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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2401 | Dactylospora tegularum | (Arnold) Hafellner (1979) | No | Sclerococcum tegularum | 2475 | NE NR | LF | |||
| 2402 | Dactylospora urceolata | (Th. Fr.) Arnold (1874) | No | Sclerococcum urceolatum | 2051 | NE NR | LF | |||
| 2403 | Degelia atlantica | (Degel.) P.M. Jørg. & P. James (1990) | No | Pectenia atlantica | 1027 | LC L IR | ||||
| 2404 | Degelia cyanoloma | (Schaer.) H.H. Blom & L. Lindblom (2010) | No | Pectenia cyanoloma | 2540 | LC ?NS IR | ||||
| 2405 | Degelia ligulata | P.M. Jørg. & P. James (1990) | No | Pectenia ligulata | 1597 | VU D2 NR Sc L IR | ||||
| 2406 | Degelia plumbea | auct. p.p. | No | Pectenia cyanoloma | 2540 | name or specific epithet valid but has been misused in the past | LC ?NS IR | |||
| 2407 | Degelia plumbea s. lat. | s. lat. | No | Pectenia plumbea s. lat. | 1029 | LC L IR | ||||
| 2408 | Degelia plumbea s. str. | (Lightf.) P.M. Jørg. & P. James s. str. (1990) | No | Pectenia plumbea s. str. | 2541 | LC L IR | ||||
| 2409 | Delphinella cookei | (Linds.) E. Müll. (1962) | No | Muellerella lichenicola | 2116 | LC | LF | |||
| 2410 | Dendriscocaulon bolacinum | (Ach.) Nyl. (1885) | No | Ricasolia amplissima | 855 | Ricasolia amplissima (blue-green phycotype) | LC Sc L IR | |||
| 2411 | Dendriscocaulon umhausense | (Auersw.) Degel. (1941) | No | Ricasolia amplissima | 855 | Ricasolia amplissima (blue-green phycotype) | LC Sc L IR | |||
| 2412 | Dendriscocaulon umhausense | No | 478 | BLS number no longer used | ||||||
| 2413 | Dendrographa decolorans | (Turner & Borrer ex Sm.) Ertz & Tehler (2011) | Yes | Dendrographa decolorans | Schismatomma decolorans | 1315 | LC | Dendrographa decolorans | ||
| 2414 | Dendrographa latebrarum | (Ach.) Ertz & Tehler | Yes | Dendrographa latebrarum | Lecanactis latebrarum | 1587 | LC NS Sc | Dendrographa latebrarum | ||
| 2415 | Dendrophoma alcicornaria | (Linds.) Vouaux | No | Lichenosticta alcicornaria | 2101 | NE NR | LF | |||
| 2416 | Dermatina hippocastani | (DC.) Oxner (1956) | No | Cyrtidula hippocastani | 911 | LC NS | F | |||
| 2417 | Dermatina quercus | (A. Massal.) Zahlbr. | No | Cyrtidula quercus | 912 | LC | F | |||
| 2418 | Dermatina quercus var. ilicis | Riedl | No | name of uncertain application (type lost) | ||||||
| 2419 | Dermatina swinscowii | Riedl | No | Arthothelium lirellans | 1569 | LC NS Sc IR | F | |||
| 2420 | Dermatocapon leptophyllum | No | 482 | BLS number no longer used | ||||||
| 2421 | Dermatocarpella squamulosa | (Ach.) H. Harada | No | Placidium squamulosum | 1608 | LC | ||||
| 2422 | Dermatocarpon aquaticum | (Weiss) Zahlbr. | No | Dermatocarpon luridum | 487 | LC | ||||
| 2423 | Dermatocarpon arnoldianum | Degel. | No | incorrectly reported from the British Isles | ||||||
| 2424 | Dermatocarpon cinereum | (Pers.) Th. Fr. | No | Catapyrenium cinereum | 300 | LC NS | ||||
| 2425 | Dermatocarpon deminuens | Vain. (1921) | Yes | Dermatocarpon deminuens | 524 | DD NR | Dermatocarpon deminuens | |||
| 2426 | Dermatocarpon fluviatile | (Weber) Th. Fr. | No | Dermatocarpon luridum | 487 | LC | ||||
| 2427 | Dermatocarpon hepaticum | auct. brit. p.p. | No | Placidium lachneum | 301 | LC NS | ||||
| 2428 | Dermatocarpon hepaticum | auct. brit. p.p. | No | Placidium squamulosum | 1608 | LC | ||||
| 2429 | Dermatocarpon insulare | (A. Massal.) Mig. | No | Heteroplacidium fusculum | Not used in this sense by British authors | |||||
| 2430 | Dermatocarpon insulare | auct. brit. | No | Verrucula latericola | 1620 | DD NR |