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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 481 | Arthopyrenia macularis | sensu Mudd (1861) | No | Porina chlorotica f. chlorotica | 1171 | Some other species may be involved | LC | |||
| 482 | Arthopyrenia macularis var. codonoidea | (Leight.) Mudd (1861) | No | Porina chlorotica f. chlorotica | 1171 | LC | ||||
| 483 | Arthopyrenia macularis var. fusiformis | (Leight.) Mudd (1861) | No | Porina aenea | 1168 | LC | ||||
| 484 | Arthopyrenia macularis var. trachona | (Ach.) Mudd (1861) | No | Aquacidia trachona | 170 | LC NS | ||||
| 485 | Arthopyrenia marina | (Deakin) A.L. Sm. | No | Stigmidium marinum | 2229 | LC NR | LF | |||
| 486 | Arthopyrenia microspila | Körb. | No | Stigmidium microspilum | 1963 | LC | LF | |||
| 487 | Arthopyrenia monensis | (Wheldon) Zahlbr. | No | Collemopsidium monense | 86 | LC NS | ||||
| 488 | Arthopyrenia myricae | (Nyl.) Zahlbr. | No | Mycoglaena myricae | 1278 | LC NS | F | |||
| 489 | Arthopyrenia nitescens | (Salwey) Mudd (1861) | No | Naetrocymbe nitescens | 1605 | LC NS Sc IR | ||||
| 490 | Arthopyrenia olivacea | auct. brit. | No | Porina borreri | 1170 | LC NS | ||||
| 491 | Arthopyrenia orustensis | Erichsen | No | Collemopsidium halodytes | 87 | LC NS | ||||
| 492 | Arthopyrenia oxyspora | (Nyl.) Mudd (1861) | No | Leptorhaphis epidermidis | 1553 | LC | F | |||
| 493 | Arthopyrenia padi | Rabenh. (1858) | No | Naetrocymbe punctiformis | 1542 | LC | F | |||
| 494 | Arthopyrenia pelvetiae | (G.K. Sutherl.) D. Hawksw. | No | Collemopsidium pelvetiae | 88 | DD NR | ||||
| 495 | Arthopyrenia platypyrenia | (Nyl.) Arnold (1870) | Yes | Arthopyrenia platypyrenia | 2336 | DD NR | F | Arthopyrenia platypyrenia | ||
| 496 | Arthopyrenia punctiformis | A. Massal. (1852) | No | Naetrocymbe punctiformis | 1542 | until mid-1980s often used in a broad sense to include other Arthopyrenia spp. with small perithecia (esp. A. salicis) | LC | F | ||
| 497 | Arthopyrenia punctiformis | “sp. B” sensu Coppins | No | Naetrocymbe carneobrunneola | 1622 | LC NS Sc IR | ||||
| 498 | Arthopyrenia punctiformis | “sp. A” sensu Coppins | No | Naetrocymbe nitescens | 1605 | LC NS Sc IR | ||||
| 499 | Arthopyrenia punctiformis | “sp. C” sensu Coppins | No | Arthopyrenia salicis | 1606 | LC | ||||
| 500 | Arthopyrenia pyrenastrella | (Nyl.) Norman (1872) | No | Naetrocymbe punctiformis | 1542 | LC | F | |||
| 501 | Arthopyrenia ranunculospora | Coppins & P. James | No | Anisomeridium ranunculosporum | 1584 | LC | ||||
| 502 | Arthopyrenia rhyponta | auct. brit. p.p. | No | Naetrocymbe punctiformis | 1542 | LC | F | |||
| 503 | Arthopyrenia rhyponta | auct. brit. p.p. | No | Stigmidium microspilum | 1963 | LC | LF | |||
| 504 | Arthopyrenia rhyponta | (Ach.) A. Massal. (1852) | Yes | Arthopyrenia rhyponta | 89 | Doubtfully British | F | Arthopyrenia rhyponta | ||
| 505 | Arthopyrenia salicis | A. Massal. (1852) | Yes | Arthopyrenia salicis | 1606 | LC | Arthopyrenia salicis | |||
| 506 | Arthopyrenia salweii | (Leight. ex Nyl.) Zahlbr. [orth. error] | No | Acrocordia salweyi | 36 | orth. error | LC | |||
| 507 | Arthopyrenia salweyi | (Leight. ex Nyl.) Zahlbr. | No | Acrocordia salweyi | 36 | LC | ||||
| 508 | Arthopyrenia saxatilis | auct. brit. (sphalm.) | No | Naetrocymbe saxicola | 90 | LC NS | ||||
| 509 | Arthopyrenia saxicola | A. Massal. (1855) | No | Naetrocymbe saxicola | 90 | LC NS | ||||
| 510 | Arthopyrenia socialis | Körb. 1865) | No | Zwackhiomyces socialis | 2276 | NE NR | LF |