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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3151 | Karschia thalloides | auct. brit. | No | of uncertain application | ||||||
| 3152 | Karschia thallophila | (Ohlert) Rehm | No | Amandinea punctata | 212 | LC | ||||
| 3153 | Karstenia chrysophaea | (Pers.) Coppins, Aptroot & P.F. Cannon (2024) | Yes | Karstenia chrysophaea | Ramonia chrysophaea | 1243 | NT NS P Eng Sc Wa IR | Karstenia chrysophaea | ||
| 3154 | Karstenia dictyospora | (Coppins) Coppins, Aptroot & P.F. Cannon (2024) | Yes | Karstenia dictyospora | Ramonia dictyospora | 1574 | NT NS E P Eng Sc Wa IR | Karstenia dictyospora | ||
| 3155 | Karstenia nigra | (Coppins) Coppins, Aptroot & P.F. Cannon (2024) | Yes | Karstenia nigra | Ramonia nigra | 1725 | CR D NR E Eng IR | Karstenia nigra | ||
| 3156 | Karstenia rhopaloides | (Sacc.) Baral (2015) | Yes | Karstenia rhopaloides | Cryptodiscus rhopaloides; Ramonia interjecta; Ramonia aff. luteola | 456 | LC NS | Karstenia rhopaloides | ||
| 3157 | Karsteniomyces peltigerae | (P. Karst.) D. Hawksw. (1980) | No | Scutula miliaris | 2201 | anamorph of Scutula miliaris | NE NR | LF | ||
| 3158 | Kiliasia episema | (Nyl.) Hafellner (1984) | Yes | Kiliasia episema | Catillaria episema; Toninia episema | 1904 | LC | LF | Kiliasia episema | |
| 3159 | Kiliasia scotinodes | (Nyl.) Coppins (1988) | No | Catillaria scotinodes | 770 | LC NS | ||||
| 3160 | Klauderuiella aurantia | (Pers.) S.Y. Kondr. & J.-S. Hur (2017) | No | Variospora aurantia | 239 | LC | ||||
| 3161 | Klauderuiella flavescens | (Huds.) S.Y. Kondr. & J.-S. Hur (2017) | No | Variospora flavescens | 259 | LC | ||||
| 3162 | Klauderuiella thallincola | (Wedd.) S.Y. Kondr. & J.-S. Hur (2017) | No | Variospora thallincola | 282 | LC | ||||
| 3163 | Klauskalbia obscurata | (Nyl.) S. Y. Kondr., L. Lőkös, E. Farkas & J.-S. Hur (2021) | No | Heterodermia obscurata | 560 | NT NS Sc | ||||
| 3164 | Knufia peltigerae | (Fuckel) Réblová & Unter. (2013) | Yes | Knufia peltigerae | Capronia peltigerae; Herpotrichiella peltigerae | 2723 | lichenicolous on Peltigera | NE NR | LF | |
| 3165 | Koerberiella wimmeriana | (Körb.) Stein (1879) | Yes | Koerberiella wimmeriana | Aspicilia leucophyma Lecanora leucophyma |
117 | LC NS | Koerberiella wimmeriana | ||
| 3166 | Kuettlingeria albolutescens | (Nyl.) I.V. Frolov, Vondrák & Arup (2020) | Yes | Kuettlingeria albolutescens | Caloplaca albolutescens; Caloplaca teicholyta auct. brit. p.p.; Pyrenodesmia albolutescens | 2503 | LC NS | |||
| 3167 | Kuettlingeria atroflava | (Turner) I.V. Frolov, Vondrák & Arup (2020) | Yes | Kuettlingeria atroflava | Caloplaca atroflava; Pyrenodesmia atroflava | 237 | CR D NR P Wa | |||
| 3168 | Kuettlingeria ceracea | (J.R. Laundon) P.F. Cannon & Coppins (2024) | Yes | Kuettlingeria ceracea | Caloplaca caesiorufa auct.; Caloplaca ceracea | 1644 | LC | |||
| 3169 | Kuettlingeria neotaurica | (Vondrák, Khodos., Arup & Søchting) I.V. Frolov, Vondrák & Arup (2020) | Yes | Kuettlingeria neotaurica | Caloplaca neotaurica; Pyrenodesmia neotaurica | 2595 | NE | |||
| 3170 | Kuettlingeria soralifera | (Vondrák & Hrouzek) I.V. Frolov, Vondrák & Arup (2020) | Yes | Kuettlingeria soralifera | Caloplaca soralifera | 2460 | British material may belong to an undescribed species | DD NR | ||
| 3171 | Kuettlingeria teicholyta | (Ach.) Trevis. (1857) | Yes | Kuettlingeria teicholyta | Caloplaca erythrocarpa; Caloplaca teicholyta | 281 | LC | |||
| 3172 | Kurokawia runcinata | (With.) S. Y. Kondr., L. Lőkös et J.-S. Hur (2021) | No | Anaptychia runcinata | 47 | LC | ||||
| 3173 | Laestadia olivieri | Vouaux (1912) | No | Telogalla olivieri | 2068 | NE NR | LF | |||
| 3174 | Laestadia psoromoides | (Borrer) Vouaux (1912) | No | Catapyrenium psoromoides | 303 | CR D NR P Sc S8 | ||||
| 3175 | Laetisaria lichenicola | Diederich, Lawrey & Van den Broeck (2011) | Yes | Laetisaria lichenicola | 2667 | lichenicolous on Physcia spp. | NE NR | LF | Laetisaria lichenicola | |
| 3176 | Laeviomyces fallaciosus | Hafellner & Kalb (1990) | No | Lichenodiplis fallaciosa | 2423 | NE NR | LF | |||
| 3177 | Laeviomyces opegraphae | D. Hawksw. (1981) | No | Lichenodiplis opegraphae | 2076 | LC | LF | |||
| 3178 | Laeviomyces pertusariicola | (Nyl.) D. Hawksw. (1981) | No | Lichenodiplis pertusariicola | 2077 | LC | LF | |||
| 3179 | Lahmia fueistingii | Körb. | No | ? Arthrorhaphis grisea {LF} | LF | |||||
| 3180 | Lahmia plumbina | (Anzi) Keissl. | No | Toninia plumbina | 1907 | NT NR Sc | LF |