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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1051 | Bilimbia sabuletorum | (Schreb.) Arnold (1869) | Yes | Bilimbia sabuletorum | Myxobilimbia sabuletorum Bacidia sabuletorum | 165 | LC | Bilimbia sabuletorum | ||
| 1052 | Bilimbia sabuletorum var. obscuratum | (Sommerf.) A.L. Sm. | No | Mycobilimbia tetramera | 160 | VU D1+2 NR Sc | ||||
| 1053 | Bilimbia sabuletorum var. septenaria | (Nyl.) A.L. Sm. | No | Bilimbia sabuletorum | 165 | LC | ||||
| 1054 | Bilimbia sabuletorum var. simplicior | (Nyl.) A.L. Sm. (1911) | No | Gilbertaria contristans | 309 | LC NS | ||||
| 1055 | Bilimbia sabulosa | A. Massal. (1852) | No | Bilimbia lobulata | 1422 | LC | ||||
| 1056 | Bilimbia sphaeroides | auct. brit. p.p. | No | Bilimbia sabuletorum | 165 | LC | ||||
| 1057 | Bilimbia sphaeroides | auct. brit. p.p. | No | Micarea alabastrites | 871 | LC Sc IR | ||||
| 1058 | Bilimbia sphaeroides var. alabastrites | (Nyl.) A.L. Sm. | No | Micarea alabastrites | 871 | LC Sc IR | ||||
| 1059 | Bilimbia squalida | (Ach.) Jatta | No | Toninia squalida | 1427 | NT NR Sc | ||||
| 1060 | Bilimbia squamulosa | auct. p.p. | No | Bilimbia lobulata | 1422 | LC | ||||
| 1061 | Bilimbia squamulosa | (Mudd) A.L. Sm. (1911) | No | Toniniopsis aromatica | 1415 | LC | ||||
| 1062 | Bilimbia sublubens | Paulson (1925) | No | Lecanidion atratum | Lecanidion atratum (Hedw.) Rabenh.{F} | F | ||||
| 1063 | Bilimbia subturgidula | (Nyl.) Arnold (1870) | No | Bacidia subturgidula | 169 | CR D NR E P Eng IR | ||||
| 1064 | Bilimbia subviridescens | (Nyl.) A.L. Sm. | No | Micarea subviridescens | 2361 | LC NR | ||||
| 1065 | Bilimbia subviridescens var. trisepta | (Hellb.) A.L. Sm. | No | Micarea peliocarpa | 886 | LC | ||||
| 1066 | Bilimbia trachona | (Ach.) Trevis. (1856) | No | Aquacidia trachona | 170 | LC NS | ||||
| 1067 | Bilimbia turneri | (Leight.) A.L. Sm. (1926) | No | Toniniopsis aromatica | 1415 | LC | ||||
| 1068 | Bilimbia violacea | Arnold | No | Micarea peliocarpa | 886 | LC | ||||
| 1069 | Bispora christiansenii | D. Hawksw. | No | Intralichen christiansenii | 2019 | LC NS | LF | |||
| 1070 | Bispora lichenum | Diederich | No | Intralichen lichenum | 2020 | NE NR | LF | |||
| 1071 | Blarneya hibernica | D. Hawksw., Coppins & P. James | No | Tylophoron hibernicum | 185 | NT NR P Eng Wa IR | ||||
| 1072 | Blastenia coralliza | (Arup & Åkelius) Arup, Søchting & Frödén (2013) | No | Caloplaca coralliza | 2538 | DD NR | ||||
| 1073 | Blastenia crenularia | (With.) Arup, Søchting & Frödén (2013) | No | Caloplaca crenularia | 253 | LC | ||||
| 1074 | Blastenia ferruginea | (Huds.) A. Massal. (1852) | No | Caloplaca ferruginea s. str. | 252 | LC Sc IR | ||||
| 1075 | Blastenia herbidella | (Hue) Servít (1934) | No | Caloplaca herbidella s. str. | 2539 | VU C, D1 NR P Eng Wa | ||||
| 1076 | Blastenia lauri | Vondrák (2019) | Yes | Blastenia lauri | Caloplaca ferruginea auct. brit. p.p. | LC Sc IR | ||||
| 1077 | Blennothallia crispa | (Huds.) Otálora, P.M. Jørg. & Wedin (2013) | Yes | Blennothallia crispa | Collema crispum; Collema crispum var. metzleri | 440 | LC | Blennothallia crispa | ||
| 1078 | Bombyliospora incana | sensu A.L. Sm. | No | Megalospora tuberculosa | 862 | NT NS P Eng Sc Wa IR | ||||
| 1079 | Bombyliospora pachycarpa | (Delise) De Not. | No | Megalospora tuberculosa | 862 | NT NS P Eng Sc Wa IR | ||||
| 1080 | Borrera astroidea | sensu Mudd | No | Physcia clementei | 1115 | NT NS Sc |