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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3181 | Karschia pulverulenta | (Anzi) Körb. (1865) | No | Tetramelas pulverulentus | 1855 | NE NR Sc | ||||
| 3182 | Karschia saxatilis | (Schaer.) Rehm (1890) | No | Sclerococcum saxatile | 2050 | NE NR | LF | |||
| 3183 | Karschia scabrosa | (Ach.) Rehm (1890) | No | Catolechia scabrosa | 510 | LC NS M* | LF | |||
| 3184 | Karschia stygia | (Berk & M.A. Curtis) Massee | No | Dactylospora stygia | Dactylospora stygia (Berk. & M.A. Curtis) Hafellner | F | ||||
| 3185 | Karschia talcophila | (Ach. ex Flot.) Körb. | No | incorrectly reported from the British Isles | LF | |||||
| 3186 | Karschia thalloides | auct. brit. | No | of uncertain application | ||||||
| 3187 | Karschia thallophila | (Ohlert) Rehm | No | Amandinea punctata | 212 | LC | ||||
| 3188 | Karstenia chrysophaea | (Pers.) Coppins, Aptroot & P.F. Cannon (2024) | Yes | Karstenia chrysophaea | Ramonia chrysophaea | 1243 | NT NS P Eng Sc Wa IR | Karstenia chrysophaea | ||
| 3189 | 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 | ||
| 3190 | Karstenia nigra | (Coppins) Coppins, Aptroot & P.F. Cannon (2024) | Yes | Karstenia nigra | Ramonia nigra | 1725 | CR D NR E Eng IR | Karstenia nigra | ||
| 3191 | Karstenia rhopaloides | (Sacc.) Baral (2015) | Yes | Karstenia rhopaloides | Cryptodiscus rhopaloides; Ramonia interjecta; Ramonia aff. luteola | 456 | LC NS | Karstenia rhopaloides | ||
| 3192 | Karsteniomyces peltigerae | (P. Karst.) D. Hawksw. (1980) | No | Scutula miliaris | 2201 | anamorph of Scutula miliaris | NE NR | LF | ||
| 3193 | Kiliasia episema | (Nyl.) Hafellner (1984) | Yes | Kiliasia episema | Catillaria episema; Toninia episema | 1904 | LC | LF | Kiliasia episema | |
| 3194 | Kiliasia scotinodes | (Nyl.) Coppins (1988) | No | Catillaria scotinodes | 770 | LC NS | ||||
| 3195 | Klauderuiella aurantia | (Pers.) S.Y. Kondr. & J.-S. Hur (2017) | No | Variospora aurantia | 239 | LC | ||||
| 3196 | Klauderuiella flavescens | (Huds.) S.Y. Kondr. & J.-S. Hur (2017) | No | Variospora flavescens | 259 | LC | ||||
| 3197 | Klauderuiella thallincola | (Wedd.) S.Y. Kondr. & J.-S. Hur (2017) | No | Variospora thallincola | 282 | LC | ||||
| 3198 | Klauskalbia obscurata | (Nyl.) S. Y. Kondr., L. Lőkös, E. Farkas & J.-S. Hur (2021) | No | Heterodermia obscurata | 560 | NT NS Sc | ||||
| 3199 | Kleopowiella placodioides | (Coppins & P.James) S.Y. Kondr. (2022) | No | Trapelia placodioides | 1595 | LC | ||||
| 3200 | Knufia peltigerae | (Fuckel) Réblová & Unter. (2013) | Yes | Knufia peltigerae | Capronia peltigerae; Herpotrichiella peltigerae | 2723 | lichenicolous on Peltigera | NE NR | LF | Knufia peltigerae |
| 3201 | Koerberiella wimmeriana | (Körb.) Stein (1879) | Yes | Koerberiella wimmeriana | Aspicilia leucophyma Lecanora leucophyma |
117 | LC NS | Koerberiella wimmeriana | ||
| 3202 | 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 | Kuettlingeria albolutescens | ||
| 3203 | Kuettlingeria atroflava | (Turner) I.V. Frolov, Vondrák & Arup (2020) | Yes | Kuettlingeria atroflava | Caloplaca atroflava; Pyrenodesmia atroflava | 237 | CR D NR P Wa | Kuettlingeria atroflava | ||
| 3204 | Kuettlingeria ceracea | (J.R. Laundon) P.F. Cannon & Coppins (2024) | Yes | Kuettlingeria ceracea | Caloplaca caesiorufa auct.; Caloplaca ceracea | 1644 | LC | Kuettlingeria ceracea | ||
| 3205 | Kuettlingeria neotaurica | (Vondrák, Khodos., Arup & Søchting) I.V. Frolov, Vondrák & Arup (2020) | Yes | Kuettlingeria neotaurica | Caloplaca neotaurica; Pyrenodesmia neotaurica | 2595 | NE | Kuettlingeria neotaurica | ||
| 3206 | 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 | Kuettlingeria soralifera | |
| 3207 | Kuettlingeria teicholyta | (Ach.) Trevis. (1857) | Yes | Kuettlingeria teicholyta | Caloplaca erythrocarpa; Caloplaca teicholyta | 281 | LC | Kuettlingeria teicholyta | ||
| 3208 | Kurokawia runcinata | (With.) S. Y. Kondr., L. Lőkös et J.-S. Hur (2021) | No | Anaptychia runcinata | 47 | LC | ||||
| 3209 | Laestadia olivieri | Vouaux (1912) | No | Telogalla olivieri | 2068 | NE NR | LF | |||
| 3210 | Laestadia psoromoides | (Borrer) Vouaux (1912) | No | Catapyrenium psoromoides | 303 | CR D NR P Sc S8 |