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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3601 | Lecanora odora | (Ach. ex Schaer.) Nyl. (1858) | No | Hymenelia odora | 589 | LC NS | ||||
| 3602 | Lecanora oleagina | Harm. | No | Protoparmelia oleagina | 1793 | LC NS | ||||
| 3603 | Lecanora orae-frigidae | R. Sant. (1984) | Yes | Lecanora orae-frigidae | 2817 | NE NR | Lecanora orae-frigidae | |||
| 3604 | Lecanora orosthea | (Ach.) Ach. (1810) | Yes | Lecanora orosthea | Lecidea orosthea | 757 | LC | Lecanora orosthea | ||
| 3605 | Lecanora orosthea var. sublivescens | Nyl. | No | Lecanora sublivescens | 779 | NT NS P Eng Wa IR | ||||
| 3606 | Lecanora pacifica | auct. brit. | No | Lecanora | Lecanora sp. (unidentified species) | |||||
| 3607 | Lecanora pallescens | auct. brit. p.p. | No | Ochrolechia parella | 926 | LC | ||||
| 3608 | Lecanora pallescens | auct. brit. p.p. | No | Ochrolechia szatalaensis | 1494 | LC NS Sc IR | ||||
| 3609 | Lecanora pallida | (Schreb.) Rabenh., non Chev. | No | Lecanora albella | 754 | LC NS Sc | ||||
| 3610 | Lecanora pannonica | Szatala (1954) | Yes | Lecanora pannonica | 1837 | LC | Lecanora pannonica | |||
| 3611 | Lecanora parella | (L.) Ach. | No | Ochrolechia parella | 926 | LC | ||||
| 3612 | Lecanora parella var. turneri | (Sm.) Arnold | No | Ochrolechia turneri | 929 | LC | ||||
| 3613 | Lecanora parisiensis | Nyl. | No | Lecanora horiza | 1764 | NT NS Sc | ||||
| 3614 | Lecanora pelobotrya | (Wahlenb.) Sommerf. (1826) [orth. error] | No | Amygdalaria pelobotryon | 44 | LC | ||||
| 3615 | Lecanora pelobotryon | (Wahlenb.) Sommerf. (1826) | No | Amygdalaria pelobotryon | 44 | LC | ||||
| 3616 | Lecanora persimilis | (Th. Fr.) Arnold (1872) | No | Myriolecis persimilis | 1836 | LC | ||||
| 3617 | Lecanora phaeoleucodes | Nyl. (1879) | No | Lecania turicensis | 1691 | LC | ||||
| 3618 | Lecanora phaeops | (Nyl.) Th. Fr. | No | Lecidea phaeops | 761 | LC | ||||
| 3619 | Lecanora phaeostigma | (Körb.) Almb. (1984) | Yes | Lecanora phaeostigma | Lecanora hypopta auct. brit.; Lecidea hypopta auct. brit. | 731 | Probably belongs to Fuscideaceae | LC NS | Lecanora phaeostigma | |
| 3620 | Lecanora picea | (Dicks.) Nyl., non auct. | No | Protoparmelia badia | 633 | LC | ||||
| 3621 | Lecanora picea | auct. | No | Protoparmelia memnonia | 664 | NT NR Sc | ||||
| 3622 | Lecanora piniperda | Körb. | No | Lecanora albellula var. albellula | 665 | |||||
| 3623 | Lecanora piniperda | auct. brit. p.p. | No | Lecanora coppinsii | 2520 | NE NR | ||||
| 3624 | Lecanora piniperda | auct. brit. p.p. | No | Lecanora sarcopidoides | 678 | DD NR | ||||
| 3625 | Lecanora pityrea | Erichsen | No | Lecanora conizaeoides f. conizaeoides | 643 | LC | ||||
| 3626 | Lecanora poliophaea | (Wahlenb.) Ach. (1810) | No | Myriolecis poliophaea | 666 | LC | ||||
| 3627 | Lecanora polytropa | (Ehrh. ex Hoffm.) Rabenh. (1845) | Yes | Lecanora polytropa | 667 | LC | Lecanora polytropa | |||
| 3628 | Lecanora polytropa f. alpigena | (Ach.) Schaer. | No | Lecanora polytropa | 667 | LC | ||||
| 3629 | Lecanora polytropa f. efflorescens | Cromb. | No | Lecanora soralifera | 679 | LC | ||||
| 3630 | Lecanora polytropa var. stenotropa | (Nyl.) A.L. Sm. | No | Lecanora stenotropa | 680 | LC |