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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2101 | Collema flaccidum | (Ach.) Ach. (1810) | Yes | Collema flaccidum | 445 | LC | Collema flaccidum | |||
| 2102 | Collema flaccidum var. microlobum | Nyl. ex Leight. (1871) | No | Lathagrium fuscovirens | 463 | LC | ||||
| 2103 | Collema fluviatile | (Huds.) Steud. (1810) | No | Lathagrium dichotomum | 446 | VU B NS P Eng Sc Wa S8 | ||||
| 2104 | Collema fragile | Taylor (1836) | No | Scytinium fragile | 447 | VU B NS P Eng Sc Wa | ||||
| 2105 | Collema fragrans | (Sm.) Ach. (1814) | No | Scytinium fragrans | 448 | EN A, C NR P Sc Wa IR | ||||
| 2106 | Collema furfuraceum | (Arnold) Du Rietz (1929) | Yes | Collema furfuraceum | 449 | LC L | Collema furfuraceum | |||
| 2107 | Collema furvum | auct. | No | Lathagrium fuscovirens | 463 | LC | ||||
| 2108 | Collema fuscovirens | (With.) J.R. Laundon (1984) | No | Lathagrium fuscovirens | 463 | LC | ||||
| 2109 | Collema glaucescens | Hoffm. (1796) | No | Enchylium limosum | 451 | LC NS Sc | ||||
| 2110 | Collema glebulentum | (Nyl. ex Cromb.) Degel. (1952) | Yes | Collema glebulentum | 450 | LC NS | Collema glebulentum | |||
| 2111 | Collema granosum | (Schreb.) Rabenh. (1845), non DC. (1805) | No | Lathagrium auriforme | 433 | LC | ||||
| 2112 | Collema granosum var. auriculatum | (Hoffm.) Schaer. (1850) | No | Lathagrium auriforme | 433 | LC | ||||
| 2113 | Collema granulatum | sensu Hook. | No | Lathagrium fuscovirens | 463 | LC | ||||
| 2114 | Collema granuliferum | Nyl. (1875) | No | Lathagrium cristatum | 442 | LC | ||||
| 2115 | Collema granuliferum f. meizolobum | (Nyl. ex Cromb.) Nyl. ex Leight. (1879) | No | Lathagrium fuscovirens | 463 | LC | ||||
| 2116 | Collema granuliferum f. minus | Cromb. ex Leight. (1879) | No | Lathagrium cristatum | 442 | as f. minor | LC | |||
| 2117 | Collema hypergenum | Nyl. (1876) | No | Lathagrium cristatum | 442 | LC | ||||
| 2118 | Collema isidioides | Nyl. | No | Lempholemma isidioides | incorrectly reported from the British Isles | |||||
| 2119 | Collema lacerum | DC. (1805), nom. illeg. | No | Scytinium lichenoides | 839 | synonymy uncertain owing to confusion with Scytinium pulvinatum | LC | |||
| 2120 | Collema lacerum var. pulvinatum | (Hoffm.) Ach. (1810) | No | Scytinium pulvinatum | 2530 | LC | ||||
| 2121 | Collema latzelii | Zahlbr. (1909) | No | Lathagrium latzelii | 1589 | VU D2 NR P Eng | ||||
| 2122 | Collema laureri | sensu Leight. (1879) | No | Lathagrium undulatum var. undulatum | 464 | DD NR | ||||
| 2123 | Collema lichenodeum | Nyl. in Carroll (1865), nom. nudum | No | Lempholemma radiatum | 818 | NT NR Sc | ||||
| 2124 | Collema lichinodeum | Nyl. in Cromb. (1870), nom. nudum | No | Lempholemma radiatum | 818 | NT NR Sc | ||||
| 2125 | Collema limosum | (Ach.) Ach. (1810) | No | Enchylium limosum | 451 | LC NS Sc | ||||
| 2126 | Collema melaenum | auct. | No | Lathagrium cristatum | 442 | LC | ||||
| 2127 | Collema melaenum | (Ach.) Ach. (1810) | No | Collema cristatum var. marginale | 443 | LC ?NS | ||||
| 2128 | Collema melaenum f. jacobaeifolium | (Schrank) Cromb. (1894) | No | Lathagrium cristatum var. marginale | 443 | LC ?NS | ||||
| 2129 | Collema melaenum f. marginale | (Huds.) Leight. (1879) | No | Lathagrium cristatum var. marginale | 443 | LC ?NS | ||||
| 2130 | Collema melaenum var. complicatum | (Schaer.) Leight. (1871) | No | Lathagrium cristatum var. marginale | 443 | LC ?NS |