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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6901 | Porina linearis | (Leight.) Zahlbr. (1922) | Yes | Porina linearis | Porina chlorotica var. linearis Porina chlorotica var. persicina |
1182 | LC | Porina linearis | ||
| 6902 | Porina lucens | (Taylor) A.L. Sm. | No | Porina guentheri var. lucens | 1176 | LC NS | ||||
| 6903 | Porina mammillosa | (Th. Fr.) Vain. (1922) | Yes | Porina mammillosa | 1183 | NT NR Sc | Porina mammillosa | |||
| 6904 | Porina multipuncta | (Coppins & P. James) Ertz, Coppins & Frisch (2017) | Yes | Porina multipuncta | Opegrapha multipuncta | 1636 | LC | Porina multipuncta | ||
| 6905 | Porina nucula | auct. europ. p.p., non Ach. | No | Porina atlantica | 1177 | |||||
| 6906 | Porina nucula | auct. europ. p.p., non Ach. | No | Porina effilata | 2454 | CR D NR P Eng Wa | ||||
| 6907 | Porina olivacea | auct. | No | Porina borreri | 1170 | LC NS | ||||
| 6908 | Porina olivacea var. leptospora | (Nyl.) Keissl. | No | Porina leptospora | 1886 | NT NR | ||||
| 6909 | Porina rhodostoma | auct. europ., non Müll. Arg. | No | Porina atlantica | 1177 | |||||
| 6910 | Porina rivalis | Orange (2015) | Yes | Porina rivalis | 2661 | NE NR | Porina rivalis | |||
| 6911 | Porina rosei | Sérus. (1990) | Yes | Porina rosei | Zamenhofia rosei | 1671 | NT NS X IR | Porina rosei | ||
| 6912 | Porina septemseptata | (Hepp ex Zwackh) Swinscow | No | Porina ahlesiana | 1169 | NT NS | ||||
| 6913 | Porina succina | (Leight.) A.L. Sm. | No | Porina ahlesiana | 1169 | NT NS | ||||
| 6914 | Porina sudetica | (Körb.) Lettau (1912) | Yes | Porina sudetica | 1672 | VU D2 NR P Eng Sc | Porina sudetica | |||
| 6915 | Porina taylorii | (Carroll ex Nyl.) Swinscow (1962) | No | Dichoporis taylorii | 1378 | LC NS Sc IR | ||||
| 6916 | Porina tenuifera | (Nyl.) A.L. Sm. | No | Porina chlorotica f. tenuifera | 1887 | NE NR | ||||
| 6917 | Porocyphus areolatus | Flot. ex Körb. (1855) | No | Porocyphus coccodes | 1184 | LC NS | ||||
| 6918 | Porocyphus coccodes | Flot. ex Körb. (1855) | Yes | Porocyphus coccodes | Psorotichia diffundensPsorotichia pyrenopsoides | 1184 | LC NS | Porocyphus coccodes | ||
| 6919 | Porocyphus furfurellus | (Nyl.) Forssell (1885) | No | Porocyphus coccodes | 1184 | LC NS | ||||
| 6920 | Porocyphus kenmorensis | (H.B. Holl ex Nyl.) Henssen (1974) | Yes | Porocyphus kenmorensis | 1185 | NT NS Sc | Porocyphus kenmorensis | |||
| 6921 | Porocyphus leptogiella | (Nyl.) L.T. Ellis (1981) | Yes | Porocyphus leptogiella | 808 | NT NR Sc | Porocyphus leptogiella | |||
| 6922 | Porocyphus rehmicus | (A. Massal.) Zahlbr. (1924) | No | Porocyphus rehmicus | incorrectly reported from British Isles. Records referable to Pyrenopsis furfurea | DD NR | ||||
| 6923 | Poroscyphus rehmicus | auct. brit. | No | Pyrenopsis furfurea | 1212 | DD NR Sc | ||||
| 6924 | Porpidia athroocarpa | (Ach.) Hertel & Rambold | No | Immersaria athroocarpa | 699 | LC NS | ||||
| 6925 | Porpidia cinereoatra | (Ach.) Hertel & Knoph (1984) | Yes | Porpidia cinereoatra | Huilia albocaerulescens auct. p.p. Huilia cinereoatra Lecidea albocaerulescens auct. p.p. Porpidia musiva |
562 | LC | Porpidia cinereoatra | ||
| 6926 | Porpidia confluenta | Fryday ad int. (1996) | No | Porpidia pachythallina | 2400 | LC NR | ||||
| 6927 | Porpidia confluenta | No | 340 | BLS number no longer used | ||||||
| 6928 | Porpidia contraponenda | (Arnold) Knoph & Hertel (1984) | Yes | Porpidia contraponenda | Huilia albocaerulescens auct. p.p. Lecidea albocaerulescens auct. p.p. |
1790 | LC NS | Porpidia contraponenda | ||
| 6929 | Porpidia crustulata | (Ach.) Hertel & Knoph (1984) | Yes | Porpidia crustulata | Huilia crustulata Lecidea crustulata |
564 | LC | Porpidia crustulata | ||
| 6930 | Porpidia flavicunda | auct. brit. p.max.p. | No | Porpidia flavocruenta | 2398 | name or specific epithet valid but has been misused in the past | LC NS |