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 Sort ascending | Authority | Is Current Name? | Current Taxon Name | Synonyms | BLS Number | Comments | Conservation Evaluation | Group | Account & Map |
|---|---|---|---|---|---|---|---|---|---|---|
| 7681 | Calicium diploellum | Nyl. (1868) | Yes | Calicium diploellum | 1649 | CR D NR P Sc IR | Calicium diploellum | |||
| 7682 | Calicium debile | Turner & Borrer | No | Chaenothecopsis debilis | 778 | Ex | F | |||
| 7683 | Calicium curtum var. populinum | Turner & Borrer | No | Phaeocalicium populneum | 19 | LC NR Sc | F | |||
| 7684 | Calicium curtum | Turner & Borrer ex Sm. | No | Calicium abietinum | 222 | DD ? | ||||
| 7685 | Calicium curtum | auct. brit. p.max.p. | No | Calicium glaucellum | 225 | LC | ||||
| 7686 | Calicium curtiusculum | Nyl. | No | Calicium quercinum | 227 | Ex | ||||
| 7687 | Calicium corynellum | (Ach.) Ach. (1803) | Yes | Calicium corynellum | 224 | CR A, B, D NR P Eng Sc | Calicium corynellum | |||
| 7688 | Calicium claviculare | auct. brit. p.p. | No | Calicium glaucellum | 225 | LC | ||||
| 7689 | Calicium claviculare | auct. brit. p.p. | No | Calicium quercinum | 227 | Ex | ||||
| 7690 | Calicium clavellum | auct. brit. | No | Calicium quercinum | 227 | Ex | ||||
| 7691 | Calicium citrinum | (Leight.) Nyl. | No | Microcalicium arenarium | 1951 | LC NR | LF | |||
| 7692 | Calicium chrysocephalum f. melanocephalum | Nyl. | No | Chaenotheca chrysocephala | 343 | LC | ||||
| 7693 | Calicium chrysocephalum f. filare | (Ach.) Cromb. | No | Chaenotheca chrysocephala | 343 | LC | ||||
| 7694 | Calicium chrysocephalum | Ach. (1803) | No | Chaenotheca chrysocephala | 343 | LC | ||||
| 7695 | Calicium chlorellum | auct. brit., non Ach. | No | Chaenotheca hispidula | 345 | LC NS | ||||
| 7696 | Calicium cantherellum | sensu Sm. | No | Sclerophora pallida | 468 | VU C2, D1 NS P Eng Sc | ||||
| 7697 | Calicium byssaceum | Fr. | No | Stenocybe pullatula | 1563 | LC | F | |||
| 7698 | Calicium brunneolum | Ach. | No | Chaenotheca brunneola | 341 | LC | ||||
| 7699 | Calicium arenarium | (Hampe ex A. Massal.) Hampe ex Körb. | No | Microcalicium arenarium | 1951 | LC NR | LF | |||
| 7700 | Calicium amylocaule | Lettau | No | Calicium lenticulare | 229 | LC NS Sc IR | ||||
| 7701 | Calicium aeruginosum subsp. caerulescens | Turner & Borrer | No | Chaenotheca trichialis | 349 | LC | ||||
| 7702 | Calicium aeruginosum | auct. p.p. | No | Chaenotheca stemonea | 348 | LC NS | ||||
| 7703 | Calicium aeruginosum | Turner ex Sm. | No | Chaenotheca trichialis | 349 | LC | ||||
| 7704 | Calicium adspersum | Pers. (1798) | Yes | Calicium adspersum | Calicium roscidum | 223 | CR D NR P Eng Wa | Calicium adspersum | ||
| 7705 | Calicium aciculare | auct. brit., | No | Chaenotheca hispidula | 345 | LC NS | ||||
| 7706 | Calicium abietinum | auct. brit. p.p. | No | Calicium glaucellum | 225 | name or specific epithet valid but has been misused in the past | LC | |||
| 7707 | Calicium abietinum | Pers. (1797) | Yes | Calicium abietinum | 222 | Most records refer to C. glaucellum | DD ? | |||
| 7708 | Calicium abietinum | No | 1980 | BLS number no longer used | Calicium abietinum | |||||
| 7709 | Caeruleum heppii | (Nägeli ex Körb.) K. Knudsen & Arcadia (2012) | Yes | Caeruleum heppii | Acarospora heppii; Myriospora heppii | 13 | LC NS | Caeruleum heppii | ||
| 7710 | Byssus incana | L. | No | Lepraria incana | 820 |