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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5101 | Lichen tumidulus | Sm. | No | Porpidinia tumidula | 1429 | Ex | ||||
| 5102 | Lichen turneri | Sm. | No | Ochrolechia turneri | 929 | LC | ||||
| 5103 | Lichen uncialis | auct. brit. p.m.p. | No | Cladonia uncialis subsp. biuncialis | 426 | LC | ||||
| 5104 | Lichen uncialis | L. | No | Cladonia uncialis subsp. uncialis | 1594 | NT NS Sc | ||||
| 5105 | Lichen velleus | sensu Huds., non L. | No | Umbilicaria vellea | Umbilicaria vellea (L.) Hoffm., incorrectly reported from the British Isles | |||||
| 5106 | Lichen venosus | L. | No | Peltigera venosa | 1054 | VU C1 NS P Eng Sc Wa | ||||
| 5107 | Lichen ventosus | L. | No | Ophioparma ventosa | 556 | LC | ||||
| 5108 | Lichen vernalis | L. (1768) | No | Biatora vernalis | 791 | LC NS | ||||
| 5109 | Lichen vernalis | sensu With. | No | Bacidia rubella | 164 | LC | ||||
| 5110 | Lichen verrucosus | Huds. (1778) | No | Lobarina scrobiculata | 858 | LC Sc L IR | ||||
| 5111 | Lichen verrucosus | Huds. (1762) | No | Pertusaria pertusa | 1087 | LC | ||||
| 5112 | Lichen verrucosus | With. | No | Umbilicaria torrefacta | 1455 | LC | ||||
| 5113 | Lichen verruculosus | Sm. | No | Buellia aethalea | 200 | LC | ||||
| 5114 | Lichen virellus | Ach. | No | Phaeophyscia orbicularis | 1107 | LC | ||||
| 5115 | Lichen virens | With. (1776) | No | Ricasolia virens | 856 | LC Sc L IR | ||||
| 5116 | Lichen vitellinus | Hoffm. | No | Candelariella vitellina f. vitellina | 298 | LC | ||||
| 5117 | Lichen vulpinus | auct. brit., non L. | No | Teloschistes flavicans | 1381 | VU A NS P Eng Wa S8 | ||||
| 5118 | Lichenochora aipoliae | Etayo, Nav.-Ros. & Coppins (2008) | Yes | Lichenochora aipoliae | 2533 | NE NR | LF | Lichenochora aipoliae | ||
| 5119 | Lichenochora aprica | Hafellner & Nik. Hoffm. (2000) | Yes | Lichenochora aprica | 2379 | NE NR | LF | Lichenochora aprica | ||
| 5120 | Lichenochora coarctatae | (B. de Lesd.) Hafellner & F. Berger (2000) | Yes | Lichenochora coarctatae | 2328 | NE NR | LF | Lichenochora coarctatae | ||
| 5121 | Lichenochora coppinsii | Etayo & Nav.-Ros. (2008) | Yes | Lichenochora coppinsii | 2534 | NE NR | LF | Lichenochora coppinsii | ||
| 5122 | Lichenochora epifulgens | Nav.-Ros. & Cl. Roux (1998) | Yes | Lichenochora epifulgens | 2557 | Lichenicolous on Fulgensia fulgens | EN D NR | LF | Lichenochora epifulgens | |
| 5123 | Lichenochora galligena | R. Sant. & Hafellner (1989) | Yes | Lichenochora galligena | 2795 | Lichenicolous on Physcia spp. | NE NR | Lichenochora galligena | ||
| 5124 | Lichenochora hyperphysciae | Etayo (2011) | Yes | Lichenochora hyperphysciae | 2715 | Lichenicolous on Hyperphyscia adglutinata | NE NR | LF | Lichenochora hyperphysciae | |
| 5125 | Lichenochora inconspicua | Hafellner (1989) | Yes | Lichenochora inconspicua | 2086 | NE NR | LF | Lichenochora inconspicua | ||
| 5126 | Lichenochora lecidellae | Boqueras & Nav.-Ros. (1998) | Yes | Lichenochora lecidellae | 2284 | NE NR | LF | Lichenochora lecidellae | ||
| 5127 | Lichenochora mediterraneae | Calat., Nav.-Ros. & E. Calvo (2000) | Yes | Lichenochora mediterraneae | 2319 | NE NR | LF | Lichenochora mediterraneae | ||
| 5128 | Lichenochora obscuroides | (Linds.) Triebel & Rambold (1992) | Yes | Lichenochora obscuroides | Lichenochora thallina | 2087 | parasitic on Phaeophyscia orbicularis, occasionally on Physcia spp. | LC NR | LF | Lichenochora obscuroides |
| 5129 | Lichenochora paucispora | Etayo & Nav.-Ros. (2008) | Yes | Lichenochora paucispora | 2535 | LC NR | LF | Lichenochora paucispora | ||
| 5130 | Lichenochora physciicola | (Ihlen & R. Sant.) Hafellner (2010) | Yes | Lichenochora physciicola | 2737 | lichenicolous on Physcia tenella | NE NR | LF | Lichenochora physciicola |