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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2701 | Fellhaneropsis vezdae | (Coppins & P. James) Sérus. & Coppins (1996) | Yes | Fellhaneropsis vezdae | Bacidia vezdae Lopidia bacidioides ad int. |
171 | LC | Fellhaneropsis vezdae | ||
| 2702 | Feltgeniomyces luxemburgensis | Diederich (1990) | Yes | Feltgeniomyces luxemburgensis | 2770 | lichenicolous on Lecidella elaeochroma. So far only from Ireland | LF | Feltgeniomyces luxemburgensis | ||
| 2703 | Fissurina alboscripta | (Coppins & P. James) Staiger (2002) | Yes | Fissurina alboscripta | Graphis alboscripta | 1702 | NT NR E P Sc IR | Fissurina alboscripta | ||
| 2704 | Flavocetraria nivalis | (L.) Kärnefelt & A. Thell (1994) | Yes | Flavocetraria nivalis | Cetraria nivalis; Nephromopsis nivalis | 336 | NT NS Sc | Flavocetraria nivalis | ||
| 2705 | Flavonora inversa | (Nyl.) Mazur, Malíček & Śliwa (2025) | Yes | Flavonora inversa | Lecanora alboflavida auct.; Lecanora inversa; Ochrolechia inversa | 628 | LC NS | |||
| 2706 | Flavoparmelia caperata | (L.) Hale (1986) | Yes | Flavoparmelia caperata | Parmelia caperata | 987 | LC | Flavoparmelia caperata | ||
| 2707 | Flavoparmelia soredians | (Nyl.) Hale (1986) | Yes | Flavoparmelia soredians | Parmelia soredians | 1018 | LC Sc | Flavoparmelia soredians | ||
| 2708 | Flavoplaca arcis | (Poelt & Vězda) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca arcis | Caloplaca arcis; Caloplaca citrina auct. p.p. | 2442 | LC | Flavoplaca arcis | ||
| 2709 | Flavoplaca austrocitrina | (Vondrak, Řiha, Arup & Søchting) Arup, Søchting & Frödén (2013) | Yes | Flacoplaca austrocitrina | Caloplaca austrocitrina; Caloplaca citrina auct. p.p. | 2613 | LC | Flavoplaca austrocitrina | ||
| 2710 | Flavoplaca calcitrapa | (Nav.-Ros., Gaya & Cl. Roux) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca calcitrapa | Caloplaca calcitrapa; Caloplaca itiana sensu Orange (2018) | 2609 | NE NR | Flavoplaca calcitrapa | ||
| 2711 | Flavoplaca citrina s. lat. | Yes | Flavoplaca citrina s. lat. | Caloplaca citrina s. lat. | 247 | LC | Flavoplaca citrina s. lat. | |||
| 2712 | Flavoplaca citrina s. str. | (Hoffm.) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca citrina s. str. | Caloplaca citrina s. str. | 2351 | LC | Flavoplaca citrina s. str. | ||
| 2713 | Flavoplaca dichroa | (Arup) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca dichroa | Caloplaca coronata auct. brit.; Caloplaca dichroa | 2443 | LC NS Sc | Flavoplaca dichroa | ||
| 2714 | Flavoplaca flavocitrina | (Nyl.) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca flavocitrina | Caloplaca citrina auct. p.p.; Caloplaca citrina var. flavocitrina; Caloplaca flavocitrina | 2315 | LC | Flavoplaca flavocitrina | ||
| 2715 | Flavoplaca granulosa | (Müll. Arg.) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca granulosa | Caloplaca granulosa | 257 | NT NR | Flavoplaca granulosa | ||
| 2716 | Flavoplaca itiana | (Cl. Roux, M. Boulanger & Malle) Arup & Søchting (2024) | Yes | Flavoplaca itiana | Caloplaca dalmatica auct. brit.; Caloplaca schaereri auct. brit.; Caloplaca velana auct. brit. | 285 | LC | Flavoplaca itiana | ||
| 2717 | Flavoplaca limonia | (Nimis & Poelt) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca limonia | Caloplaca citrina auct. p.p.; Caloplaca limonia | 2607 | LC | Flavoplaca limonia | ||
| 2718 | Flavoplaca marina | (Wedd.) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca marina | Caloplaca marina; Caloplaca marina var. flavogranulata | 267 | LC | Flavoplaca marina | ||
| 2719 | Flavoplaca maritima | (B. de Lesd.) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca maritima | Caloplaca maritima | 280 | LC NS | Flavoplaca maritima | ||
| 2720 | Flavoplaca microthallina | (Wedd.) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca microthallina | Caloplaca microthallina | 268 | LC | Flavoplaca microthallina | ||
| 2721 | Flavoplaca oasis | (A. Massal.) Arup, Frödén & Søchting (2013) | Yes | Flavoplaca oasis | Caloplaca holocarpa auct. p.p.; Caloplaca lithophila auct. brit.; Caloplaca oasis; Caloplaca polycarpa auct. brit. | 2461 | LC | Flavoplaca oasis | ||
| 2722 | Flavoplaca ruderum | (Malbr.) Arup & Søchting (2024) | Yes | Flavoplaca ruderum | Caloplaca ruderum | 275 | LC | Flavoplaca ruderum | ||
| 2723 | Flavoplaca sol | (Orange) Arup & Søchting (2024) | Yes | Flavoplaca sol | Caloplaca sol | 2707 | NE NR | Flavoplaca sol | ||
| 2724 | Foraminella ambigua | (Wulfen) S.L.F. Mey. | No | Parmeliopsis ambigua | 1034 | LC | ||||
| 2725 | Foraminella hyperopta | (Ach.) S.L.F. Mey. | No | Parmeliopsis hyperopta | 1035 | LC | ||||
| 2726 | Forssellia concordatula | (Nyl.) M. Schultz & M. Prieto (2024) | Yes | Forssellia concordatula | Pterygiopsis concordatula; Pterygiopsis coracodiza | 1796 | NT NS | Forssellia concordatula | ||
| 2727 | Francisrosea bicolor | Ertz & Sanderson (2021) | Yes | Francisrosea bicolor | 2788 | NE NR | Francisrosea bicolor | |||
| 2728 | Frigidopyrenia bryospila | (Nyl.) Grube (2005) | Yes | Frigidopyrenia bryospila | Pyrenocollema bryospilum Arthopyrenia bryospila |
78 | DD NR | Frigidopyrenia bryospila | ||
| 2729 | Frutidella caesioatra | (Schaer.) Kalb (1994) | Yes | Frutidella caesioatra | Lecidea caesioatra | 705 | LC NS | Frutidella caesioatra | ||
| 2730 | Frutidella furfuracea | (Anzi) M. Westb. & M. Svensson (2017) | Yes | Frutidella furfuracea | Frutidella pullata; Lecidea pullata | 2488 | DD NR | Frutidella furfuracea |