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 | Polyozosia zosterae | (Ach.) S.Y. Kondr., Lőkös & Farkas (2020) | No | Myriolecis zosterae | 2287 | LC NS | ||||
| 6902 | Polysporina cyclocarpa | (Anzi) Vězda (1978) | No | Sarcogyna cyclocarpa | 1670 | NT NR | ||||
| 6903 | Polysporina cyclospora | auct. brit. (sphalm.) | No | Sarcogyne cyclocarpa | 1670 | NT NR | ||||
| 6904 | Polysporina dubia | (H. Magn.) Vezda | No | Acarospora subfuscescens | 1559 | Possibly an independent species of Sarcogyne, not yet reported from British Isles | LC NS | |||
| 6905 | Polysporina ferruginea | (Lettau) M. Steiner ex Kantvilas (1998) | No | Acarospora subfuscescens | 1559 | LC NS | ||||
| 6906 | Polysporina lapponica | auct. brit., non (Ach. ex Schaer.) Degel. | No | Acarospora subfuscescens | 1559 | LC NS | ||||
| 6907 | Polysporina simplex | (Davies) Vězda (1978) | No | Acarospora privigna | 1167 | LC | ||||
| 6908 | Polysporina subfuscescens | (Nyl.) Knudsen & Kocourk. (2008) | No | Acarospora subfuscescens | 1559 | LC NS | ||||
| 6909 | Polysporinopsis sinopica | (Wahlenb.) Vezda | No | Acarospora sinopica | 24 | LC M* | ||||
| 6910 | Porina aenea | (Wallr.) Zahlbr. (1922) | Yes | Porina aenea | Porina chlorotica var. carpinea | 1168 | LC | Porina aenea | ||
| 6911 | Porina affinis | auct. brit. p.p. | No | Porina aenea | 1168 | LC | ||||
| 6912 | Porina affinis | (A. Massal.) Zahlbr. | No | Strigula affinis | Strigula affinis (A. Massal.) R.C. Harris, incorrectly reported from the British Isles | |||||
| 6913 | Porina affinis | auct. brit. p.p. | No | Swinscowia jamesii | 1375 | LC NS | ||||
| 6914 | Porina ahlesiana | (Körb.) Zahlbr. (1931) | Yes | Porina ahlesiana | Porina septemseptata | 1169 | NT NS | Porina ahlesiana | ||
| 6915 | Porina atlantica | (Erichsen) P.M. Jørg. (2000) | Yes | Porina atlantica | Porina guaranitica auct. brit. p.p.Porina heterospora auct. brit.Porina nucula auct. brit.Porina rhodostoma auct. brit. | 1177 | Porina atlantica | |||
| 6916 | Porina atlantica auct. brit. p.p. | auct. brit. p.p., non (Erichsen) P.M. Jørg. | No | Porina effilata | 2454 | name or specific epithet valid but has been misused in the past | CR D NR P Eng Wa | |||
| 6917 | Porina borreri | (Trevis.) D. Hawksw. & P. James (1980) | Yes | Porina borreri | Porina olivacea | 1170 | LC NS | Porina borreri | ||
| 6918 | Porina borreri var. leptospora | (Nyl.) D. Hawksw. (1992) | No | Porina leptospora | 1886 | NT NR | ||||
| 6919 | Porina byssophila | (Körb. ex Hepp) Zahlbr. (1903) | Yes | Porina byssophila | 1614 | DD NR Sc | Porina byssophila | |||
| 6920 | Porina carpinea | (Pers. ex Ach.) Zahlbr. | No | Porina aenea | 1168 | LC | ||||
| 6921 | Porina chlorotica f. chlorotica | (Ach.) Müll. Arg. (1884) | Yes | Porina chlorotica f. chlorotica | 1171 | LC | Porina chlorotica f. chlorotica | |||
| 6922 | Porina chlorotica f. tenuifera | (Nyl.) Swinscow (1962) | Yes | Porina chlorotica f. tenuifera | 1887 | NE NR | Porina chlorotica f. tenuifera | |||
| 6923 | Porina chlorotica var. carpinea | (Pers. ex Ach.) Keissl. | No | Porina aenea | 1168 | LC | ||||
| 6924 | Porina chlorotica var. linearis | (Leight.) A.L. Sm. | No | Porina linearis | 1182 | LC | ||||
| 6925 | Porina chlorotica var. persicina | (Körb.) A.L. Sm. (1911) | No | Porina linearis | 1182 | LC | ||||
| 6926 | Porina collina | Orange, Palice & Klepsland (2020) | Yes | Porina collina | 2766 | NE NR | Porina collina | |||
| 6927 | Porina coralloidea | P. James (1971) | Yes | Porina coralloidea | Zamenhofia coralloidea | 1172 | LC NS Sc L IR | Porina coralloidea | ||
| 6928 | Porina curnowii | A.L. Sm. (1911) | Yes | Porina curnowii | Porina guentheri var. curnowii | 1173 | NT NR | Porina curnowii | ||
| 6929 | Porina effilata | M. Brand & Sérus. (2007) | Yes | Porina effilata | Porina guaranitica auct. brit. p.p. | 2454 | CR D NR P Eng Wa | Porina effilata | ||
| 6930 | Porina epigaeoides | (Nyl.) A.L. Sm. (1911) | No | Porina mammillosa | 1183 | NT NR Sc |