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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1891 | Cladonia cyathomorpha | Stirt. ex Walt. Watson (1935) | Yes | Cladonia cyathomorpha | 381 | LC NS | Cladonia cyathomorpha | |||
| 1892 | Cladonia deformis | auct. brit. p.max.p. | No | Cladonia sulphurina | 423 | name or specific epithet valid but has been misused in the past | LC | |||
| 1893 | Cladonia deformis | (L.) Hoffm. (1796) | Yes | Cladonia deformis | 382 | DD NR | Cladonia deformis | |||
| 1894 | Cladonia degenerans | (Flörke) Spreng. | No | Cladonia phyllophora | 405 | NT NS Sc | ||||
| 1895 | Cladonia degenerans var. anomaea | (Ach.) Cromb. | No | Cladonia ramulosa | 359 | LC | ||||
| 1896 | Cladonia delessertii | Vain. | No | Cladonia subfurcata | Cladonia subfurcata (Nyl.) Arnold, incorrectly reported from the British Isles | |||||
| 1897 | Cladonia delicata | (Ehrh. ex Ach.) Florke | No | Cladonia parasitica | 404 | LC | ||||
| 1898 | Cladonia destricta | auct. | No | Cladonia zopfii | 427 | LC NS | ||||
| 1899 | Cladonia digitata | (L.) Baumg. (1790) | Yes | Cladonia digitata | 383 | LC | Cladonia digitata | |||
| 1900 | Cladonia digitata var. macilenta | (Hoffm.) Leight. | No | Cladonia macilenta | 396 | LC | ||||
| 1901 | Cladonia diversa | Asperges ex S. Stenroos (2012) | Yes | Cladonia diversa | 1749 | LC | Cladonia diversa | |||
| 1902 | Cladonia ecmocyna | auct. brit. | No | Cladonia maxima | 398 | VU D2 NR Sc | ||||
| 1903 | Cladonia elongata | auct. brit. | No | Cladonia maxima | 398 | VU D2 NR Sc | ||||
| 1904 | Cladonia endiviifolia | (Dicks.) Fr. (1831) | No | Cladonia convoluta | 377 | VU B NR P Eng S8 | ||||
| 1905 | Cladonia endiviifolia var. alcicornis | (Lightf.) Mudd (1861) | No | Cladonia foliacea | 387 | LC | ||||
| 1906 | Cladonia endiviæfolia | (Dicks.) Fr. (1831) [orth. var.] | No | Cladonia convoluta | 377 | orth. var. | VU B NR P Eng S8 | |||
| 1907 | Cladonia endiviæfolia var. alcicornis | (Lightf.) Mudd (1861) [orth. var.] | No | Cladonia foliacea | 387 | LC | ||||
| 1908 | Cladonia fimbriata | (L.) Fr. (1831) | Yes | Cladonia fimbriata | 384 | LC | Cladonia fimbriata | |||
| 1909 | Cladonia fimbriata f. nemoxyna | auct. brit. p.max.p. | No | Cladonia fimbriata | 384 | LC | ||||
| 1910 | Cladonia fimbriata var. chondroidea | sensu Duncan (1958) | No | Cladonia humilis | 376 | LC | ||||
| 1911 | Cladonia fimbriata var. radiata | (Schreb.) Cromb. | No | Cladonia subulata | 422 | LC | ||||
| 1912 | Cladonia fimbriata var. subcornuta | Nyl. ex Cromb. | No | Cladonia subulata | 422 | LC | ||||
| 1913 | Cladonia fimbriata var. subulata | (L.) Vain. | No | Cladonia subulata | 422 | LC | ||||
| 1914 | Cladonia firma | (Nyl.) Nyl. (1861) | Yes | Cladonia firma | Cladonia nylanderi | 385 | LC NS | Cladonia firma | ||
| 1915 | Cladonia flabelliformis | auct. | No | Cladonia polydactyla | 408 | LC | ||||
| 1916 | Cladonia floerkeana | (Fr.) Flörke (1828) | Yes | Cladonia floerkeana | Cladonia macilenta subsp. floerkeana | 386 | LC | Cladonia floerkeana | ||
| 1917 | Cladonia floerkeana var. carcata | (Ach.) Vain. (1887) | No | Cladonia floerkeana | 386 | LC | ||||
| 1918 | Cladonia foliacea | (Huds.) Willd. (1787) | Yes | Cladonia foliacea | 387 | LC | Cladonia foliacea | |||
| 1919 | Cladonia foliacea var. endiviifolia | (Dicks.) Schaer. | No | Cladonia convoluta | 377 | VU B NR P Eng S8 | ||||
| 1920 | Cladonia foliacea var. firma | (Nyl.) Vain. | No | Cladonia firma | 385 | LC NS |