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 adjuncta | (Th. Fr.) Arnold | No | Buellia adjuncta | Buellia adjuncta Th. Fr., incorrectly reported from the British Isles | LF | ||||
| 3182 | Karschia adjuncta | sensu Walt. Watson, non (Th. Fr.) Arnold | No | Buellia pulverea | 211 | LC NS | ||||
| 3183 | Karschia advenula | (Leight.) Zopf | No | Rhizocarpon advenulum | 1956 | NE NR Sc | LF | |||
| 3184 | Karschia athallina | (Müll. Arg.) Vouaux (1892) | No | Sclerococcum athallinum | 2042 | NE NR | LF | |||
| 3185 | Karschia bloxamii | (Berk.) Sacc. | No | Dactylospora bloxamii | Dactylospora bloxamii (Berk.) Hafellner | F | ||||
| 3186 | Karschia destructans | Tobler | No | Buellia schaereri | 215 | LC | ||||
| 3187 | Karschia epiphorbia | (Stirt.) Zopf (1896 | No | Arthonia peltigerea | 1935 | Needs conf. if type can be traced | NE NR | LF | ||
| 3188 | Karschia lignyota | (Fr.) Sacc. | No | Rhizodiscina lignyota | Rhizodiscina lignyota (Fr.) Hafellner | F | ||||
| 3189 | Karschia pulverulenta | (Anzi) Körb. (1865) | No | Tetramelas pulverulentus | 1855 | NE NR Sc | ||||
| 3190 | Karschia saxatilis | (Schaer.) Rehm (1890) | No | Sclerococcum saxatile | 2050 | NE NR | LF | |||
| 3191 | Karschia scabrosa | (Ach.) Rehm (1890) | No | Catolechia scabrosa | 510 | LC NS M* | LF | |||
| 3192 | Karschia stygia | (Berk & M.A. Curtis) Massee | No | Dactylospora stygia | Dactylospora stygia (Berk. & M.A. Curtis) Hafellner | F | ||||
| 3193 | Karschia talcophila | (Ach. ex Flot.) Körb. | No | incorrectly reported from the British Isles | LF | |||||
| 3194 | Karschia thalloides | auct. brit. | No | of uncertain application | ||||||
| 3195 | Karschia thallophila | (Ohlert) Rehm | No | Amandinea punctata | 212 | LC | ||||
| 3196 | Karstenia chrysophaea | (Pers.) Coppins, Aptroot & P.F. Cannon (2024) | Yes | Karstenia chrysophaea | Ramonia chrysophaea | 1243 | NT NS P Eng Sc Wa IR | Karstenia chrysophaea | ||
| 3197 | 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 | ||
| 3198 | Karstenia nigra | (Coppins) Coppins, Aptroot & P.F. Cannon (2024) | Yes | Karstenia nigra | Ramonia nigra | 1725 | CR D NR E Eng IR | Karstenia nigra | ||
| 3199 | Karstenia rhopaloides | (Sacc.) Baral (2015) | Yes | Karstenia rhopaloides | Cryptodiscus rhopaloides; Ramonia interjecta; Ramonia aff. luteola | 456 | LC NS | Karstenia rhopaloides | ||
| 3200 | Karsteniomyces peltigerae | (P. Karst.) D. Hawksw. (1980) | No | Scutula miliaris | 2201 | anamorph of Scutula miliaris | NE NR | LF | ||
| 3201 | Kiliasia episema | (Nyl.) Hafellner (1984) | Yes | Kiliasia episema | Catillaria episema; Toninia episema | 1904 | LC | LF | Kiliasia episema | |
| 3202 | Kiliasia scotinodes | (Nyl.) Coppins (1988) | No | Catillaria scotinodes | 770 | LC NS | ||||
| 3203 | Klauderuiella aurantia | (Pers.) S.Y. Kondr. & J.-S. Hur (2017) | No | Variospora aurantia | 239 | LC | ||||
| 3204 | Klauderuiella flavescens | (Huds.) S.Y. Kondr. & J.-S. Hur (2017) | No | Variospora flavescens | 259 | LC | ||||
| 3205 | Klauderuiella thallincola | (Wedd.) S.Y. Kondr. & J.-S. Hur (2017) | No | Variospora thallincola | 282 | LC | ||||
| 3206 | Klauskalbia obscurata | (Nyl.) S. Y. Kondr., L. Lőkös, E. Farkas & J.-S. Hur (2021) | No | Heterodermia obscurata | 560 | NT NS Sc | ||||
| 3207 | Kleopowiella placodioides | (Coppins & P.James) S.Y. Kondr. (2022) | No | Trapelia placodioides | 1595 | LC | ||||
| 3208 | Knufia peltigerae | (Fuckel) Réblová & Unter. (2013) | Yes | Knufia peltigerae | Capronia peltigerae; Herpotrichiella peltigerae | 2723 | lichenicolous on Peltigera | NE NR | LF | Knufia peltigerae |
| 3209 | Koerberiella wimmeriana | (Körb.) Stein (1879) | Yes | Koerberiella wimmeriana | Aspicilia leucophyma Lecanora leucophyma |
117 | LC NS | Koerberiella wimmeriana | ||
| 3210 | 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 |