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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 691 | Bacidia inornata | (Nyl.) Blomb. & Forssell (1880) | No | Toniniopsis inornata | 2636 | NE NR | ||||
| 692 | Bacidia intermedia | auct. brit. | No | Bacidia sp. | various Bacidia spp., esp. Bacidia phacodes | |||||
| 693 | Bacidia inundata | (Fr.) Körb. (1855) | No | Bacidina inundata | 154 | LC | ||||
| 694 | Bacidia inundata subsp. allecta | (Nyl.) A.L. Sm. (1911) | No | Bacidina inundata | 154 | LC | ||||
| 695 | Bacidia killiasii | (Hepp) D. Hawksw. | No | identity uncertain {LF} | ||||||
| 696 | Bacidia killiasii | (Hepp) D. Hawksw. (1983) | Yes | Bacidia killiasii | 2017 | NE NR | LF | Bacidia killiasii | ||
| 697 | Bacidia latebricola | Wheldon & Travis (1915) | No | ? Bacidia arnoldiana (type poorly developed) | ||||||
| 698 | Bacidia laurocerasi | (Delise ex Duby) Zahlbr. (1926) | Yes | Bacidia laurocerasi | Bacidia atrogrisea Bacidia endoleuca | 155 | LC | Bacidia laurocerasi | ||
| 699 | Bacidia leightoniana | (Larbal. ex Leight.) H. Olivier | No | Bacidia arceutina | 131 | LC | ||||
| 700 | Bacidia leprosula | (Th. Fr.) Lettau | No | Micarea leprosula | 879 | LC | ||||
| 701 | Bacidia leucoblepharia | auct. brit. | No | Byssoloma subdiscordans | 221 | NT NR | ||||
| 702 | Bacidia leucoblepharia var. rupicola | Wheldon & A. Wilson | No | Byssoloma subdiscordans | 221 | NT NR | ||||
| 703 | Bacidia lignaria | (Ach.) Lettau | No | Micarea lignaria var. lignaria | 880 | LC | ||||
| 704 | Bacidia luteola | (Ach.) Mudd | No | Bacidia rubella | 164 | LC | ||||
| 705 | Bacidia luteola var. caesiopruinosa | Mudd (1861) | No | Bacidia beckhausii | 135 | LC NS | ||||
| 706 | Bacidia luteola var. porriginosa | (Turner) A.L. Sm. | No | Bacidia rubella | 164 | LC | ||||
| 707 | Bacidia melaena | (Nyl.) Zahlbr. (1931) | No | Micarea melaena | 883 | LC | ||||
| 708 | Bacidia microcarpa | (Th. Fr.) Lettau | No | Bilimbia microcarpa | 157 | Bilimbia microcarpa (Th. Fr.) Th. Fr., incorrectly recorded from the British Isles | ||||
| 709 | Bacidia muscorum | (Ach.) Mudd (1861) | No | Toniniopsis bagliettoana | 158 | LC | ||||
| 710 | Bacidia myrtillicola | Erichsen (1939) | No | Fellhaneropsis myrtillicola | 1829 | LC NR | ||||
| 711 | Bacidia naegelii | (Hepp) Zahlbr. (1909) | No | Lecania naegelii | 159 | LC | ||||
| 712 | Bacidia neosquamulosa | Aptroot & Herk (1999) | No | Bacidina neosquamulosa | 130 | LC NS | ||||
| 713 | Bacidia nitschkeana | (J. Lahm ex Rabenh.) Zahlbr. | No | Micarea nitschkeana | 885 | LC | ||||
| 714 | Bacidia obscurata | (Sommerf.) Zahlbr. | No | Mycobilimbia tetramera | 160 | VU D1+2 NR Sc | ||||
| 715 | Bacidia phacodes | Körb. (1860) | No | Bacidina phacodes | 161 | LC | ||||
| 716 | Bacidia plumbina | (Anzi) R Sant. | No | Toninia plumbina | 1907 | NT NR Sc | LF | |||
| 717 | Bacidia polychroa | (Th. Fr.) Körb. (1860) | Yes | Bacidia polychroa | 163 | Ex | Bacidia polychroa | |||
| 718 | Bacidia polysita | (Stirt.) A.L. Sm. | No | Bacidia polychroa | 163 | Ex | ||||
| 719 | Bacidia prasinoides | (Nyl.) Nyl. (1870) | No | Lecania cuprea | 143 | LC NS | ||||
| 720 | Bacidia pruinosa | P. James (1971) | No | Scoliciosporum pruinosum | 1321 | LC |