |||
| 6262 | Pertusaria carneopallida | (Nyl.) Anzi ex Nyl. | No | incorrectly reported from the British Isles | ||||||
| 6263 | Pertusaria ceuthocarpa | (Sm.) Turner & Borrer | No | Pertusaria pseudocorallina | 1089 | LC | ||||
| 6264 | Pertusaria ceuthocarpa f. microstictica | sensu Cromb. | No | Pertusaria pseudocorallina | 1089 | LC | ||||
| 6265 | Pertusaria ceuthocarpa var. variolosa | Mudd (1861) | No | Lepra monogona | 1082 | LC NS | ||||
| 6266 | Pertusaria ceuthocarpoides | Zahlbr. | No | Pertusaria pseudocorallina | 1089 | LC | ||||
| 6267 | Pertusaria chiodectonoides | Bagl. ex A. Massal. (1856) | Yes | Pertusaria chiodectonoides | 1063 | LC NS | Pertusaria chiodectonoides | |||
| 6268 | Pertusaria citrinescens | Coppins & P. James ad int. | No | Coccotrema citrinescens | 1699 | LC NS | ||||
| 6269 | Pertusaria coccodes | (Ach.) Nyl. (1857) | Yes | Pertusaria coccodes | Pertusaria coccodes var. isidiifera | 1064 | LC | Pertusaria coccodes | ||
| 6270 | Pertusaria coccodes var. isidiifera | (Erichsen) Almb. | No | Pertusaria coccodes | 1064 | LC |