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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5491 | Mycoporum sparsellum | Nyl. (1867) | Yes | Mycoporum sparsellum | 2509 | DD NR | F | Mycoporum sparsellum | ||
| 5492 | Mycopyrenula coryli | (A. Massal.) Vain. | No | Pyrenula coryli | 1675 | VU D2 NR Sc | F | |||
| 5493 | Mycosphaerella ascophylli | No | 914 | BLS number no longer used | ||||||
| 5494 | Mycosphaerella cookei | (Linds.) Sacc. & D. Sacc. | No | Muellerella lichenicola | 2116 | LC | LF | |||
| 5495 | Myochroidea porphyrospoda | (Anzi) Printzen, T. Sprib. & Tønsberg (2008) | Yes | Myochroidea porphyrospoda | Lecidea porphyrospoda | 1988 | NT NR Sc | Myochroidea porphyrospoda | ||
| 5496 | Myriolecis actophila | (Wedd.) M. Bertrand & Cl. Roux (2016) | Yes | Myriolecis actophila | Lecanora actophila | 624 | LC | Myriolecis actophila | ||
| 5497 | Myriolecis agardhiana | (Ach.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis agardhiana | Lecanora agardhiana | 625 | DD NS | Myriolecis agardhiana | ||
| 5498 | Myriolecis albescens | (Hoffm.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis albescens | Lecanora albescens; Lecanora dispersa f. albescens | 627 | LC | Myriolecis albescens | ||
| 5499 | Myriolecis andrewii | (B. de Lesd.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis andrewii | Lecanora andrewii | 629 | LC NS | Myriolecis andrewii | ||
| 5500 | Myriolecis antiqua | (J.R. Laundon) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis antiqua | Lecanora antiqua; Lecanora conferta auct. | 640 | LC | Myriolecis antiqua | ||
| 5501 | Myriolecis congesta | (Clauzade & Vězda) M. Bertrand & Cl. Roux (2016) | Yes | Myriolecis congesta | Lecanora congesta | 642 | In British Isles only from Ireland | NE | Myriolecis congesta | |
| 5502 | Myriolecis crenulata | (Hook.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis crenulata | Lecanora crenulata | 644 | LC | Myriolecis crenulata | ||
| 5503 | Myriolecis dispersa | (Pers.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis dispersa | Lecanora dispersa | 646 | LC | Myriolecis dispersa | ||
| 5504 | Myriolecis fugiens | (Nyl.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis fugiens | Lecanora fugiens | 652 | LC | Myriolecis fugiens | ||
| 5505 | Myriolecis hagenii | (Ach.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis hagenii | Lecanora hagenii; Lecanora umbrina | 621 | NE | Myriolecis hagenii | ||
| 5506 | Myriolecis invadens | (H. Magn.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis invadens | Lecanora invadens | 2585 | NE NR | Myriolecis invadens | ||
| 5507 | Myriolecis massei | M. Bertand & J.Y. Monnat (2018) | Yes | Myriolecis massei | 2729 | NE NR | Myriolecis massei | |||
| 5508 | Myriolecis persimilis | (Th. Fr.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis persimilis | Lecanora persimilis | 1836 | LC | Myriolecis persimilis | ||
| 5509 | Myriolecis poliophaea | (Wahlenb.) P.F. Cannon (2022) | Yes | Myriolecis poliophaea | Lecanora poliophaea | 666 | LC | Myriolecis poliophaea | ||
| 5510 | Myriolecis populicola | (DC.) P.F. Cannon (2022) | Yes | Myriolecis populicola | Lecanora populicola | 668 | LC NS Sc | Myriolecis populicola | ||
| 5511 | Myriolecis pruinosa | (Chaub.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis pruinosa | Lecanora pruinosa | 670 | LC NS | Myriolecis pruinosa | ||
| 5512 | Myriolecis salina | (H. Magn.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis salina | Lecanora salina | 676 | DD NR | Myriolecis salina | ||
| 5513 | Myriolecis sambuci | (Pers.) Clem. (1909) | Yes | Myriolecis sambuci | Lecanora sambuci | 677 | LC | Myriolecis sambuci | ||
| 5514 | Myriolecis semipallida | (H. Magn.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis semipallida | Lecanora dispersa auct. p.p. ; Lecanora flotoviana; Lecanora flotowiana; Lecanora semipallida; Lecanora xanthostoma | 610 | LC NS | Myriolecis semipallida | ||
| 5515 | Myriolecis straminea | (Ach.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis straminea | Lecanora straminea | 681 | NT NR Sc | Myriolecis straminea | ||
| 5516 | Myriolecis zosterae | (Ach.) Śliwa, Zhao Xin & Lumbsch (2015) | Yes | Myriolecis zosterae | Lecanora hagenii f. zosterae; Lecanora zosterae | 2287 | LC NS | Myriolecis zosterae | ||
| 5517 | Myrionora globulosa | (Flörke) S.Y. Kondr. (2019) | No | Biatora globulosa | 310 | NT NS Sc | ||||
| 5518 | Myrionora ligni-mollis | (T. Sprib. & Printzen) S.Y. Kondr. (2019) | No | Biatora ligni-mollis | 2536 | VU D1+2 NR | ||||
| 5519 | Myriospora benedarensis | (M. Knowles) Cl. Roux (2019) | No | Trimmatothelopsis benedarensis | 7 | DD NR Sc | ||||
| 5520 | Myriospora dilatata | (M. Westb. & Wedin) K. Knudsen & Arcadia (2012) | Yes | Myriospora dilatata | 2611 | Doubtfully recorded for the British Isles | NE |