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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5581 | Niesslia cladoniicola | D. Hawksw. & W. Gams (1975) | Yes | Niesslia cladoniicola | 2128 | NE NR | LF | Niesslia cladoniicola | ||
| 5582 | Niesslia lobariae | Etayo & Diederich (1996) | Yes | Niesslia lobariae | 2129 | NE NR | LF | Niesslia lobariae | ||
| 5583 | Nigromacula hypotrachynae | Etayo | No | Nigromacula uniseptata | 2262 | LC NS | LF | |||
| 5584 | Nigromacula uniseptata | (D. Hawksw.) D. Hawksw. (2003) | Yes | Nigromacula uniseptata | Vouauxiella uniseptata | 2262 | LC NS | LF | Nigromacula uniseptata | |
| 5585 | Normandina acroglypta | (Norman) Aptroot (1996) | Yes | Normandina acroglypta | Lauderlindsaya acroglypta | 1835 | LC | Normandina acroglypta | ||
| 5586 | Normandina chlorococca | (Leight.) Orange (2022) | Yes | Normandina chlorococca | Lauderlindsaya chlorococca; Normandina acroglypta auct. p.p.; Sphaerulina chlorococca | 2837 | LC | |||
| 5587 | Normandina erichsenii | (Keissl.) Aptroot (1991) | No | Normandina chlorococca | 2837 | LC | ||||
| 5588 | Normandina jungermanniae | (Nyl.) Nyl. (1855) | No | Normandina pulchella | 920 | LC | ||||
| 5589 | Normandina laetevirens | (Borrer) Nyl. | No | Lichenomphalia hudsoniana | 934 | |||||
| 5590 | Normandina pulchella | (Borrer) Nyl. (1861) | Yes | Normandina pulchella | Lauderlindsaya borreri Sphaerulina chlorococca auct. p.p. |
920 | LC L* | Normandina pulchella | ||
| 5591 | Normandina viridis | (Ach.) Nyl. | No | Lichenomphalia hudsoniana | 934 | |||||
| 5592 | Obryzum corniculatum | Wallr. (1825) | Yes | Obryzum corniculatum | 2130 | NE NR | LF | Obryzum corniculatum | ||
| 5593 | Obryzum dolichoteron | Nyl. | No | Sphaerulina dolichotera | 2216 | NE NR | LF | |||
| 5594 | Ocellomma picconianum | (Bagl.) Ertz & Tehler (2014) | Yes | Ocellomma picconianum | 2853 | NE NR | Ocellomma picconianum | |||
| 5595 | Ocellularia atlantica | Erichsen (1926) | No | Porina atlantica | 1177 | |||||
| 5596 | Ocellularia subtilis | auct. brit., non (Tuck.) Riddle | No | Thelotrema petractoides | 1412 | LC Sc IR | ||||
| 5597 | Ocellularia subtilis | (Tuck.) Riddle | No | Thelotrema subtile | Thelotrema subtile Tuck., incorrectly reported from the British Isles | |||||
| 5598 | Ochrolechia androgyna | (Hoffm.) Arnold (1885) | Yes | Ochrolechia androgyna | 921 | LC | ||||
| 5599 | Ochrolechia androgyna | auct. p.min.p. | No | Ochrolechia bahusiensis | 2598 | name or specific epithet valid but has been misused in the past | NE | |||
| 5600 | Ochrolechia androgyna | auct. p.min.p. | No | Ochrolechia mahluensis | 2600 | name or specific epithet valid but has been misused in the past | NE | Ochrolechia androgyna | ||
| 5601 | Ochrolechia arborea | (Kreyer) Almb. (1949) | Yes | Ochrolechia arborea | 949 | NT NR | Ochrolechia arborea | |||
| 5602 | Ochrolechia bahusiensis | H. Magn. (1927) | Yes | Ochrolechia bahusiensis | Ochrolechia androgyna auct. p.p. | 2598 | NE | |||
| 5603 | Ochrolechia frigida f. frigida | (Sw.) Lynge (1928) | Yes | Ochrolechia frigida f. frigida | 922 | LC | Ochrolechia frigida f. frigida | |||
| 5604 | Ochrolechia frigida f. lapuensis | (Vain.) Coppins (1981) | Yes | Ochrolechia frigida f. lapuensis | 748 | LC NR | Ochrolechia frigida f. lapuensis | |||
| 5605 | Ochrolechia frigida f. lapuënsis | (Vain.) Coppins (1981) | No | Ochrolechia frigida f. lapuensis | 748 | LC NR | ||||
| 5606 | Ochrolechia geminipara | (Th. Fr.) Vain. (1881) | No | Toensbergia geminipara | 923 | NT NR Sc | ||||
| 5607 | Ochrolechia inaequatula | (Nyl.) Zahlbr. (1913) | Yes | Ochrolechia inaequatula | 1634 | LC NS | Ochrolechia inaequatula | |||
| 5608 | Ochrolechia incarnata | (Leight.) Kukwa, I. Schmitt & Ertz (2018) | Yes | Ochrolechia incarnata | Pertusaria incarnata | 2734 | So far only from Ireland | NE | ||
| 5609 | Ochrolechia inversa | (Nyl.) J.R. Laundon (1963) | No | Lecanora alboflavida | Lecanora inversa | 628 | LC NS | |||
| 5610 | Ochrolechia laevigata | (Räsänen) Verseghy (1962) | Yes | Ochrolechia laevigata | 2599 | NE |