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 Sort ascending | Authority | Is Current Name? | Current Taxon Name | Synonyms | BLS Number | Comments | Conservation Evaluation | Group | Account & Map |
|---|---|---|---|---|---|---|---|---|---|---|
| 8431 | Arthothelium norvegicum | Coppins & Tønsberg (1984) | Yes | Arthothelium norvegicum | Arthonia norvegica | 1743 | NT NR Sc | Arthothelium norvegicum | ||
| 8432 | Arthothelium macounii | (G. Merr.) W.J. Noble (1987) | Yes | Arthothelium macounii | Arthothelium ilicinum var. reagens Arthothelium reagans |
96 | VU D2 NR P Sc IR | Arthothelium macounii | ||
| 8433 | Arthothelium lirellans | (Almq.) Coppins (1979) | Yes | Arthothelium lirellans | Arthonia lirellans Dermatina swinscowii |
1569 | LC NS Sc IR | F | Arthothelium lirellans | |
| 8434 | Arthothelium ilicinum var. reagens | Coppins & P. James | No | Arthothelium macounii | 96 | VU D2 NR P Sc IR | ||||
| 8435 | Arthothelium ilicinum var. dictyosporum | Coppins & P. James | No | Arthothelium dictyosporum | 95 | NT NR E P Sc Wa IR | ||||
| 8436 | Arthothelium ilicinum | (Taylor) P. James | No | Arthonia ilicina | 94 | LC Sc IR | ||||
| 8437 | Arthothelium dispersum | auct. brit. p.p. | No | Arthothelium lirellans | 1569 | LC NS Sc IR | F | |||
| 8438 | Arthothelium dispersum | auct. brit. p.p. | No | Arthothelium orbilliferum | 1711 | LC NS Sc IR | F | |||
| 8439 | Arthothelium dispersum | (DC.) Mudd | No | Arthothelium ruanum | 97 | LC NS | ||||
| 8440 | Arthothelium dictyosporum | (Coppins & P. James) Coppins (1989) | Yes | Arthonia dictyospora; Arthothelium dictyosporum | Arthothelium ilicinum var. dictyosporum | 95 | NT NR E P Sc IR | Arthothelium dictyosporum | ||
| 8441 | Arthopyrenia ‘salweii’ | (Leight. ex Nyl.) Zahlbr. | No | Acrocordia salweyi | 36 | LC | ||||
| 8442 | Arthopyrenia willeyana | R.C. Harris | No | Anisomeridium polypori | 49 | LC | ||||
| 8443 | Arthopyrenia viridula | A.L. Sm. (1911) | No | Verrucaria elaeina | 1871 | LC | ||||
| 8444 | Arthopyrenia viridescens | Coppins | No | Anisomeridium viridescens | 1607 | LC NS Sc IR | ||||
| 8445 | Arthopyrenia umbrosa | (Taylor) Mudd (1861) | No | Gyrographa gyrocarpa | 947 | LC | ||||
| 8446 | Arthopyrenia taylorii | (Carroll ex Nyl.) Mudd (1861) | No | Dichoporis taylorii | 1378 | LC NS Sc IR | ||||
| 8447 | Arthopyrenia submicans | (Nyl.) Arnold (1873) | No | Naetrocymbe nitescens | 1605 | LC NS Sc IR | ||||
| 8448 | Arthopyrenia sublitoralis | (Leight.) Arnold | No | Collemopsidium sublitorale | 93 | LC NS | ||||
| 8449 | Arthopyrenia subcerasi | (Vain.) Zahlbr. (1921) | Yes | Arthopyrenia subcerasi | 1592 | NT NR Sc | F | Arthopyrenia subcerasi | ||
| 8450 | Arthopyrenia subareniseda | G. Salisb. | No | Collemopsidium subarenisedum | 92 | DD NR IR | ||||
| 8451 | Arthopyrenia strontianensis | Swinscow | No | Collemopsidium angermannicum | 1890 | NT NS | ||||
| 8452 | Arthopyrenia stigmatella | sensu A.L. Sm. | No | Mycoporum antecellens | 75 | LC | F | |||
| 8453 | Arthopyrenia spilobola | (Nyl.) Arnold (1891) | No | British records dubious | ||||||
| 8454 | Arthopyrenia sphaeroides | auct. brit. non (Wallr.) Zahlbr. | No | Acrocordia gemmata | 34 | LC L* | ||||
| 8455 | Arthopyrenia socialis | Körb. | No | 91 | British records doubtful, BLS number no longer used | |||||
| 8456 | Arthopyrenia saxicola | A. Massal. (1855) | No | Naetrocymbe saxicola | 90 | LC NS | Arthopyrenia saxicola | |||
| 8457 | Arthopyrenia saxatilis | auct. brit. (sphalm.) | No | Naetrocymbe saxicola | 90 | LC NS | ||||
| 8458 | Arthopyrenia salweyi | (Leight. ex Nyl.) Zahlbr. | No | Acrocordia salweyi | 36 | LC | ||||
| 8459 | Arthopyrenia salweii | (Leight. ex Nyl.) Zahlbr. [orth. error] | No | Acrocordia salweyi | 36 | orth. error | LC | |||
| 8460 | Arthopyrenia salicis | A. Massal. (1852) | Yes | Arthopyrenia salicis | 1606 | LC | Arthopyrenia salicis |