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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3421 | Lecanora erysibe | auct. brit. p.p. | No | Lecania sp. | various Lecania spp., including Lecania erysibe s.str. [blastidiate], Lecania hutchinsiae, Lecania inundata, Lecania rabenhorstii and Lecania turicensis | |||||
| 3422 | Lecanora erysibe var. sincerior | Nyl. | No | Lecanora | Lecanora sp., identity uncertain | |||||
| 3423 | Lecanora erythrella | (Ach.) Ach. | No | Caloplaca flavovirescens | 255 | LC | ||||
| 3424 | Lecanora exigua | auct. brit. p.p. | No | Rinodina oleae | 1289 | LC | ||||
| 3425 | Lecanora exomila | Stirt. (1879) | No | Myriolecis crenulata | 644 | LC | ||||
| 3426 | Lecanora expallens | Ach. (1810) | Yes | Lecanora expallens | 649 | LC | Lecanora expallens | |||
| 3427 | Lecanora expallens subsp. inversa | (Nyl.) Cromb. | No | Lecanora alboflavida | 628 | LC NS | ||||
| 3428 | Lecanora expallens var. lutescens | (DC.) Nyl. | No | Lecanora confusa | 641 | LC | ||||
| 3429 | Lecanora farinaria | auct. p.p. | No | Lecanora conizaeoides f. conizaeoides | 643 | name or specific epithet valid but has been misused in the past | LC | |||
| 3430 | Lecanora farinaria | Borrer (1834) | Yes | Lecanora farinaria | Lecanora impudens sensu P. James (1960) | 650 | LC | Lecanora farinaria | ||
| 3431 | Lecanora farinaria var. conizaeoides | (Nyl. ex Cromb.) A.L. Sm. | No | Lecanora conizaeoides f. conizaeoides | 643 | LC | ||||
| 3432 | Lecanora ferruginea | auct. p.p. (saxicolous) | No | Caloplaca crenularia | 253 | LC | ||||
| 3433 | Lecanora ferruginea | (Huds.) Link (1833) | No | Caloplaca ferruginea s. lat. | 2280 | |||||
| 3434 | Lecanora ferruginea var. concilians | (Nyl.) Cromb. | No | Caloplaca concilians | 248 | DD NR Sc | ||||
| 3435 | Lecanora filamentosa | (Stirt.) Elix & Palice (2010) | No | Palicella filamentosa | 2579 | NE NR | ||||
| 3436 | Lecanora flavida | Th. Fr. | No | Eiglera flavida | 110 | LC NR | ||||
| 3437 | Lecanora flotoviana | auct. non Spreng. | No | Myriolecis semipallida | 610 | LC NS | ||||
| 3438 | Lecanora flotowiana | auct. non Spreng. [orth. var.] | No | Myriolecis semipallida | 610 | LC NS | ||||
| 3439 | Lecanora formosa | (Bagl. & Carestia) Knoph & Leuckert (2000) | Yes | Lecanora formosa | Lecidella bullata auct. | 795 | NT NR Sc | Lecanora formosa | ||
| 3440 | Lecanora frustulosa | (Dicks.) Ach. (1810) | Yes | Lecanora frustulosa | 651 | VU D2 NR Sc | Lecanora frustulosa | |||
| 3441 | Lecanora fugiens | Nyl. (1873) | No | Myriolecis fugiens | 652 | LC | ||||
| 3442 | Lecanora fugiens var. chlorophaeoides | sensu A.L. Sm. | No | Myriolecis fugiens | 652 | LC | ||||
| 3443 | Lecanora fulvomellea | A.L. Sm. | No | Ionaspis lacustris | 573 | LC | ||||
| 3444 | Lecanora fuscata | (Schrad.) Nyl. | No | Acarospora fuscata | 10 | LC | ||||
| 3445 | Lecanora fuscescens | (Sommerf.) Nyl. (1873) [1871-1874] | Yes | Lecanora fuscescens | Lecidea fuscescens | 723 | doubtfully British | Ex | Lecanora fuscescens | |
| 3446 | Lecanora galactina | (Ach.) Ach. | No | Myriolecis albescens | 627 | LC | ||||
| 3447 | Lecanora galactina subsp. dispersa | (Pers.) Nyl. ex Cromb. | No | Myriolecis dispersa | 646 | LC | ||||
| 3448 | Lecanora galactina subsp. dissipata | Nyl. | No | Myriolecis dispersa | 646 | LC | ||||
| 3449 | Lecanora galactina var. dispersoareolata | (Schaer.) Mudd | No | Lecanora dispersoareolata | incorrectly recorded from the British Isles | |||||
| 3450 | Lecanora galactina var. dispersoareolata | sensu Mudd | No | Protoparmeliopsis muralis | 661 | LC |