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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6991 | Psora ostreata | Hoffm. | No | Hypocenomyce scalaris | 578 | LC | ||||
| 6992 | Psora petri | (Tuck.) Fink (1935) [orth. error] | No | Romjularia lurida | 1202 | LC | ||||
| 6993 | Psora petrii | (Tuck.) Fink (1935) | No | Romjularia lurida | 1202 | LC | ||||
| 6994 | Psora pissodes | (Stirt.) Walt. Watson | No | Clauzadeana macula | 746 | LC NS | ||||
| 6995 | Psora prostratula | (Stirt.) Walt. Watson | No | Lecidea fuscoatra s. lat. | 724 | |||||
| 6996 | Psora rhizobola | (Nyl.) Arnold | No | Trimmatothelopsis rhizobola | 767 | VU D2 NR Sc | ||||
| 6997 | Psora rubiformis | (Ach.) Hook. (1844) | Yes | Psora rubiformis | Lecidea rubiformis | 1204 | VU D2 NR Sc S8 | Psora rubiformis | ||
| 6998 | Psora scalaris | (Ach. ex Lilj.) Hook. | No | Hypocenomyce scalaris | 578 | LC | ||||
| 6999 | Psora testacea | (Hoffm.) Ach. | No | incorrectly reported from the British Isles | ||||||
| 7000 | Psora wallrothii | Flörke | No | Trapeliopsis wallrothii | 1437 | LC | ||||
| 7001 | Psoroglaena abscondita | (Coppins & Vězda) Hafellner & Türk (2001) | Yes | Psoroglaena abscondita | Macentina abscondita | 860 | LC NR | Psoroglaena abscondita | ||
| 7002 | Psoroglaena biatorella | (Arnold) Lücking & Sérus. (2008) | Yes | Psoroglaena biatorella | Leucocarpia biatorella | 1774 | DD NR Sc | Psoroglaena biatorella | ||
| 7003 | Psoroglaena stigonemoides | (Orange) Henssen (1995) | Yes | Psoroglaena stigonemoides | Macentina stigonemoides | 1630 | LC | Psoroglaena stigonemoides | ||
| 7004 | Psoroma brunneum | (Sw.) Gray | No | Protopannaria pezizoides | 979 | LC | ||||
| 7005 | Psoroma hypnorum | (Vahl) Gray (1821) | Yes | Psoroma hypnorum | 1205 | LC NS | Psoroma hypnorum | |||
| 7006 | Psoroma muscorum | (Ach.) Gray (1821) | No | Massalongia carnosa | 861 | LC | ||||
| 7007 | Psoroma polycarpum | (Hoffm.) Gray (1821) | No | Xanthoria polycarpa | 1531 | LC | ||||
| 7008 | Psoronactis dilleniana | (Ach.) Ertz & Tehler (2014) | Yes | Psoronactis dilleniana | Lecanactis dilleniana; Lecanographa dilleniana | 596 | LC NS | Psoronactis dilleniana | ||
| 7009 | Psorotichia diffundens | (Nyl.) Arnold (1869) | No | Porocyphus coccodes | 1184 | LC NS | ||||
| 7010 | Psorotichia furfurella | (Nyl.) Boistel | No | Porocyphus coccodes | 1184 | LC NS | ||||
| 7011 | Psorotichia lugubris | (Sommerf.) Arnold, non auct. brit. | No | Ropalospora lugubris | ||||||
| 7012 | Psorotichia lugubris | auct., non (Sommerf.) Arnold | No | Schaereria cinereorufa | 1311 | LC | ||||
| 7013 | Psorotichia pyrenopsoides | (Nyl.) Forssell (1885) | No | Porocyphus coccodes | 1184 | LC NS | ||||
| 7014 | Psorotichia schaereri | (A. Massal.) Arnold (1869) | Yes | Psorotichia schaereri | 1208 | LC NS | Psorotichia schaereri | |||
| 7015 | Pterygiopsis concordatula | (Nyl.) P.M. Jørg. (2007) | Yes | Pterygiopsis concordatula | Pterygiopsis coracodiza | 1796 | NT NS | Pterygiopsis concordatula | ||
| 7016 | Pterygiopsis coracodiza | (Nyl.) Henssen | No | Pterygiopsis concordatula | 1796 | NT NS | ||||
| 7017 | Pterygiopsis lacustris | P.M. Jørg. & R. Sant. (1990) | Yes | Pterygiopsis lacustris | 1797 | NT NR Sc | Pterygiopsis lacustris | |||
| 7018 | Pterygium centrifugum | Nyl. | No | Placynthium filiforme | Placynthium filiforme (Garov.) M. Choisy, incorrectly reported from the British Isles | |||||
| 7019 | Pterygium filiforme | (Garov.) M. Choisy | No | Placynthium filiforme | Placynthium filiforme (Garov.) M. Choisy, incorrectly reported from the British Isles | |||||
| 7020 | Pterygium kenmorense | (Nyl.) A.L. Sm. (1918) | No | Porocyphus kenmorensis | 1185 | NT NS Sc |