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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3211 | Kuettlingeria teicholyta | (Ach.) Trevis. (1857) | Yes | Kuettlingeria teicholyta | Caloplaca erythrocarpa; Caloplaca teicholyta | 281 | LC | Kuettlingeria teicholyta | ||
| 3212 | Kurokawia runcinata | (With.) S. Y. Kondr., L. Lőkös et J.-S. Hur (2021) | No | Anaptychia runcinata | 47 | LC | ||||
| 3213 | Laestadia olivieri | Vouaux (1912) | No | Telogalla olivieri | 2068 | NE NR | LF | |||
| 3214 | Laestadia psoromoides | (Borrer) Vouaux (1912) | No | Catapyrenium psoromoides | 303 | CR D NR P Sc S8 | ||||
| 3215 | Laetisaria lichenicola | Diederich, Lawrey & Van den Broeck (2011) | Yes | Laetisaria lichenicola | 2667 | lichenicolous on Physcia spp. | NE NR | LF | Laetisaria lichenicola | |
| 3216 | Laeviomyces fallaciosus | Hafellner & Kalb (1990) | No | Lichenodiplis fallaciosa | incorrectly reported from GB&I | LF | ||||
| 3217 | Laeviomyces opegraphae | D. Hawksw. (1981) | No | Lichenodiplis opegraphae | 2076 | LC | LF | |||
| 3218 | Laeviomyces pertusariicola | (Nyl.) D. Hawksw. (1981) | No | Lichenodiplis pertusariicola | 2077 | LC | LF | |||
| 3219 | Lahmia fueistingii | Körb. | No | ? Arthrorhaphis grisea {LF} | LF | |||||
| 3220 | Lahmia plumbina | (Anzi) Keissl. | No | Toninia plumbina | 1907 | NT NR Sc | LF | |||
| 3221 | Lambiella furvella | (Nyl. ex Mudd) M. Westb. & Resl (2015) | Yes | Lambiella furvella | Lecidea furvella; Rimularia furvella | 722 | LC | Lambiella furvella | ||
| 3222 | Lambiella fuscosora | (Muhr & Tønsberg) M. Westb. & Resl (2015) | Yes | Lambiella fuscosora | Rimularia fuscosora | 1894 | DD NR Sc | Lambiella fuscosora | ||
| 3223 | Lambiella globulosa | (Coppins) M. Westb. & Resl (2015) | Yes | Lambiella globulosa | Rimularia globulosa | 1992 | NT NR Sc | Lambiella globulosa | ||
| 3224 | Lambiella gyrizans | (Nyl.) M. Westb. & Resl (2015) | Yes | Lambiella gyrizans | Lecidea fuscocinerea auct.; Lecidea gyrizans; Rimularia gyrizans | 725 | LC NS | Lambiella gyrizans | ||
| 3225 | Lambiella insularis | (Nyl.) T. Sprib. (2014) | Yes | Lambiella insularis | Lecidea insularis; Rimularia insularis | 736 | lichenicolous lichen on Lecanora rupicola | LC NS | Lambiella insularis | |
| 3226 | Lambiella mullensis | (Stirt.) Fryday & Coppins (2021) | Yes | Lambiella mullensis | Lecidea mullensis; Rimularia mullensis | 752 | LC NS E IR | Lambiella mullensis | ||
| 3227 | Lambiella sphacelata | (Th. Fr.) M. Westb. & Resl (2015) | Yes | Lambiella sphacelata | Rimularia sphacelata | 1895 | CR D NR Sc | Lambiella sphacelata | ||
| 3228 | Lasallia pustulata | (L.) Mérat (1821) | Yes | Lasallia pustulata | Umbilicaria pustulata | 591 | LC | Lasallia pustulata | ||
| 3229 | Lasionectria lecanodes | (Ces.) Petch (1938) | No | Nectriopsis lecanodes | 2124 | LC | ||||
| 3230 | Lasiosphaeriopsis salisburyi | D. Hawksw. & Sivan. (1980) | Yes | Lasiosphaeriopsis salisburyi | 2078 | lichenicolous on Peltigera rufescens | NE NR | LF | Lasiosphaeriopsis salisburyi | |
| 3231 | Lasiosphaeriopsis stereocaulicola | (Th. Fr. ex Linds.) O.E. Erikss. & R. Sant. (1986) | Yes | Lasiosphaeriopsis stereocaulicola | 2628 | lichenicolous on Stereocaulon spp. | NE NR | LF | Lasiosphaeriopsis stereocaulicola | |
| 3232 | Lasiosphaeriopsis supersparsa | (Arnold) Triebel (1989) | Yes | Lasiosphaeriopsis supersparsa | 2079 | lichenicolous on Porpidia macrocarpa | NE NR | LF | Lasiosphaeriopsis supersparsa | |
| 3233 | Lathagrium auriforme | (With.) Otálora, P.M. Jørg. & Wedin (2013) | Yes | Lathagrium auriforme | Collema auriculatum; Collema auriforme | 433 | LC | Lathagrium auriforme | ||
| 3234 | Lathagrium cristatum | (L.) Otálora, P.M. Jørg. & Wedin (2013) | Yes | Lathagrium cristatum | Collema cristatum | 442 | LC | Lathagrium cristatum | ||
| 3235 | Lathagrium cristatum var. marginale | sensu auct. | Yes | Lathagrium cristatum var. marginale | Collema cristatum var. marginale | 443 | currently not formally recognized, but informally retained here pending further studies | LC ?NS | Lathagrium cristatum var. marginale | |
| 3236 | Lathagrium dichotomum | (With.) Otálora, P.M. Jørg. & Wedin (2013) | Yes | Lathagrium dichotomum | Collema dichotomum; Collema fluviatile | 446 | River Jelly Lichen (RJL) | VU B NS P Eng Sc Wa S8 | Lathagrium dichotomum | |
| 3237 | Lathagrium flaccidum | (Ach.) Gray | No | Collema flaccidum | 445 | LC | ||||
| 3238 | Lathagrium furvum | (Ach.) Gray (1821) | No | Lathagrium fuscovirens | 463 | LC | ||||
| 3239 | Lathagrium fuscovirens | (With.) Otálora, P.M. Jørg. & Wedin (2013) | Yes | Lathagrium fuscovirens | Collema fuscovirens; Collema tuniforme | 463 | LC | Lathagrium fuscovirens | ||
| 3240 | Lathagrium latzelii | (Zahlbr.) Otálora, P.M. Jørg. & Wedin (2013) | Yes | Lathagrium latzelii | Collema latzelii | 1589 | VU D2 NR P Eng | Lathagrium latzelii |